贵州重楼属植物—药用新种

黔重楼新种图1Paris guizhouensis S. Z. He, sp. nov.Species P. axialis H. Li affinis sed petalis supra in angusta spathu-lifolia amplificatis; connectivis ultra apices 3--4mm longis productis;stigmatibus 3--4 mm longis, erectia non reflexa differt.Herba erecta. Rhizoma cylindricum, brunneum, 6.5--8.5 cm longum,1.5--2cm crassum densenodosum. Caulis 18--26cm altus brunneolus glaber.     

福建竹类二新种

<正> 福建酸竹 别名:甜竹 新种 图1Acidosasa fujianensis C. S. Chao et H. Y. Zou sp. nov.Species A. chinensi C. D. Chu et C. S. Chao affinis sed culmorum vaginarumauriculis et setis oralibus evolutis, pedicellis brevioribus, 2-13mm. longis, glumis 2,rhachillis puberulis, lemmatibus paleisque albo-pubescentibus differt.     

Allium alabasicum——A New Species of Allium

Allium alabasicum (D.S.Wen et Sh.Chen)Y.Z.Zhao,sp.nov.fig.1.——A.polyrhizum Turcz.ex Regelvar.alabasicum D.S.Wen et Sh.Chen,in sched.Species affinis A.mongolico Regel,sed planta pumila,circ.10cm alta;foliis filiformibus,perspicuelongioribus quam scapis;umbella laxa,pauciflora,saepe 4～5 flora;tepalis 3～3.5mm longis;filamentislongitudine tepala fere aequanribus;filamentis internis basi circ.1/4 dilatatis trianguli-ovatis;ovariis basinectariis operculatis concavis differt.Bulbus multus,spisse cespitosus,teres,tunicis exterioribus fuscis,in fibras dehiscentibus.Foliasemitertia vel teretia,filiformia,6～10cm longa,circ.0.3mm crasa,perspicue longiora quam scapi.     

四川美登木属一新种

金阳美登木 新种 照片Maytenus Jinyangensis C.Y.Chang sp.nov.Species affinis M.berberoidei(W.W.Smith)S.J.Pei et Y.H.Li,sedramulis nervis pedunculisque glabris,ramis elonqatis et abbreviatis,foliis ramorumelongatorum alternis et ramorum abbreviatorum fasciculatis,1—2 cm longis et 0.6—1.5 cm latis differt.     

白蜡树属一新种 对节白蜡

<正>对节白蜡 对节树(湖北钟祥县)新种 图版Ⅰ Fraxinus hubeiensis Qu, Shang et Su,sp. nov. Seet.Fraxinaster DC. Subsect. Seiadanthus Coss. et Dur. Species proxima F. xanthoxyloidi (Don) DC., sed differt arboribus, ramulis vegetativis spiniformibus, foliolis serratis acutioribus,filamentis longioribus. 5.5-6mm.longis;fruetibus majoribus ad 5cm. longis, apice acutis.     

Two New Varieties of Stipa (Gramineae) from Nei Mongol

1 Stipa glareosa P.Smirn.var.langshanica Y.Z.Zhao,var.nov.(Fig.1)Species S.glareoeae P.Smirn.affinis,sed aristis inferne tortilibus 3～5mm longis;lemmatis 5～7mmlongis,glabris vel minute pilosis.Herba perennis,dense caespitosa,10～20cm alta.Vaginae pubescentes,margine pilosae;ligulae ad1mm longae,margine dense villosae;laminae 0.3～0.8mm in diam.,extus (subtus) et intus (supra)pubescentes;folia caulina 2～3cm longa,radicalia 4～9cm longa.Paniculae comnactae,in vaginis termi-nalibus;glumae 18～23mm lonsae,3 nerviae,apice longissime acutatae;lemmata 5～7mm longa,glabravel margine et dorso infera medium secus costam pilosa,apice glabra vel minute pilosa,callo circ.1mm lon-go dense pilosis;aristae 3～4.5cm lonsae,unigeniculatae,segmento infimo torto,3～5mm longo,pilis ad     

中国西北部繁缕属一新种

贺兰山繁缕新种图1 Stellaria alaschanica Y.Z.Zhao sp.nov. Species S. longifoliae Muehl. afflnis, sed plantis pumilis, 5—15 cm altis; caulibus tenellis, flexilibus, densis, caespitosis; caulibus et marginibus foliorum pilosis retrorsum; petalis sepalis tertia parte brevioribus. Herba perennis, 5—15 cm alta. Caules tenelli, flexiles, ramosissimi, dense caespitosi,     

附贴空间的度量化

设X与Y是互不相交的拓扑空间,A是X的闭集,f:A→Y是连续映射(以下简称映射),以W表示空间X与Y的拓扑并X∪Y,亦即拓扑空间W中子集G为开集当且仅当G∩X以及G∩Y分别是X及Y的开集.今在W中,将A中点x与Y中点f(x)叠合得到一个W的商空间Z,它就称作籍助映射f:A→Y将X附贴到Y上的附贴空间(adjunction space);更准确些,Z也常常记作X∪_(f,A)Y.空间W至Z的商映射常记作p.易见p在Y上的限制给出了Y至Z的一个(在中)同胚映射,所以不妨把Y看作Z的(闭)子空间。此外,p的限制还给出了自空间X—A至Z—Y的同胚映     

贵州树木新分类群及新分布(续)

<正>长柄核果木 新种(图1) Drypetis longipes X. H. Song, sp, nov. Species foliis intergris, pedicellis fructuum 3～4cm. longis instractis. Arbuscula sempervirens, 8 m. alta, tranco 14 cm diam., cortice cineracei, levi,tenuiramis cernuis cinereis vel flavidi-inereis, lenticellis suberosis leviter elevatis,ramulis hornotinis interdum pubescentibus, deinde glabris. Folia alterna tenuicoriacea vel crassi-chartacea, elliptica vel ovato-elliptica, 7～10cm. longa et 3～4cm. lata, apice acuminata vel brevicaudata, acumine obtusis, basi cuneata, obliqua,utringque glabra, nitide, costa media supra elevata vel plana subtus elevata, nervis alteralibus utrinsecus 7～8(～9), curvis, prope marginem consutis, nervulis,subparallelis, subtus elevatis, manifestis, petiolis 3～5mm. longis, purpureis interdum pubescentibus. Fructus juvenes plerumque singulares, globosis viridis,dense brevipubescentis, stylis brevissimis 2-lobatis, persistentibus, stigmatibus latissimis, reniformibus, pedicellis 3～4cm. longis.     

四川三芒草属一新种

巴塘三芒草 新种 Aristida batangensis Tang et Liu Sp.nov. Species A.trisetae keng similis,sed vagina scabrella;ligula 0.5-1mm longa,cilils o.2     

贵州产草沙蚕属一新种

Tripogon panxianensis H. Peng, sp. nov. Affinis Tr. filiformis Nees, sed laminis supra inter nervos praesertim basi appressis pilis usque ad 10 mm longis; spicis brevioribus; spiculis     

湖南树木三新种

<正> 1.石门鹅耳枥 新种 图版I∶1 Carpinus shimenensis C. J. Qi, sp. nov. Species insignis, ab omnibus speciebus generis foliis late ellipticis, vel late ovatooblongis, minoribus, 3-5 cm longis, 2-3 cm latis, margine acute dentato-duplica-to-serratis, nervis lateralibus 11-13 jugis, supra manifeste impressis, subtus conspicueelevatis, dense villosis, bracteis frucferis semiovatis vel semiovato-rotundis, extra marginedentato-lobatis, intra margine basi auritis facile distinguibilis. Arbor decidua alta 5 m, trunco 20 cm diametro; ramuli juvenales atro-grisei, deindelaete brunnei, internodiis brevissimis. Folia papyracea, elliptica, vel ovato-elliptica, 3-5cm longa, 2-3 cm lata, apice abrupte acura, obtusa vel aliquantum rotunda, basi cordata,aliquantum obliqua, supra adpresse byssaceo-villosa, nervis lateralibus utrinsecus 11-13,distantioni nervi 2-3 mm, cum costis supra impressis, subtus manifeste elevatis, margineirregulariter dentato-duplicato-serratis, serraturis abrupte acutis; petioli breves, crassi,4-11 mm longi, dense villosi; stipulae persistentes, circ. 7 mm longae, rubrobrunneae.Spica fructifera 3-3.5 cm longa, in rhachidi villosae; nuculae ovato-rotundae, circ. 4 mm     

非线性酶动力系统——-ZZKK模型渐近分析(简报)

0 引言生物系统中的化学反应,除极少数外都是在酶的作用下进行的,本文讨论的 ZZKK 模型是一个典型的非线形酶动力系统,具有明显的生物学意义．考虑下面生化反应公式, A Y X′(?)2Y X,Y Z(?)P Z,B X(?)X′ Z Z(?)输出,A(?)Y,E X(?)X Z,X X′=C．其中 A,B,E 为反应浓度,P 为生成物浓度,X,X′,Y,Z 为中间物浓度．相应的 ZZKK 模型为     

Banach空间算子的T一正则点Ⅱ——奇异固有值的分离

C.Apostol[1]证明了下面的定理A.设T为作用在复Hilbert空明月上的算子,σ为ρ_(S-F)~S(T)的有限子集,那未存在T的不变子空间Y,Z,使得(i)Y∩Z={0},Y+Z=H,dim Z=sp dim(β;T);(ii)σ(Tz)=σ,sp dim(λ;Tz)=sp dim(λ;T),λ∈σ;(iii)ρ_(S-F)~r(T)=ρ_(S-F)~r(F)∩σ。本文的目的是把上术定理推广到Banach空间。     

中国肥皂荚属一新种

<正>我们在《中国树木志》苏木科的编写过程中,在广西发观肥皂荚属一新种,观报道于下: 广西肥皂荚 新种 图版Ⅰ Gymnocladus guangxiensis P. C. Huang et Q. W. Yao, sp. nov. Affinis Gymnocladi chinensi Baill., sed pinnis trijugatis, rhachibus rhachillisque glabris seve vix puberulis, foliolis 12 vel 14, maioris, 3.4—7cm. longis, 1.8—2.8cm.latis, leguminibus purpureofuscis, nitidis differt. Guangxi: Xingan, Tabianxiang, Xingan Exp. 158 (Typus fr. in Herb. coll. Indust. Silv. Nank. Conserv. ) ; Jinxiu, S. Y. Liang et al, 294.     

内蒙古马先蒿属一新变种

阴山马先蒿(新变种)(图版Ⅰ) Pedicularis longiflora Rudolph var. yinshanensis Z.YChu et Y.Z. Zhao var.nov. t.1. A typo differt caulifoliis quasi oppositis; prope faucem labii vittis fuscis 2. Herba perennis, humilis, 5-15 cm alta. Radix pauca,fasciculata, tenuico-     

一般生长曲线模型中的简单投影预测

考虑一般生长曲线模型Y=XBZ+ε(其中,E(Vec(ε))=0,V(Vec(ε))=σ2ΔΣ),该模型的预测问题就是利用已观察值矩阵Y预测未观察值矩阵Y0=X0BZ0+ε0.作者研究了预测的最优性,对任一线性可预测变量θ=tr(A′Y0),它的简单预测被定义为∧θSPP=Vec(′A)(Z0′X0)[(Z X′)T-(Z′X)]-(Z X′)T-Vec(Y)(其中T=ΔΣ+(ZZ′XX)′);得到了∧θSPP为θ的最优线性无偏预测的充要条件,并研究了∧θSPP关于协方差阵的稳健性,推广了Bolfarine H等的有关结果.     

安徽苔草属一新变种

<正> 在编写安徽植物志过程中,发现长囊苔草(C.harlandii Boott)的一个新变种,现发表如下。休宁长囊苔草(新变种)Carex harlandii Boott var.xiuningensis S. W. Su, var, nov.A Carex harlandii Boott var, harlandii differt culmis lateralibus velcentralibus, foliis 9-13 mm latis; spiculis brevioribus, terminali 2-2.5 (4.5)cm longa pedunculo 1.5-4 cm longo, lateralibus 2.5-3 (4.5) cm longis ped-     

Pennlsetum halnanense

Species Penniseto purpurceo Schumach. affine, sed paniculaleviterflavo-viridi margine purpurcea; spiculae gluma prima hyalino-membrsnacea, longitudine latitudinem aequans; apice obtuse bifido lobulis inaequalis, nerva nulla; gluma secunda circa 1.2ram longa, 0.6-0.8mm     

非线性酶动力系统--ZZKK模型渐近分析

0引言 生物系统中的化学反应,除极少数外都是在酶的作用下进行的,本文讨论的ZZKK模型是一个典型的非线形酶动力系统,具有明显的生物学意义.考虑下面生化反应公式,A+Y+X'K1→2Y+X,Y+ZK2→P+Z,B+XK3→X'+ZZK4→输出,AK5→ Y,E+X K6→X+Z,X+X'=C.