CONTORTAE. CXXXI. LOGANIACEAE. 



5J; 



subvenosis, glabcrrimis, corymbo terminalt , tricho- 

 1'Ieropliloens Bluine Bijdr, 1019. 



33«». Potalta AVRh. Oalyx guadrjpar- 



titus, ureeolatus , lobis rutundatis, imbricatis , in- 

 terioribus niinoribus. Cnrulla bypogyna , tubu- 

 loso-campanulata, tubo subcylindrico, liiulti decem 

 fidi iaciniis subeontorto -iinbrieatis , erectis. Sta- 

 mina iO, tuliu curnllae inserta, ejusdem lobis 

 uppusita , inclusa; filamcnta subulata, brevia , 

 antherae lineares, crectae. Ovarium discn 

 annulari cinctum, btloculare. Ovula in placentis 

 *:arnosis, dissepiinenti basi utrinque adnatis piuri- 

 ma, amphitrupa. Stylus filiformis ; stigmapel- 

 tatum, obsnlete quinqnelobuu]. Bacca turbinata, 

 mollis , bilocularis. S emi na placentts carnosis, 

 diisepimenti hasim utrinque occupantihus immersa, 

 pluriinn, nngulata; tcs t a crustacea,areolata, uinbi- 

 Hco ventrati. Embryo in axi albuminis carlilagi- 

 nei rectue, ejusriem fere longitudine; cntylcdu- 

 nibus brevissimis, ohtusis , radicnla conica, 



infera Frutices Americac tr opicae, subsim- 



plices; foliis opposilis, decussatis, clongato-obova- 

 tis , petiolatis, petiolorunt batibus ditatatis in vagi- 

 nam intrapctiolarcm commissis , panicula tcrminali 

 rorymbosa , squamatn - bracteata. 



Potalia Aublet Gutan. II. 394. 1. 131, Lam. (. 348, 

 Maitins Nov. gen. et tp. II. 89. t. 170. Nicandra Sclire- 

 bcr gen. n. 714. non alior. 



OBSERVATIO. Genns Potaliac proximum sistit ntboi 

 Ritin.ensis: Anlhoclcista Af/elius mtc. cx 11. Brown 

 inTttckej Cong. 449. calyce quadrifido, coiolla et androech 



XRIBITS VIII. GAERT.NEREAK. Bac- 



ca dicocca , coccis monospermis. Semina e 

 basi erecta. 



3390. (.iiriiuiM LAM. Calyx basi bi 



bracteolatus, abbreviatn - cauipanulatus, quinque 

 denEatus, persistens. Cnrulla bypogyna, infun 

 tl.bulifnrniis, limbi quinquelidi laciniia acsti ratioiM 

 convolutis, sub anthesi patentibus, Stamina 5 

 cnrullae fauci inscrta , inclusa ; filanienfa bre 

 vissimav. subnulia, antherae nblongac, erectne 

 Ovarium bilnculare. Ovula in loculis solitaria, 

 e placenta niinima, basi dissepimenti utrinque ad- 

 nala erecta.anatrupa. Stylus filiformis, exsertus ; 

 s ti ^nia bifirium, laciniis sctaceis, patcntibus. Ba 1:- 

 ca sicca, dipyrena, pyrenis chartaceis, dtirsn con- 

 vexis, fat:ie planis, tntinusperinis. Semina erecta, 

 uinbilicu prupe basiin ventrali. Embryo in Iiasi 

 albuminis eartilaginci nrthotropus , rectiusculus ; 

 1:0 ty I e d n n i bu s e basi tumida subulatis , rad i 



ruia turbinata, umbiticn contigua, infera. Ar- 



borcs mad a g ascarienses ct mauritianae; 

 fotiis oppositis , pctiolatis, coriaccis , oblongis, inte- 

 gerrimis, sttpulis vaginantibus , cylindricis, integer- 

 rimis v apicc jilamentosis , floribus tcrminalibus, pa~ 

 niculatis v. corymbosis. 



Gartnera Lamarck Illuitr. n. 306. t. 167. Gartner 

 t . ///. 58. t. 191. Andersonia Willdenow mtc. _ S y k e- 

 s i a Amott in N. jt. N. C. XVIll. 331. 



3391. Pag?amea AUBL. Calyx hrevis, 

 turbinatus, quadridentatus, persistens. Corolla 

 bypogyna, nrceolata, intus villnsa, limbn quadrifi- 

 dn. Stamina 4, cnrullae fauci inscrta, inclusa. 



Ovarium bilnculare. Ovula Stylus 



hifidus, lariniis lililurmibus. Bacca carnnsa, di 

 pyrona, pyrcnis osseis , dnrsn convexis, fat;ie pla- 

 nis , dispermis v. abnrtu monosperinis. Semina 



•• Frutex guianensis , vix notus, rami> 



foliis oppositis , pctiolatis, lanceolatis, intego 

 i, glabris , stipulis in vaginam intrafoliaceai 



laxam connatis , floribus oppositis , laxe spicatis 



axillaribus et tcrminalibus. 



Pagamea Aublet Guian. 

 OBSERVATI0. Tribum Intt 

 videtur genus ineditum africj 



Logan; 



Ordo CXXXMM, <ipocynacerte, 



APOCYNEARUM parsJussieu gen. 143. Annal. Mus.V. 



S6t. XV. 345. APOCYNEAE R. Brown Prodr. 465. Mem. 

 ler. toc. I. 59. Bartling Ord. nat. 203. excl. pl. VIN- 

 1 Apoeyneariim seet. DC. et Dubv Bot. gall. 3S4. APO 



CYNACEAE Lindley Tntroduct. edit. II. p. 299. 



Arborrs intermim excelsae, v. frutice£ 

 sacpius volubiles, rarius iikrham perennes . 

 succo in plerisque lacteo, nonnuuquam copio- 

 so, caule ramisque teretibus v. tetragonis, sae- 

 pius nodoso-articulatis. Folia plerumqiie op- 

 pusita, rarius ternatim v. quaternatim verticil- 

 lata, rarissime sparsa, simpHcia, integra c« 

 integerrima, glabra v. pubescentia. 



Stipolae nullae v. interdum interpetio- 

 lares , rudimentariae, glanduliformes v. cili- 

 formes. 



Flores hermaphroditi, regulares, saepius 

 speciosi, terminales v. interpeliolares , cymosi 

 v. subcorymbosi , rarius solitarii axillares. 

 albi, rosei, purpurei v. flavi , rarius caerulei. 



Calyx liber , quinquetidus v. quinqueparti- 

 tus , rarissime quadrifidus , plerumque par- 

 vus , rarius foliaceus, saepius intus squamula- 

 rum v. ciliorum serie auctus. 



Corolla hypogyna, decidua, gamopetala. 

 infundibuliformis v. hypocraterimorpha, tubo 

 fauceque nutlis, v. saepius squaimilis numero 

 variis , integris v. partitis auctts, limbo quin- 

 quetido v. quinquepartito aut rarissime quadri 

 partito, laciniis saepissime obliquis, toaequf- 

 lateris , per aestivationem contortis v, rarissi 

 rae valvatis. 



Stamina 5 , rarissime 4 , corollae tnbo v. 

 fauci inserta, inclusa v. exserta. Filamen- 

 ta saepitis brevissima v. subnulla, interdnm 

 superne dilatata. Antherae introrsae, bi- 

 loculares, ovatae, saepins acuminatae v. in- 

 terdum mucronatae, nunc sagittatae, loculis> 

 jnxta totam longitudinem polliniferis , v. ap- 

 pendicibus basilaribus efFoetis, liberae, erecta* 

 v. conniventes, ntinc marginibus inter se paul- 

 lulum, medio stigmati pertinacius cohaeren- 

 tes, longitudinaliter dehiscentes. Pollengra- 

 nulosum, stigmati immediate applicitum. 



Ovarium e carpidiis duobus, distinctis vel 

 connatis, simplex biloculare, v. duplex, pla- 

 centis ad carpidiorum suturam ventralem; ra- 

 rissime simplex uniloculare, placentis ad sutu- 



