768 CVII. ASCLEPIADE^. [Go}wlobe(^. 



Species 1, Cohiiiibiana. Genus Lachiiostovwii valde affine. De testivatiojio valvata incerU 



eumns, alabaatni coini non vidimus, in Hore seniiaperto loLi augiisti^sinie de^clrorsum obte^cro 

 videbantiir. 



93. Poicllla, Gru>eh. Cat. PL Cub, 176.— Calyx parviis, 5-partitus. Corolla tubo 

 brevissimo rotata^ alte 5-loba, lobis latis contortis dextrorsum obtegentibus. Corona 

 squama 5, distinctte, tubo stamineo aflfixie, erectse, cucullataj v. luargine inflex^j intus in 

 lacimilam pruductie. Stamina tubo coroUiC affixa, filainentis in tubiim brevissinmm con- 

 natis; antherre sxib stigmatis margine breves, latfe, inappendiculata?, siibtransversim de- 

 hiscentes, Pollinia ovoidea. Stigma vei-tico depressum. Folliciili . , , . — Herba 

 valubilis, tenuis, pilosnla. Folia oppi)sita, cordata, Cym?e pauciflor^e, in una axilla 

 sessiles. Flores parvi, pedicellati, corolla pubescente intns tigrino-marmorata. 



Species 1, Cubensis, Specimen uniciun maiicum vidimus in coUectiono Wrightiana sub u. 2965, 

 cum Asteplano ovaUfoUo mixtiun, et primo intuitu illi simillimum, sed flures longe diversi, Sti'uc- 

 turain gynottcgii haud rite examimire poluimus et characteres nonoullos fide Grisebacliii damus, 



94. Ptycanthera, Dene, in DC. Prod. viii. 606. — Calyx 5-partitus. Corolla rotata, alfce 

 6-fida, lobis oblongis glabris- Coronee squama 5, tubo stamineo omnino adnata;, inferno 

 camosie tumidar, apicc acuminatie. Stamina ba^i corolla? affixa, filamentia in tubuni brevis- 

 simum connatis ; antheras sub stigmatis sinubiis lata?, retusce, inappendiculatoi, transversim 

 dehiscentes, valva exteriore reflexa, Pollinia in quoqiie loculo solitaria, ovoidea, caudi- 

 culis divarica*'^ subliorizontalia. Stigma vertice obtusissime conicum, prumincns^ Fol- 

 liculi .... — Suifrutex volnbilis, gracilis. Folia opposita, glabra. Cymte snb-2-floriD, 

 in una axilla breviter j>edunculata3, Flores parvuli. {Char, ex ic. et dcscr.) 



Species J, ins. S. Domingo incola, a nobis non visa. Diless. Ic- SeL v. t. 81. 



96. Polystemma, Dene, in DC. Prod. viii. 602.— Calyx sub-o-paiiitus, basi intus 5- 

 squamcllatus. Corolla latissime campanulata, 5-fida, lobis lato-lanceolatis contortis dex- 

 trorsum obtegentibus. Corona; squamse v. lobi 25, basi tubi staminei affixi, quorum 5 

 antheris oppositi oblongo-ligulati, erecti, ad utrumque latus lobis 2 tilifurmibus stipati. 

 Stamina basi corollae.aflSxa, filamuntis in tubum brevissinium connatis ; anthera^ sub sti- 

 gmatis simibus latre, retusse, inappendiculatse v. vix membrana angustissima marginatffi, 

 transversim dehiscentes, Pollinia in quoqiie loculo solitaria, latiuscula, arcuata, sub- 

 horizontaliaj introrsum spectantia. Stigma vertice depressum, angulis prominulis, 

 FoUiculi . . • . — Suffnitex volnbilis v. subcrectus, hirsutus. Folia opposita, cordata, 

 Oymie laxe pauciflorse, in una axilla breviter pedunculatse. Flores majusculi, virentes. 



Species 1, Mcxicaua, Ddcss. 7c. ScL \\ t. 7i>- Genus non nisi corona a pra^cedcntibus difFcrt, 



96. rimbristemma* Tiircz. in liulL Svc. Imp. Nat Mosc. 1852, ii. 320. {Callaolepium, 

 Karst FL Cohimb, i. 123, t, 1G5.)— Calyx D-pariitus, scgmentis angustis. Corolla sub- 

 ro tat o -campanulata, alte 5-fida, lobis oblongis (contortis anguste dextrorsum obtegenti- 

 bus ]). Corona tubo stamineo affixa, cyathiformis, membranacea, hyalina, ore duplicato ; 

 exteriuris lobi 5, staminibus alterni, sinubu.s fimbriatis ; interior 5-loba v. luidique fim- 

 briata. Stamina tubo brevi corollas afSxa^ filamentis in tubum brevissimum connatis ; 

 antherre sub stigmatis marginibus lata;, inappendiculatag, transversim dehiscentes. Pollinia 

 obovoidea, caudiculis brevibus latis lateraliter affixa. Stigma depressum. Folliculi 

 , , , , — Sufl'rutices volubiles, pubescentes. Folia opposita, cordata, Cyniae multiflorso 

 3-chotomai V. laxe paucifloree, in una axilla breviter pedunculatse, (Char- ex ic. et descr.) 



Specirs 2, altera Guatcmalensis altera Columbiana, a nobis non visEe. Si cljaracttrcs rite intelli- 

 gimus, congeneres sunt ft gcneribus praecedentibus valJc affines, corona duplicatji finil^riata di- 

 stinctaj. Plura t^imcn adhucinquirenda sunt. 



