226 schomburgk's guiana plants. 



compressis, foliis oblongis acuminatis basi longe angustatis 

 coriaceis lucidis, stipulis deciduis in duas axillares fuscas late 

 ovatas obtusissimas connatis, pedunculis trichotomis ramis 

 apice dense cymiferis, calyce truncato minute ciliato, coi'olla 

 profunde fissa intus dense barbata. — Arbor 30-pedalis, ligno 

 albo, molli. Folia 4 — 6-poll. longa, in petiolum longe an- 

 gustata. Pedunculus terminalis, petiolo aequilongus; rami 

 primarii elongati, ultimi brevissimi, omnes conipressi. Co- 

 rolla viridis (teste Schomb.), vix l^-lin. longa. Iconi 

 Kuntheanje P. lucidtB similis, sed in hac stipulce acutae dicun- 

 tur et corolla alba. — Sandy hills, British Guiana, where it is 

 called " Surrysuvvero," by the Indians, Schomburgk, n. 488. 



To this group, distinguished chiefly by the brown menibra- 

 nous deciduous stipules and paniculate inflorescence, without 

 any, or with very small bracts, belong the P. Carthaginensis, 

 alba, elliptica, Sec. 



485. P.Jimhi-iata (sp. n.); glabra, dichotoma, foliis subses- 

 silibus ovatis acuminatis basi rotundatis cuneatisve membra- 

 naceis, stipulis ovatis apice cartilagineo-fimbriatis, peduncu- 

 lis terminalibus trifidis dichotome cymosis folio brevioribus 

 laxis, calycis limbo campanulato truncato, corollse fjiuce 

 pubescente. — Frutex 12 — 16-pedalis. Folia 2 — 4-pollicaria. 

 Rami paniculas virides, breves, subcompressi. Bractese 

 minutse. Flores in dichotomiis sessiles. Calyx pentago- 

 nus, limbo laxo viridi tubo suo aequilongo. Corolla alba, 

 tubo fere 1 lin. longo, limbi laciniis tubo asquilongis. An- 

 theraB et stylus breviter exsertae. — Banks of the Essequibo, 

 Schomburgk, n. 51. — This species has the stipules of some 

 Coffem, but the flowers are certainly those of Psychotria. The 

 fruit in this case, as in that of most of the Bubiacece of the 

 collection, is unfortunately wanting. 



486. P. (Paniculatae) cordifolia, Humb. etKunth, Nov. Gen, 



iVup, 365. — Siderodendron paniculatum, Willd DC. Prod. 



iv. 478 — Paniculse, uti xnPsychotriis nonnunquam observatur, 

 utprimum terminales sunt, demum ramulo axillari elongato 

 laterales evadunt. Flores, etsi tetrameri, omnino Psychotria. — 

 A single specimen from the Conocon Mountains, Schomburgk. 



