230 schOxMBURGk's guiana plants. 



me from his figure to be rather a Psychotria very near to this 

 species. 



496. P. (Bracteatae) lupulina (sp. n.) ; glabra, ramulis com- 

 pressis, foliis breve petiolatis ovatis acuminatis basi rotundato- 

 cuneatis membranaceis, stipulis e vagina brevissima utrin- 

 que binis linearibus, cyma pedunculata trichotoma densa, 

 bracteis ovatis membranaceis obtusis mucronatis margine cili- 

 atis corollas glabras aequantibus. — Folia 5-6-pollicaria. Sti- 

 pulse 1^ lin. longse. Pedunculus sesquipoUicaris, compressus. 

 BractejE vix venulosae, exteriores 6-lin. longae. CoroUse 

 laciniae tubo breviores. — British Guiana, Schomburgk, n. 26, 

 in the later sets. 



497. P. (Bracteatse) amplectens (sp.u.); glabra, foliis sessili- 

 bus oblongis acuminatis cordato-amplexicaulibus coriaceis, 

 stipulis utrinque binis brevibus aristseformibus, cyma pedun- 

 culata umbelliEformi, bracteis linearibus exterioribus flores 

 tetrameros subsequantibus — Frutex 2-pedalis. Folia circa 

 3-poll. longa, rigida. Pedunculus brevis, pluriradiatus. 

 Bractea3 3-lin. longae, coloratee. Calycis limbus brevis, den- 

 tibus 4-brevissimis. CorolltE 2-lin. longse, albas. Ovarium 

 omnino PsychotricE. — On the Rio Branco, Schomhurgk, n. 

 879. 



To the same group of BracteatcB belongs Gardner's n. 1039 

 from Pernambuco. The species of this group with the in- 

 florescence and usually the stipules of the true Psychotria 

 Paniculatm, have membranous or foliaceous bracts much 

 longer than the calyx, and sometimes exceeding the corolla 

 in length. 



498. P. (Capitellatse) capitellata {DC. Prod. iv. 514?) 

 glabra v. junior puberula, foliis ovatis v. ovato-oblongis acu- 

 minatis basi angustatis breve petiolatis supra demum nitidis, 

 stipulis utrinque minute bidentatis, cyma pedunculata tricho- 

 toma densa subcapitata, bracteis paucis lineari-lanceolatis 



corolla extus puberula intus barbata lono-ioribus Folia 2-3- 



pollicaria. Pedunculi terminales, interdum complures, foho 

 breviores, compressi. Flores albi, vix lineam iongi, sessiles, 

 4-3-meri; iimbi laciniae tubo breviores. Styli lacinise stig- 



