Ad cognitionem genoris Psychotriae additamenta. 441 



Hab. in Jamaica in districtu Manchester in sylvis prope Brother- 

 hurst (?), ra. Nov. fmct. : Purdie (hb. Kew.). 



Obs. Fortasse ex affinitate Ps. troyanae Urb., quae stipulis latioribus, 

 foliis brevius petiolatis ovalibus v. obovatis, baccis ovalibus calycis limbo 

 manifesto coronatis differt. 



Psychotria triiiiteiisis Urb. (n. sp.) glabra; stipulis iguotis; foliis 

 25 — 10 mm. longe petiolatis, obovatis v. obovato-ellipticis, inferne 

 sensim in petiolum angustatis, antice breviter v. brevissime et abrupte 

 acuminatis, 15 — 23 cm. longis, 7 — 10,5 cm. latis, nervo medio supra 

 prominente et leviter longitrorsiim sulcato, lateralibus utroque latere 

 7 — 8 inter sese satis distantibus, sub angulo 60 — 65*^ abeuntibus, 

 supra obsolete, subtus tenuissime anastomosantibus, chartaceis v. perga- 

 maceis, margine planis, subtus non domatiatis; iuflorescentiis termi- 

 nalibus, 7 — 8 cm. longe pedunculatis, corymbosis, ipsis (fructiferis) 

 5 — 7 cm. longis, basi umbellatim 4 — 6-radiatis, radiis 3 — 4-tomib', 

 superne saepius minutissime pilosis, bracteis triangularibus minutis 

 deciduis, pedicellis fructiferis 2 — 6 mm. longis; calycis limbo supra 

 fructum 1 — 1,3 mm. longo cupuliformi margine integro v. obsolete 

 denticulato, er. 2 mm. diametro; baccis ovatis, 6 — 7 mm. longis, 

 4 — 5 mm. crassis, 10-costatis; seminibus (immaturis) dorso 4-sulcatis, 

 ventre planis. 



Hab. in Trinidad: J. A. Lodge. 



Obs. Ob stipulas deficientes dubiae affinitatis; an re vera hujus generis? 



Psychotria tobageiisis Urb. (n. sp.) frutex, ramis hornotinis 

 glabris; stipulis (in apice ramorum tantum visis) ratione magnis, inter- 

 petiolaribus , ovatis v. ovalibus apice obtusis v. rotundatis, 13 mm. 

 longis, 7 — 8 mm. latis, coriaceis, longitrorsum obsolete multistriatis, 

 in sicco bruneis v. bruueo-nigrescentibus, deciduis; foliis 10 — 25 mm. 

 longe petiolatis, ovatis v. obovatis v. late ovalibus, basi plus minus 

 sensim in petiolum angustatis, apice acuraine triangulari praeditis, 

 nervo medio supra prominente longitrorsum sulcato, lateralibus utro- 

 que latere 9 — 11 sub angulo 65 — 75*^ abeuntibus arcuatis, supra non, 

 subtus tenuissime v. obsolete anastomosantibus, pergamaceis v. -sub- 

 coriaceis, domatiis subtus bene evolutis foramina glabra sistentibus; 

 iuflorescentiis terminalibus 9 — 11 cm. longe pedunculatis panniculatis, 

 ipsis fructiferis usque 10 cm. longis et inferne usque 15 cm. diametro 

 trichotomis v. basi 5-tomis, sub lente minute pilosulis, pedunculis 

 2 — 3 mm. latis, bracteis inferioribus deciduis, superioribus 1 — 0,5 mm. 

 longis, e basi late triangulari acutis, pedicellis 3 — 6 mm. longis; 

 calycis limbo supra fructum brcvissimo, 0,3 — 0,4mm. longo denticulato; 

 corolla ignota, alba (ex Broadw.); baccis breviter obovatis, 5 — 6 mm. 

 longis, 4 — 4,5 mm, crassis, obtuse 10-costatis. 



