240 schomburgk's guiana plants. 



LOGANIACE^.* 

 Tribe, SpiGELiEiE, 



533. Spi^eVia anthelrnia, Linn. Sp. i. 213. — British Guiana, 

 Schomhiirgk, n. 671. — French Guiana, Leprieur, Herb. Par. 

 11. 200 Pernarabuco, Gardner, n. 1067. 



534. S- Schomhurghiana (sp. n.) ; annua ? foliis lanceolalo- 

 ovatis flovalibus quaternis, spicis a basi floriferis, dentibus 

 calycis minimi brevissimis, genitalibus inclusis, capsulis laevi- 

 bus. — A descriptione S. FlemingiancB {Cham, et SchlecM. 

 Linncea, i. 203) difFert praecipue ramis tenuibus, foliis polli- 

 caribus, spicis vix 20-floris. — On the Essequibo, Schomburgh, 

 n. 14. 



535. S. humilis (sp. n,); annua, fohis lanceolatis omnibus 

 oppositis, spicis 2 — 4-floris, genitalibus inclusis, calycis denti- 

 bus capsula Iffivi dimidiobrevioribus — Planta vix semipedalis. 

 Folia inferiora ovato-lanceolata, suprema lineari-lanceolata, 

 trinervia. Corolla alba, fere 6 lin. longa. — Affinis S, Schlech- 

 tendaliancE, Mart., at pluribus notis distincta — On the Esse- 

 quibo, Schomburgk, n. 20, on the Quitaro, n. 536, and on the 

 Rio Negro, n. 926. 



Gardner's n. 724, from the Organ mountains, appears to 

 be an undescribed Spigelia with opposite leaves. 



Tribe, Antonie^:. 



536. Antonia pilosa. Hook. Ic. PL t. 64. — Endl. Iconogr. 

 t. 56. — A. pubescens, Bong, in Mem. Acad. Petrop. ser. vi. v. 

 iii. /). 2. t. 1. — On the Essequibo, Schomburgk, n. 85, a. 



Tribe, SxRYCHNEiE. 



537. Strychnos toxifera, Schomb. — Hook. Ic. PL t. 364 

 and 365; ramis scandentibus cirrhisque pilis longis patenti- 

 bus rufis dense obtectis, foliis sessilibus ovali-oblongis acumi- 

 natis raembranaceis trinerviis utrinque pilis longis rufis 

 hirsutis, floribus fructibus maximis globosis. — Folia 



I bere adopt this order as extended by Meisner, Gen. Pi. 



