100 SCHOMBURGK's GUIANA PLANTS. 



580. P. (Timutua) hygrophila, Huinh. et Kiinth. — DC. 



Prodr. V. i, p. 327 Sandy swamps, British Guiana, Schom- 



burgk^ n. 681. 



581. P. (Timutua) longicaulis, Hurnb. et Kunth DC. I.e. 



Arid savannahs, British Gina.x\2i,Schomburgk,n. 166. — French 

 Guiana, Martin, Leprieur, Herb. Par. n. 103. — P. incarnata, 

 Aubh, or P. adenophora, DC, is probably the same species 

 as this one, which varies much in the number and size of the 

 leaves, and in the size and colour of the flowers. The outer 

 sepals are membranous, and, as well as the carina and cap- 

 sule, bear a few rather large glands. 



582. P. (Timutua) variabilis, Humb. et Kunth. DC. Prodr. 

 i. 328. British Guiana, Schomburgk. — French Guiana, Le- 

 prieur, Herb. Par. n. 103. 



583. P. (Timutua) appressa (sp. n.) ; annua, glabra, e- 

 glandulosa, caule superne ramoso, foliis remolis linearibus 

 acuiis appressis subteretibus, racemis spiciformibus elongatis 

 laxiusculis, alis obovatis capsulam late ellipticam vix superan- 

 tibus, seminibus oblongis hispidis. — P. scoparice affinis, differt 

 floribus minoribus, capsulae et foliorum forma, et radice annua. 

 Fioresalbidi. — Moist savannahs, British Guiana, Schomburgk, 

 n. 81. 



58+. P. (Timutua) pahidosa, St. Hil. Fl. Bras. Merid. ii. 

 8 — Sandy savannahs, British Guiana, Schomburgk, n. 670. 

 Bahia, Salzmann, Blanchet, n. 2706. South Brazil, Tiveedie, 

 Sfc. 



585. P. (Timutua) galioides, Poir DC. Prodr. i. 329.— 



Sandy savannahs, Rio Branco, Schomburgk, n. 823. 



586. P. (Senega) violacea, Vahl.—DC. Prodr. i. 330.— 

 French Guiana, Leprieur, Herb. Par. n. 105; Bahia, Salz- 

 mann; Pernambuco, Gardner, n. 924-. 



587. P. (Senega) mollis. Humb. et Kunth DC. I. c Bri- 

 tish Guiana; Schomburgk, n. 260. 



588. P. (Senega) angustifolia, Humb. et Kunth. — DC. I. c. 

 — Savannahs British Guiana; Schomburgk. 



589. P. (Senega) camporum (sp. n.) ; annua, caule erecto 

 subramoso brevissime puberulo ; foliis lanceolato-linearibus 



