202 PROCEEDINGS: BOSTON SOCIETY NATURAL HISTORY. 
folium Jacq., Enum. pl. Carib., p. 29 (1760).— Juan Griego trail, 
alt. 450 m., Johnston, no. 225, Aug. 12-15. Very abundant, growing 
in clusters. Venezuela: Caracas, Ernst, Sobre la flora y fauna, p- 
268. Distribution general from Cuba to Guiana and Peru. 
P. sp. affinis P. platycauli Rehb. f— Juan Griego trail, alt. 600 m., 
Johnston, no. 241, July 31. 
P. Jounstonu Ames, Orchidaceae, vol. 2, p. 271 (1908)—San 
Juan Mt., alt. 600 m., Johnston, no. 238, July 16, Endemic. 
P. sp. San Juan Mt., Johnston, no. 237, July 16. 
P.sp. San Juan Mt., Johnston, no. 235, July 11. 
P. sp. San Juan Mt., Johnston, no. 234, July 11. 
PIPERACEAE. 
Prerrromia R. & P. 
P. GLABELLA (Sw.) A. Dietr., Sp. pl., vol. 1, p. 156 (1831); Griseb., 
Fl. Brit. W. Ind., p. 165. Piper glabellum Sw., Prod. veg. Ind. Oce., 
p. 16 (1788).— Bat Cave Peak, El Valle, alt. 300 m., Johnston, no. 
12. July 4. Further distribution, Trinidad, Antigua, and Jamaica. 
P. scanpens R. & P., Fi. Per., vol. 1, p. 32, pl. 51, fig. b (1798). 
P. repens HBK., Nov. gen. et sp., vol. 1, p. 65 (1815); Griseb., Fl. 
Brit. W. Ind., p. 165.— Santa Ana, Ernst (reported under the name 
P. repens HBK.); Rio Asuncion, Johnston, no. 13, Aug. 12-15. 
Abundant on the rocks of the rivulet. Widely distributed in tropical 
_ America. 
P. vicrortana C. DC., var. Margarrrana C. DC., Proc. Amer. 
acad. arts and sci., vol. 40, p. 685 (1905).— Bat Cave Peak, on the 
cliffs, alt. 300 m., Johnston, no. 18, July 4. Endemic. 
Pirer L. 
P. Jonnstoni C. DC., Proc. Amer. acad. arts and sci., yol. pe 
685 (1905).— Juan Griego trail, alt. 500 m., Johnston, no. 19, July 2. 
Endemic. 
P. MARGARITANUM C. DC., Proc. Amer. acad. arts and scl., vol. Bis 
Pp. 685 (1905).— El Valle, Miller & Johnston, no. 216, Aug: 55.2 
Juan Mt., alt. 700 m., Johnston, no. 20, July 11. Endemic. on 
P. pseuDO-MoLLicomum C. DC. in DC., Prod., vol. 17, pt- L P- a 
(1869) — Juan Griego trail, alt. 450 m., Johnston, no. 17, July 4 
Further distribution, Peru. 
