410 PROCEEDINGS OF THE ACADEMY OF [1898. 



224. Epidendrum virens Lindl. & Paxt. Flow. Gard., I, (1850-51), 152; Biol. 



Centr. Amer. Bot., Ill, 242. 



The living specimens collected and brought home, I doubtfully 

 refer them to this species. Orizaba, Aug. 27 (394). 



PIPERACE.E. 



225. Piper umbellatum Linn. Sp. PI., 30 ; Biol. Centr. Amer. Bot., Ill, 56. 



South Mexico, southward to Peru and Brazil, also in West Indies. 

 Cordoba, Aug. 26 (346). 



226. Piper sp. 



Orizaba, Aug. 27 (371). 



CARYOPHYLLACEJE. 



227. Silene Armeria Linn. Sp. PL, 420. 

 Orizaba, Aug. 27 (366). 



ANONACEJE. 



228. Anona Cherimolia Miller Gard. Diet. ed. VIII, n. 5 ; Biol. Centr. Amer. Bot., 



I, 18; Bot. Mag., t. 2,011. 



Extending from South Mexico to Ecuador and Peru; widely 

 spread in Tropical America. Naturalized in some of the West 

 Indian Islands according to Grisebach. 



" One of the ' Custard Apples.' This shruL or tree might be tried 

 in frostless forest valleys where the humidity and rich soil will prove 

 favorable to its growth. It is hardy in the wildest coast regions of 

 Spain, also in Chili. In Jamaica it is cultivated up to 5,000 feet." 

 (Mueller). Orizaba, Aug. 27 (380). 



LEGUMINOS^E. 



229. Mimosa albida H. & B. in Willd. Spec., IV, 1,030. 

 Cordoba, Aug. 26 (350). " Sensitive Plant." 



MALVACEJE. 



230. Malvaviscus arboreus Cav. Diss., Ill, t. 48 ; Biol. Centr. Amer. Bot., I, 118. 

 North Mexico to Guatemala, Panama ; also common in the West 



Indies including Cuba. Orizaba, Aug. 27 (362). 



CACTACEiE. 



231. Cereus triangularis Mill. Gard. Diet. ed. VIII, n. 9; Bot. Mag., t. 1,834; 



Biol. Centr. Amer. Bot., I, 547. 



Orizaba, Aug. 27. 



