52 Contributions from the Gray Herbarium 
Oct. 1865, Bernoulli 120 (K); Capestillo, Volcan del Fuego, 1400 
m., Aug. 1873, Salvin (K); Volcan Acatenango, Dept. Zaca- 
tepequez, 2135 m., Aug. 1892, W. C. Shannon 3689 (K); Coban, 
1300 m., Nov. 1902, Twerckheim 8379 (GK); Coban, 1350 m., Nov. 
1906, T’werckheim II. 650 (B); Coban, 1310 m., Nov. 1886, Twerck- 
heim 298 (distr. J. D. Smith: GK); San Geronimo, 1861, Salvin & 
Godman (K); Cerro Gordo, Dept. Santa Rosa, 1065 m., Sept. 1892, 
Heyde & Lux 3941 p.p. (G). Costa Rica: thickets along the 
Torres River, at San José, 1160 m., Aug. 1896, Tonduz 2052 (GK); 
San Francisco de Guadalupe, 1170 m., Nov. 1893, Tonduz 1553 
(G).—T. 2. Fie. 30. 
64. P. biformipilis, sp. nov. E basi fruticulosa caules plures 
ramosi erecti 3.5-6 dm. alti dense molliter pubescentes pilis aliis 
brevioribus incurvis aliis crebris longis rectis late patentibus. Folia 
ovata vel oblongo-ovata acuminata cuspidulata basi rotundata 
venosa (nervis lateralibus 6-8-jugis) supra saturate viridia subtus 
paullulo pallidiora utrinque sicut caules pubescentia (pilis paginae 
inferioris numerosis) 3-4.9 cm. longa 1.1—2 em. lata, in petiolis 1.2-2 
mm. longis; ea inferiora minora ovalia plus minusve obtusa. Ra- 
cemi densiflori 3.5-7 em. longi. Flores purpurascentes 8-9 mm. 
longi, in pedicellis 2-2.5 mm. longis; bracteis subulatis subpersis- 
tentibus. Sepala ovata vel oblongo-ovata acuminata incurvo-pu- 
bescentia et ciliata sparse pilosa ad 3.7 mm. longa. Alae oblongo- 
ovales apice rotundatae basi non unguiculatae infra sparse incurvo- 
puberulae apice sparse ciliolatae et puberulae ceterum glabrae 8.7 
mm. longae 4.7 mm. latae. Carina 7 mm. longa. Petala superiora 
oblonga apice retusa glabra. Tubus staminalis apice et filamenta 
libera infra pubescentia. Capsula (immatura) elliptica emarginata 
basi rotundata ciliata et dense incurvo-patenti-pilosula 8 mm. longa 
6.5 mm. lata. Semen (submaturum) breviter pilosum 4.1 mm. 
longum. Arillus (submaturus) 2.5 mm. altus, umbone parvo dense 
piloso, margine scarioso lobulato sparsissime piloso, margine dorsali 
subhorizontali anteriore recte verticali. — Vera Cruz: open woods 
and fields, Zacuapan, Nov. 1906, Purpus 2364 (rypE coLL.: BG); 
temperate and subtropical region, Sept. 1828, Schiede & Deppe 
(B); Mirador, Sept. 1838, Linden 174 (K); fields and woods, 915 
m., 1840, Galeotti 879 (K). —T. 2. Fia. 37. 
65. P. panamensis Chod. Suffruticulose at base, erectish, 
several-stemmed, 2-3 dm. high. Stems stoutish, branched, densely 
