1895. ] Undescribed Plants from Guatemala. 3 
ZANTHOXYLUM LIMONCELLO Planch. et Cérst. To this 
species, which had been overlooked, must be referred the 
plant described as Z. Costaricense in BOT. GAz. 18: 190. 
1888. It is represented in the series of exstccate by nos. 
4,755, 5,726. 
Picramnia quaternaria Donnell Smith. — Pubescens. 
Foliola 9-15 plerumque dissociata glabra supra nitida elon- 
gato-lanceolata in apicem obtusum vel retusum sensim angus- 
tata preter terminale ad basim valde inzquilatera, ima im- 
mutata. Racemi terminales gemini simplices vel parce 
ramosi, pedicellis gracilibus fasciculatis, floribus 4-meris. 
Ovarium glaberrimum 2-loculare. Bacca nitida ovalis mon- 
Osperma semine obovoideo, interdum bisperma seminibus 
plano-convexis, 
Tree 20-30" high. Leaves 6—8" long, petioles 1-2" long 
and like rachis puberulous; leaflets 2-3" x 7—10', approximated 
in pairs or chiefly scattered, oblique, base somewhat rounded 
on upper side with the lower narrowly cuneate; petiolules 
puberulous, 13' long, the terminal twice longer. Racemes 
pubescent, equalling leaves, one in the pair usually with 1-3 
branches; pedicels glabrous, chiefly 4—6-umbellate, 2' long. 
Sepals ovate, aureo-pubescent, a rudimentary fifth one occa- 
Sionally present. Petals lanceolate, 1' long, thrice exceeding 
sepals, twice exceeding staminodes. Ovary shorter than 
petals; stigmas recurved, occasionally three. Berry 5—7 x 3-4’, 
equaling pedicel; racemes densely fruited. Staminate flowers 
not seen. The single other species described with 4-merous 
flowers, P. tetramera Turcz., imperfectly characterized, ap- 
pears to be represented by no. 8,492 Tonduz P/. Costaryi- 
censes (fruited specimens with persistent sepals); it differs 
from the above by indument, less elongated contractedly acu- 
minated leaflets pubescent beneath, the lower pair ovate and 
equilateral, axillary simple racemes, less densely fruited, 
obovate-ellipsoid pubescent berry, compressed seed. 
Slopes of Volcén Fuego, Depart. Zacatepéquez, Guatemala, 
alt. 6,000", Mch. 1892, J. D. S., no. 2,562. Jumaytepeque, 
Depart. Santa Rosa, Guat., alt. 6,000°, Mch. 1892, Heyde & 
Lux, no. 4,332. Buena Vista, Depart. S. Rosa, alt. 5,500", 
Nov. 1892, Heyde & Lux, no. 4,333. 
TRICHILIA SPONDIOIDES Sw., var. gibbosifolia C. DC.— 
Foliolis basi leviter inaequilateris latere longiore rotundatis. 
Santa Rosa, Depart. S. Rosa, Guat., alt. 3,000%, Mch. 
1893, Heyde & Lux, no. 4,453- 
