180 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM, 
Fruit a purple, pediceled, ovoid capsule, 3.5 to 4 cm, long, 3 cm. in diameter, 
ligneous, subpubescent, provided with 8 broad, undulate-margined wings, about 
15 mm. broad in the middle; pedicel about | cm. long. Seeds obovate, flattened. 
co 
Fia. 16.—Leaf parts of Carpotroche platyptera. a, Leaf base; b, segment of margin. a, b, Natural size. 
Costa Rica: Rio Hondo, plains of Santa Clara, at an altitude of 50 to 100 meters; 
H. Pittier, flowers and fruit, February 15, 1903 (Instituto fis.-geog. Costa Rica 
no. 16634; U.S. National Herbarium no. 578981, type); same 
locality, in forest, fruit brick-red; Cook & Doyle, no, 485, 
flowers and fruit, May 6, 1903 (U.S. National Herbarium no. 
474340); same locality, little-branched tree, 3 to 4 meters high, 
the flowers scattered on trunk or in axils of leaves; IH. Pittier, 
flowers and fruit, June, 1903 (Instituto fis.-geog. Costa Rica 
, —— ; no. 16702; U.S. National Ierbarium no. 578983); same local- 
Fia. 17.—Flower parts of , , i, . 
Carpotroche crassira- ity, H. Pittier, flowers and fruit, September, 1903 (Instituto 
mea. a, Exterior petal; ffs.-zeog. Costa Rica no. 16923; U. S. National Herbarium 
b, interior petal; c, d, K ‘ 
stamen, front and side no, 578982). 
view. a,b, Scale6; c,d, EXPLANATION OF PLATE XIX.—Twigs of Carpotroche platyptera Pittier, 
scale 3. showing small staminate flower, larger pistillate flower, and fruit. Scale 3. 
Carpotroche crassiramea Pittier, sp. nov. Figures 17, 18. 
A small tree, 1.5 to 2 meters high. Branchlets few, short, thick, pubescent, densely 
leafy toward their extremities. 
Leaves large, coarse, almost entirely glabrous, shortly petiolate; petioles thick, 
2 to 3 cm. long, flattened on upper side; leaf blades obovate, 45 to 65 cm. long, 16 to 
20 cm. broad, long-attenuate at base, rounded or acuminate; midrib thick and very 
prominent beneath, slightly pubescent; secondary veins also prominent, arcuate and 
running into each other at marginal end, anastomosing through parallel, almost per- 
pendicular venules; margin irregularly sinuate-dentate, the teeth broad, more or 
