228 Plants Collected iyi Paraguay. 



the stems. Pistillate flowers larger, solitary, near the base of the 

 staminate spike. Fruit a 3-carpelled capsule 4 mm. long and about 

 as broad, nearly glabrous, each carpel with 2 minute horns at the 

 top ; seeds flattish, glabrous, dark colored, about 3 mm. long, with 

 a white peltate caruncle at the base. 



A cti 11 OS tern on Liiqiiense, Morong, n. sp. 



An unarmed shrub 3-4 m. in height, with brownish-warty or black-spotted, 

 fissured bark. Leaves glabrous, elliptical, apparently exstipulate, crenulate- 

 serrate, the teeth with callous points, furnished with small glands near the 

 midrib above and with scattered glands beneath, more or less revolute on the 

 margins, the largest blades collected about 7 cm. long by 3 cm. wide; petioles 

 5 or 6 mm. in length. Bracts decurrent, biglandular at the base. Staminate 

 Howers small, yellow or greenish-yellow, in slender terminal spikes 5-10 cm. 

 long, 1-3 flowers from a single bract ; calyx of several minute scales or want- 

 ing ; stamens 3-10; anthers broader than long, 2-celled, opening longitudi- 

 nally. Rachis of the spikes sharply angular, fuscescent. Pistillate flowers 

 much larger, 1-3 at the base of the spike, apparently without a calyx ; ovary 

 often 3-angled, glabrous, armed about half-way up by several irregularly 

 dentate and sharp-toothed scales, slightly spreading at the top ; styles thick, 

 connate at the base, 3-divided above, the divisions curling down over the ovaiy 

 and longer than that. Fruit a very hard, thick-shelled, glabrous, globose 

 capsule, 3-carpelled, 7 or 8 mm. long, containing 1 seed in each cell; seeds 

 glabrous, globose, fuscous, 3 or 4 mm. in diameter, with a small peltate car- 

 uncle at the base. 



Thickets, near Luque (720). May. 



URTICACEJE. 

 Celtis Tala, Gill., Ann. Sci. Nat., 1848, p. 410. 



Pilcomayo River (1045 and 816). October-May. = Man don 

 1096 from Bolivia. 



A spiny shrub 3-5 m. or more in height, with smooth, ashen-gray 

 bark and flexuous branches. Leaves numerous, simple, oval, ser- 

 rulate near the top, mucronulate, subcordate, the veins white and 

 prominent beneath, 3-nerved, 3-5 cm. long and 2-3 cm. broad; 

 petioles 3 or 4 mm. long. Flowers white or greenish-white, minute. 

 Fruit a yellow, pulpy, 1-seeded berry. In thickets. 



Trema micraiitlia (Sw.), Blume, Mus. Bot., ii, 58. 



Asuncion (213). November-December. 



A tree of moderate size. Young branches pubescent. Leaves 

 in 2 ranks, or nearly so, ovate-lanceolate, acuminate and mucronate, 

 cordate at base, 3-nerved, serrulate, rough to the touch above and 



