48 New Species of South American Plants 



oval or ovate with rounded base and blunt or obtuse summit, 

 thin, serrate-dentate with blunt teeth and acute sinuses, 3- or 

 occasionally 5-nerved, the lateral nerves short, the venation in- 

 conspicuous, many transverse veins connecting the principal 

 ones. Staminate spikes to 6 cm. long, including the short 

 peduncle, slender, rather loosely flowered. 



Staminate Flowers. — Pedicels filiform, twice the length of 

 the flower, which is 4-merous, i mm. broad, the sepals ovate, 

 minutely brown-apiculate. 



Pistillate flowers not found. 



"A slender shrub to 6 feet, apparently sub-scandent. One 

 plant only seen in a thicket in a clearing in a rather dry situa- 

 tion, 100 feet altitude, June 3." (Herbert H. Smith, Colombia, 

 No. 2393.) 



Acalypha jubifera. 



Densely long- white-pilose, the hairs of the stem, etc., re- 

 flexed. Stipules 6 mm. long, lanceolate, long-acuminate and 

 acute, brown, the midrib prominent. Petioles to 8 mm. long, 

 slender, shallowly grooved above. Blades 8 to 12 cm. long, 2.5 

 to 6 cm. broad, ovate with regularly rounded base and abruptly 

 short-acuminate and acute summit, thin, densely soft-hairy, 

 gray-green, serrate, the teeth short and broad, erect, the sinuses 

 acute, 3 or 5-nerved from the summit of the petiole, the lateral 

 nerves short, the secondaries slender, about 8 to 10 on a side, 

 strongly ascending, then upcurved to connect near the margin, 

 connected by numerous short, crooked tertiaries. Staminate 

 catkins to 7 cm. long, about 4 mm. thick, densely flowered. 



Staminate Flowers. — Pedicels filiform, longer than the 

 flowers, which are 1.5 mm. broad, 4-merous, the lobes broadly 

 oval, obtuse, long-setose. 



Pistillate flowers not found. 



Collected in Bolivia by M. Bang, without number, locality 

 or date. Specimen unique. 



Acalypha asterifolia. 



Grayish-pilose throughout, with long soft hairs, those of the 

 stem and petioles reflexed or divergent. Stems slender, some- 

 what angled or costate. Stipules setaceous, 4 or 5 mm. long, 

 Petioles to 6 cm. long, slender, strongly nerved. Blades 8 to 

 16 cm. long, 3.5 to 7 cm. broad, ovate, with lightly cordate 

 base, and abruptly acuminate and attenuate summit, very thin, 

 gray-green, the venation not prominent, 5 to 7-nerved, the very 

 slender secondaries 5 or 6 on a side, the remaining venation 

 obscure. Margin regularly crenate-dentate, the sinuses acute. 



