304 Rusbv: An Enumeration of the Plants 



seen) sessile, 3-7 cm. long, 1.5 mm. thick, pendulous, densely 

 flowered, gray : flowers 1 mm. broad. 



Yungas, 6000 ft., 1885 (no. 1947). 



Acalypha Benensis Britton sp. nov. 



Densely gray-tomentose, the upper leaf-surfaces strigose : 

 branchlets stoutish, flexuous, very leafy : stipules 2 mm. long, 

 linear or almost setiform : petioles 1.5-2 cm. long, stout : blades 

 .5-1 dm. long, 2.5—4 cm. broad, lance-ovate, rounded at the 

 base, acuminate and very acute at the apex, finely serrate, entire 

 toward the base, thickish ; venation lightly prominent both sides, 

 the 10 or 12 pairs of secondaries strongly ascending, connected 

 by the straightish tertiaries : staminate spikes sessile, 4 or 5 cm. 

 long, 3 mm. thick, gray, densely flowered : pistillate spike (but 

 one seen) 1.25 dm. long, nearly 1 cm. broad, densely flowered : 

 scales of the pistillate flowers strongly veined, densely pilose, 5—7 

 mm. broad, 4 mm. long, inclusive of the (about 10) slenderly 

 subulate teeth, which are about 1.5 mm. long and separated by 

 broad rounded sinuses : ovary strongly pilose, depressed-globose, 

 deeply 3-lobed, about 2 mm. broad. 



June, of Rivers Beni and Madre de Dios, Aug. 1 886 (no. 

 1264). "Near A Tarapotensis Muell. Arg." [N. L. B.] . 



Acalypha grandispicata Britton sp. nov. 



Petioles, peduncles and youngest parts of the branchlets gray- 

 ish-puberulent : stipules about 5 mm. long, 1 mm. broad, taper- 

 ing regularly from the base to the acute apex, brown, membrana- 

 ceous, lightly keeled : petioles 2-6 cm. long, stout but weak, 

 coarsely angled : blades 2-3 dm. long, .6-1 dm. broad, oblong, 

 acute at the base, abruptly acuminate and acute at the apex, finely 

 short-serrate, very thin, glabrate, the secondaries 14-16 pairs, 

 strongly ascending, connected by the tertiaries : only one (pistillate) 

 spike seen, the peduncle 4 cm. long, stout, the spike more than 2 

 dm. long, 2.5 cm. broad, rather densely flowered : scales more 

 than r cm. long, their breadth greater, strongly concave, deeply 

 cleft into about 1 1 lanceolate acuminate segments, the middle 

 longest, the outer regularly smaller: ovary depressed-globose, 

 minutely tuberculate, lightly lobed, the styles short and broad. 



Mapiri, 5000 ft, Apr. 1886 ( no. 1261 ). 



Acalypha Lechleri Britton sp. nov. 



Youngest portions and inflorescence finely gray-tomentel'late ; 

 stems stout, costate : stipules about 5 mm. long, the basal portion 



