(492 ) 
Hippeastrum crocifiorum sp. 
Specimens 3 dm. high, ae the leaves not seen, the scape 
dilated upwards; bracts of the spathe 2, distinct, oblanceolate, 
obtuse, 4-5 cm. long, thickish, oe purple; pedicels 2, slender, 
1.5-2 cm. long; ovary 6 mm. long, 4 mm. broad, ne oe 
tube about 15 mm. long, infundibular, the lobes § cm. long, 
wide, rose-purple; filaments much thickened below, pee 
unequal, shorter than the corolla; style about equaling the corolla, 
the stigma shortly and broadly 3-lobed, the lobes rounded 
“Guerratuma River, 3500 ft., Aug. 9, 1902” (No. 1617). 
DIOSCORIACEAE 
Dioscorea oblongifolia sp. nov. 
Stems slender, irregularly angled; petioles 12- ee mm. 10n8 
slender, sharply channelled abov ve; blades 6-9 cm. 3-45. 
broad, nearly oval, lightly cordate with a broad sinus, — aes 
a rupt-acum minate and acute, strongly 3-nerved, with often an 
shortly oe aa ae as rong pea reeks strongly 
compressed, 12-15 lon road, emarginate, 
the very short stout “style at ae eae stigma I.5 mm. 
broad, 6-angled and with a ridge running from the center to each 
angle, upon the upper surface, and 3 slightly projecting light colored 
small bodies at the center; wings bearing very many exceedingly 
fine nerves running transversely from the axis to the thickened 
margin; seed nearly orbicular, about 8 mm. br ae including the 
light-brown wing, which is two-thirds as broad as the red seed. 
“Apolo, 4800 ft., July 22, 1902” (No. r4gr). 
Dioscorea acanthogene sp. nov. 
ae slenderly costate, roughish with fine tubercles; petioles 
12-18 mm. long, slender, articulate upon a stout alcate base 
lo 
coriaceous, sharply 7-9 ribbed, the slender anastom mosing venation 
sharply prominent on both h sides; panicles (pistillate only seen) 
drooping, much-branched, the branches 15-30 cm. long, slender, 
remotely flowered, the flowers sessile; bracts small, subulate, thin, 
reddish; flowers puberul ent externally, about ong; ovary 
oF .5 mm. long, slightly curved; winged segments about 2.5 
long, ovate, obtuse, bearing rk midrib; staminodia at 
fie bases of the segments, very small; style conical, short and stout, 
not quite so long as the perigone- segments nor as the stigmas, 
