234 New Species of Mexican Plants. [ZOE 
at base, white-tomentose beneath, yellowish and silky-hairy 
above, 12-15 mm. long, 7-10 mm. wide: flowers crowded at the 
ends of the branches in short, dense clusters; pedicels 5-10 mm. 
long, densely brown-pubescent; calyx lobes 7 mm. long, brown- 
pubescent; petals nearly equal in length, 1 cm. long; staminodia 
3; perfect stamens 7, anthers slightly hirsute; ovary pubescent; 
legume flattened, 8-9 cm. long, 12 mm. wide, sparingly hirsute. 
This species is marked by the contrast between the white- 
tomentose lower face of the leaflets and the dark yellow-green of 
the upper face. Collected at El Riego, near Tehuacan, Puebla. 
No. 1195. 
Cassia Purpusi. A bush 1-2 m. high, the younger growth 
slightly pubescent: leaflets 1-3 pairs, glabrous, oblong to orbicu- 
lar, somewhat oblique, 10-18 mm. long, 8-12 mm. wide, nearly 
sessile, sometimes slightly retuse and apiculate, coriaceous, bear- 
long: stipules linear-setaceous: inflorescence paniculate termi- 
nating the main stem and short branches; peduncles 1-2 cm. 
long; pedicels 5-10 mm. long; buds nodding; flowers erect, 2.5 
em. wide when expanded; sepals oblong 12 mm. long, 3 mm. 
wide, obtuse at the apex; petals yellow, narrowed to the base 
into a claw; perfect stamens 7,3 long and 4 short; ovary pubes- - 
cent: legume 5 cm. long, 12 mm. wide, glabrous, mucronate, 
flattened, usually somewhat constricted between the seeds. 
Collected near Calmalli, Baja California, by Dr. Purpus, 1898, 
No. 107, and in fruit by E. A. Goldman at Rosarita, near San 
Andreas, B. C., Sept. 25, 1905, No. 7160. 
Harpalyce ferruginea. Fruticose, the young growth, calyx 
and leaves, excepting the upper face of the leaflets, ferruginous- 
pubescent and sprinkled with orange-colored particles; the older 
growth more or less covered with white lenticels: leaves 3-4 ¢™- 
long on petioles 1-2 cm. long; leaflets 2-3 pairs and a terminal 
one, the midnerve prominent on the lower face, the upper face 
finely pubescent and darker colored, elliptical or oblong, rounded 
at both ends, mucronulate: flowers purple, in racemes 2-3 CM. 
long; pedicels 1-5 mm. long; calyx lobes 2 cm. long; vexillum 
