210 Plants from Sinaloa, Mextco. [ZOE 
fringe that is shorter than the stellate-pubescent body. Cerro 
Colorado. 
A flowering bush that seems to belong to this species was 
found on a sand bar of the Humaya River near Culiacan, where 
perhaps the seed had been brought by the water from the moun- 
tains. The calyx lobes are thickened at their tips and extended 
at right angles to the bud into a short horn. ‘The petals shorter 
than the calyx are white, the stamens are short and the ovary 
white stellate-canescent. The calyx lobes and petals are often 
five. 
Zizyphus Sonorensis Watson, Altata. 
Wissadula elongata. Annual: stem unbranched, 8 dm. high 
or less, pubescent; leaves slightly pubescent, very broadly ovate, 
abruptly acuminate, cordate, repand-serrate, the largest 15 cm. 
long, 16-18 cm. wide, on petioles 12 cm. long, all growing from 
about the middle of the stem; inflorescence nearly sessile in an 
inconspicuously bracted spike, 4 dm. or less long; calyx lobes 
broadly triangular, short; petals yellow, 4 mm. long; carpels 5, 
tementose, obtusely pointed, longer than the calyx; seeds 3, 
pubescent. 
Not uncommon about Cofradia and also found near Culiacan. 
The stem is leafless below, all the leaves growing from near the 
middle. It bears usually a single spike, but rarely in luxuriant 
specimens there are two. 
Wissadula paniculata Rose, was collected at Cofradia and near 
Culiacan. It isa very handsome bush, sometimes 8 ft. high, with 
large, dense panicles of orange-colored flowers terminating the 
drooping branches. 
Wissadula wissaduloides Rose. ‘This bush is abundant in the 
vicinity of Cofradia. The flowers are white. 
Wissadula incana. Stems woody, grayish green, minutely 
pubescent, 1 m. high; leaves cordate, ovate, 5 cm. long, 3 cm. 
wide or less, long-acuminate, crenate-serrate; petioles 4 cm. long; 
panicle lax, bearing small leaves or bracts; petals 4 mm. long, 
white drying slightly purple; calyx lobes triangular-acuminate; 
stamineal column short; carpels 3, obtuse, muticous: the two 
