volt. 5]. Plants from Sinaloa, Mexico. 211 
collateral seeds minutely tuberculate-roughened, the lower seed 
stellate-pubescent, with a white-tomentose cap. 
This species is near W. wissaduloides and differs from my im- 
mature specimens collected near the type locality in being 
minutely pubescent like Adutilon incanum, with no glandular 
hairs and in its more diffuse and less leafy panicle. Common 
about Culiacan. 
Hibiscus Coulteri Harv. Growing on the hills near Culiacan. 
Hibiscus violaceus. Woody at base, 1m high, with few erect 
stems, sparingly branched above, glabrous; leaves ovate-acumi- 
nate, cuneate, truncate or rarely slightly cordate at base, crenate- 
serrate, sometimes a few simple hairs on the paler under surface, 
the largest 6 cm. wide, 8 cm. long, on petioles 2 cm. long; inflo- 
rescence axillary, usually of single flowers on pedicels 3-4 cm. 
long; distinct bractlets of the involucel 12 mm long, much ex- 
ceeding the calyx lobes, linear-lanceolate; lobes of the five-parted 
calyx deltoid-lanceolate; petals 12 mm. long, violet; capsule 
shorter than the calyx, with few long bristles; seed densely 
covered with long wool. 
Culiacan and Cofradia, growing in shaded cafions. The plants 
bear few flowers and are never numerous. : 
Kosteletzkya paniculata Benth. Cerro Colorado. 
Kosteletzkya sp. Culiacan. 
Malvaviscus rivularis. Shrubby, branched, 1 m. high; 
young branches densely stellate-pubescent; leaves ovate-lanceo- 
late, cuneate at base, serrate, rarely trilobed near the tip, largest 
8 cm. long, 4 cm. wide, digitately 5-7 nerved, sparingly pubes- 
cent above, more so below, especially on the nerves; petioles 1-2 
cm. long, densely pubescent: flowers axillary near the ends of the 
branches, or terminal, solitary on pubescent peduncles 1-2 cm, 
long: bractlets of the involucre 8, linear-lanceolate, 12-14 mm, 
long, shorter than the calyx; calyx lobes triangular, half as long 
as the tube, pubescent; petals crimson, 15 mm. long, with few 
stellate hairs on the outside near their tips: auricle ciliate with 
long hairs; stamineal column double the length of the petals; 
style branches short, 5. 
AuGustT 29, 1905. 
