220 Plants from Sinaloa, Mexico. [ZOE 
minute circular scales that are free at their edges and on the 
leaves surrounding glandular pits; internodes generally shorter 
than the leaves; lower leaves of the larger plants ternate, broad- 
ly-ovate, obtuse, cuneate at base into a very short petiole, 
coarsely crenate-serrate, slightly pubescent on the prominent - 
veins, 3.5 cm. long, 2.2 cm. wide, upper leaves and leaves of 
smaller plants similar, 1 cm. long: inflorescence near the end of 
the stems or the numerous short branches of large plants; cymes 
axillary from the leafy bracts, about 6-flowered; peduncles 5 mm. 
long; pedicels 3mm. long; calyx 3 mm. long, divided into ovate, 
long-acuminate lobes nearly to the base: corolla scarlet, I cm. 
long, internally pubescent about the insertion of the stamens and 
yellow-bearded along a ventral line; lobes rounded: capsule 
ovate-acuminate about as long as the calyx. 
Growing on cliffs in sunny exposures of the Cerro Colorado. 
Stemodia Palmeri Gray. Culiacan. 
Scoparia annua Ch. & Schl. Growing on muddy banks of 
Tamazula River. Flowers yellow. 
Seymeria bipinnatisecta Seem. Cerro Colorado: 
Buchnera Mexicana Hemsley. ‘The plant is the same as that 
of the Cape Region of Lower California. It is usually not 
branched and has small ovate radical leaves. Flowers of the 
living plant are white but when dried seem to have been blue. 
Cerro Colorado. 
Pinguicula crenatiloba DC. Cofradia. 
Amphilophium purpureum. A bush with somewhat climb- 
ing stems and branches, 3-4 m. long; stems striate, glabrous, 
slightly lepidote when young; leaflets 2 on puberulent petioles 1 
cm. long, terminating the 2-5 cm. long, rufous petiole, ovate- 
acuminate, cordate or rounded and unequal at base, 7 cm. long, 
4 cm. wide, glabrous, minutely shining-lepidote on both surfaces; 
inflorescence terminating the branches in a few flowered panicle; 
pedicels 7 mm. long; calyx densely lepidote, 9 mm. long, nearly 
hemispherical; lobes broad, obtuse-trian gular, much exceeded by 
the inner lobes; corolla 4 cm. long, dark-violet; anthers glabrous; 
fruit 8 cm. long, 4 cm. wide, roughened and lepidote. 
This plant grows in the bottom of arroyos and cafions near 
Culiacan, 
