[Vor. 11 
300 ANNALS OF THE MISSOURI BOTANICAL GARDEN 
This is a different-looking plant from M. mephiticus with which 
it has been confused. "The structural characters are similar but 
M. densus has a different kind of pubescence, the plant is ranker 
in growth, freely branched from the base, and the stems are 
generally crowded with leaves and flowers. "The capsule is usu- 
ally attenuate, more or less exserted, and varies in shape from 
ovate-lanceolate, not much stouter than that of M. mephiticus, 
to distinctly lanceolate, the latter being the more common 
form. The color is not at all constant; the corolla in the type and 
Jepson 7305 is yellow with a few reddish-brown markings; in 
Heller & Kennedy 8672 the tube and throat are red, whereas the 
plants collected by Mrs. Bruce on the Indian Valley Grade, by 
Kennedy 4401 and 4091, and Heller 7173, have dark red flowers. 
88. M. mephiticus Greene in Bull. Calif. Acad. Sci. 1: 9. 1884; 
Gray, Syn. Fl. N. Am. ed. 2, 21: Suppl. 444. 1886; Smiley in 
Univ. Calif. Publ. Bot. 9:334. 1921. 
Eunanus mephiticus Greene in Bull. Calif. Acad. Sci. 1: 102. 
1885. 
Stems erect, 4-12 cm. high, simple or branched, the whole 
plant more or less glandular-pubescent and viscid; leaves ellip- 
tical, oblanceolate or nearly linear, 1-2 cm. long, 2-5 mm. broad, 
obtuse or acute, entire, generally tapering to a short petiole; 
flowers appearing in the lowest axils but mostly clustered with 
the leaves toward the tips of the stems, pedicels slender, 2-4 mm. 
long; calyx open-campanulate, 4—6 mm. long, scarious below the 
sinuses and distended by the mature capsule, teeth lanceolate, 
acute or sometimes subulate, unequal, usually one-fourth the 
length of the tube, throat oblique; corolla funnelform, 1.2-1.8 
cm. long, yellow, rarely reddish-purple, the slender tube at least 
135 times as long as the calyx, throat broad, more or less tinged, 
spotted or streaked with reddish-brown, lobes nearly equa’ 
subquadrate, with broad rounded sinuses; stamens and style 
usually included, rarely slightly exserted, anthers hispid, 
ments with retrorse hairs at the base of the longer pair; stigma- 
lobes broadly peltate-funnelform, subequal or occasionally equal; 
capsule lanceolate, obtuse, as long as the distended calyx, more 
often exserted ; seeds oval, less than half as long as broad, арії" 
late at both ends, reticulate. 
