278 PROCEEDINGS OF THE AMERICAN ACADEMY. 
lished ?), represented by Drummond’s no. 30 of his 3d Texan Coll., 
appears to be only a more slender form of the above. Exactly the 
same thing, however, has been found at Milledgeville, Ga.,. by Dr. 
Boykin (Short Herbarium), thus considerably extending the range of 
the species. In raising Dr. Engelmann’s variety to specific rank I 
follow the suggestion of Dr. N. L. Britton. Certainly, the more 
restricted geographic range and the absence of connecting forms indi- 
cate its distinctness from ©. nutans. A very leafy and velvety tomen- 
tose form from Willow Spring, Arizona, Palmer, is worthy of 
mention. 
Var. compactum. Inflorescence capitate-umbellate: pods very 
slender. — C’. nutans, Raf., var. compactum, Engelm. in herb. —A 
marked variety or form from the Bad Lands of Nebraska, Hayden; 
Belknap, N. Texas, Hayes; False Washita, Ind. Terr., Palmer, 
1868 
C. nutans, Rar. A pubescent and viscid annual, 8-18 inches 
high: stems branched: leaves oblong-lanceolate, acute; the lowest 
narrowed toward the base: flowers numerous in an open dichotomous 
cyme: calyx about 2 lines in length: petals somewhat exserted, 
oblanceolate, bifid: pedicels elongated, ascending or spreading, tending 
to be hooked or nodding at the summit: capsule 4-6 lines long, nod- 
ding but curved upward. — Préc. Découv. 36, & Desv. Journ. Bot. 1% 
269 (1814); Gray, Gen. ii. t. 114. ‘C. longepedunculatum, Mubl. Cat. 
46. C. glutinosum, Nutt. Gen. i. 291. C. apricum, Schlecht. Linn#a; 
xii. 208. @. oblongifolium, Anderson, Cat. Pl. Nev. 118. — Common 
and widely distributed from New England to the Pacific and from Hud- 
son Bay to New Mexico. Like the last, paler green than the other 
common species. Apetalous specimens have been found * badass 
Penn., Brinton. Arizona forms of this species also differ slightly 1" 
habit, but lack technical characters for satisfactory distinction. 
C. sericeum, Warts. Annual: stems one or many, a 
high, stout for the genus, sericeous, very leafy below : leaves oblong" 
lanceolate, sessile, 1-2 inches long, 3-6 lines broad ; the lower cnet 
ous with dense flocculent wool; the upper green: flowers numerous 
in spreading cymes: calyx 2} lines long, scarcely exceeded 
corolla. — Proc. Am. Acad. xx. 354, —$. Arizona in the Huachue 
Mts., Lemmon; Santa Rita Mts., Pringle. 
* »* Flowers large; petals usually twice as long as the calyx: indigenous 
species. 
_C. arvense, L. Perennial: stems several, weak, 
naked above: leaves linear to narrowly lance-oblong: pe 
by the 
usually almost 
tals obcor’ 
