278 PROCEEDINGS OF THE AMERICAN ACADEMY. 



lished ?), represented by Druinmond'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. 

 Boy kin (Short Herbarium), thus considerably extending the range of 

 the species. In raising Dr. Eugelmanu'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 G. 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, Eugelm. in herb. — A 

 marked variety or form from the Bad Lands of Nebraska, Hayden ; 

 Belknap, N. Texas, Hayes ; Ealse Washita, Ind. Terr., Palmer, 

 18G8. 



C. nutans, Raf. 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. — Prec. Decouv. 36, & Desv. Journ. Bot. iv. 

 269 (1814) ; Gray, Gen. ii. t. 114. C. longepedunculatum, Muhl. Cat. 

 46. C. glutinosum, Nutt. Gen. i. 291. C. apricum, Schlecht. Linnaea, 

 xii. 208. C. oblongifolium, Anderson, Cat. PI. 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 at Wawa, 

 Penn., Brinton. Arizona forms of this species also differ slightly in 

 habit, but lack technical characters for satisfactory distinction. 



C. sericeum, Wats. Annual : stems one or many, 1-2 feet 

 high, stout for the genus, sericeous, very leafy below : leaves oblong- 

 lanceolate, sessile, 1-2 inches long, 3-6 lines broad ; the lower cinere- 

 ous with dense flocculent wool ; the upper green : flowers numerous 

 in spreading cymes : calyx 2k lines long, scarcely exceeded by the 

 corolla. — Proc. Am. Acad. xx. 354. — S. Arizona in the Huachuca 

 Mts., Lemmon; Santa Rita Mts., Pringle. 



* * Flowers large ; petals usually twiee as long as the calyx : indigenous 



species. 



C. arvense, L. Perennial: stems several, weak, usually almost 



naked above : leaves linear to narrowly lance-oblong: petals obcor- 



