230 BOTANY. 



Eeiogonum fascioulatum, Benth., var. polifolium, Gray (Watson, I. 

 c. p. 302).— Nevada, 1871, 1872, Watson's Report. 



Eeiogonum coeymbosum, Benth. (Watson, I. c. p. 303). — Arizona, 1871, 

 1872, Watson's Report. 



Eeiogonum miceothecum, Nutt. (Watson, I c. p. 303). — Utah, 1871, 

 1872, Watson's Report; also var. effusum, T. & G., Arizona, and a form 

 between var. confeetifloeum, T. & G., and var Fendleeianum, Benth., but 

 with larger flowers than usual. Var. effusum, T. & G., Upper Arkansas, 

 Colorado, September, 1873, Wolf (22). 



Eeiogonum beevicaule, Nutt. (Watson, I. c. p. 304). — Utah, 1871, 

 1872, Watson's Report. 



Eeiogonum eacemosum, Nutt. (Watson, I. c. p. 304). — Nevada and 

 Utah, 1871, 1872, Watson's Report. 



Eeiogonum Weightii, Torr. (Watson, I. c. p. 305). — Sanoita Valley, 

 Arizona, at 5,850 feet elevation, August, 1874, Rothrock (593), and Camp 

 Grant, September (726). 



Eeiogonum geacile, Benth., var. effusum, T. & G. (Watson, I. c. p. 

 305).— Nevada, 1871, 1872, Watson's Report. 



Eeiogonum Heemanni, Dur. & Hilg. (Watson, I c. p. 306). — Nevada, 



1871, 1872, Watson's Report. 



Eeiogonum deflexum, Torr. (Watson, I. c. p. 306). — Arizona, 1871, 



1872, Watson's Report. 



Eeiogonum ceenuum, Nutt. (Watson, I. c. p. 308).— Twin Lakes, Colo- 

 rado, July, 1873, Wolf (23). Var. tenue, T. & G, Nevada, 1871, 1872, 

 Watson's Report. 



Eriogonum trichopodum, Torr. (Watson, I. c. p. 309).— Ash Creek, 

 Arizona, at 3,080 feet elevation, July, 1874, Rothrock (332). 



Eeiogonum inflatum, Torr. (Watson, I. c. p. 309).— Nevada and Ari- 

 zona, 1871, 1872, Watson's Report. 



Eeiogonum Abeetianum, Torr. (in Emory's Reconn. p. 151; Torr. & 

 Gray, Proc. Am. Acad. 8, p. 189).— Villous or loosely and softly pubescent, 

 paniculately branched, 1 to 1£ feet high; branches erect, often leafy almost 

 to the apex; lower leaves ovate or subcordate, petioled, often undulate, 

 those of the branches lanceolate or linear, subsessile; involucres more or 



