200 BOTANY. 



Gilia filifolia, Nutt, var. diffusa, Gray (Watson, I. c. p. 267).— 



Nevada, 1871, 1872. 



Gilia congesta, Hook. (Watson, I. c. p. 268).— Gray's Peak, Colo- 

 rado, at 10-12,000 feet elevation, July, 1873, Wolf (748, 749). 



Gilia pinnatifida, Nutt. (Watson, I. c, p. 469).— Denver, Colo., 

 June, 1873, Wolf (746). 



Polemonium humile, Willd. (Watson, I. c. p. 470). — Utah, 1871, 

 1872 ; Georgetown, at 8,500 feet elevation, and Gray's Peak, Colorado, at 

 12,000 feet elevation, 1873, Wolf (685). 



Polemonium ceruleum, Linn. (Gray's Man. p. 371). — Central Colo- 

 rado, at 10-11,000 feet elevation, July, 1873, Wolf (683). 



Polemonium c^ruleum, L., var. foliosissimum, Gray (Watson, I c. 

 p. 272).— Utah, 1871, 1872. 



Polemonium confertum, Gray (Watson, I. c. p. 272). — Utah, and 

 Belmont, Nev., 1871, 1872; Central Colorado, at 12,000 feet elevation, 

 July, 1873, Wolf (684). 



HYDROPHYLLACE^. 



Phacelia* circinata, Jacq. f. — Loew, Arizona. A widely distributed 

 and polymorphic species. 



Phacelia crenulata, Torr. — Nevada. 



Phacelia glandulosa, Nutt. — Annual, viscidly pubescent, somewhat 

 glandulose; leaves bi-pinnately parted; lobes short and obtuse; seeds 

 delicately impressed-punctate ; calyx-lobes oblong, spatulate, obtuse ; 

 placentae 2-ovuled; seeds vertical. — Agua Azule, N. Mex., 6,700 feet 

 altitude (131). P. Popei, Torr. & Gray, Pac. R. R. Rep. 2, p. 172, t. 10, is 

 simply a less hairy form, having the lobes of the corolla entire. Colorado, 

 along the Arkansas (99). 



Var. Neo-Mexicana, Gray. (P. Neo-Mexicana, Thurb.inBot. Mex. Bound. 



* Phacelia, Juss. — " Calyx deeply 5-parted ; tlie divisions usually narrow and similar. Corolla 

 from almost rotate to harrow-funnelform, deciduous, commonly with appendages upon the inside of the 

 tube in the form of 10 vertical plates or lamellae approximate iu pairs between the bases of the filaments, 

 or else adnate more or less to their base, one on each side. Stamens equally inserted low down or at the 

 base of the corolla. Ovules and seeds from 4 (a pair to each placenta) to very numerous.— Herbs, mostly 

 branched from the base; with simple or compound alternato leaves; or the lower opposite, and more or 

 less scorpoid spicate or lacemose cymose inflorescence. Corolla blue, violet, purple or white, never 

 yellow, except sometimes the tube or throat."— Fl. California, 1, p. 006. 



