216 BOTANY. 



6,500 feet elevation, July, 1874, Rothrock (128); Colorado, 1873, Wolf 

 (289, 290). 



Castilleia pallida, Kimth (Watson, I, c. p. 229). — Utah, 1871, 1872, 

 Watson's Report; South Park, Colorado, 1873, Wolf (285); Gray's Peak 

 (287); Sanoita Valley, Arizona, at 6,500 feet elevation, August, 1874, 

 Rothrock (626). 



Orthocarpus luteus, Nutt. (Watson, I. c. p. 231). — Twin Lakes, Colo- 

 rado, August, 1873, Wolf (319). 



Orthocarpus Tolmiei, Hook. & Am. (Watson, I. c. p. 230). — Utah, 

 1871, 1872, Watson's Report. 



Cordylanthus Wrighth, Cray (Watson, /. c. p. 459). — Mesa south 

 of Black River, Arizona, at 5,700 feet elevation, September, 1874, 

 Rothrock (795). 



Cordylanthus laxiflorus, Gray (Watson, I. c. p. 232). — "Point of 

 Mountain", Arizona, September, 1874, Rothrock (721). 



Pedicularis Gecenlanuica, Retz. (Watson, I. c. p. 233). — South Park, 

 Colorado, 1873, Wolf (281). 



Pedicularis crenulata, Benth. — Pubescent; stems erect, simple, 6 to 

 12 inches high; leaves all linear-oblong, obtuse, doubly crenate, 9 to 15 

 lines long; spikes short, densely flowered; calyx cleft on the upper side, 

 minutely 2-3-toothed; galea hooded, subincurved, 2-toothed under the 

 apex.— South Park, Colorado, 3 873, Wolf (283, 851). 



Pedicularis Sudetica, Willd. — Erect, simple, 8 to 12 inches high, 

 glabrous except the spike; lower leaves pinnately-parted, narrowly lanceo- 

 late in outline ; segments lanceolate, crenate, or subincised-serrate; upper 

 ones pinnatifid; spike short, densely hirsute-woolly; calyx 5-toothed, teeth 

 entire or the lateral denticulate; galea of the reddish-purple corolla arcuate, 

 scarcely hooded, shortly and broadly subrostrate, 2-toothed under the apex. 

 Var. with smoother spikes and no teeth on the tip of the galea. — South Park, 

 Colorado, 1873, Wolf (279); Mogollon Mesa, Arizona, 1873, Loew (280). 



Pedicularis prccera, Gray. — Stem 1£ to 3 feet high, stout, leafy, 

 bearing above a dense- flowered, softly pubescent spike 9 to 18 inches long; 

 leaves glabrous, pinnatelv- parted; segments lanceolate, laciniate-pinnatifid, 

 lobes serrate or incised, radical ones 1 to 14 feet long; bracts elongated, 



