210 BOTANY. 



Maurandia antirrhiniflora, Willd. DC. ProA 10, p. 296). — Glabrous, diffusely 

 branching; branches slender, climbing high by the flexuose and prehensile 

 petioles and peduncles; leaves numerous, triangular-hastate or sagittate 

 rarely cordate-hastate, angulate; pedicels axillary; segments of the calyx 

 lanceolate, 5 to G lines long, very smooth ; corolla scarce an inch long, 

 smooth, its prominent palate pilose and almost closing the throat. — Arizona, 

 1871, 1872, Watson's Report; 1 874, Rothrock (93 a) ; Cottonwood, Arizona, 

 at 4,500 feet elevation, July, 1874, Rothrock (353) ; Camp Crittenden, 

 September, 1874, Rothrock (680). 



Scroi'HULaria nodosa, Linn. (Gray's Man. p. 327). — Mount Graham, 

 Arizona, at 9,250 feet elevation, August, 1874, Rothrock (4 JO). 



Collinsia parviflora, Dougl. (Gray's Man. p. 327). — Nevada, 1871, 



1872, Watson's Report; Apex, Colo, 1873, Wolf (328). 



Pentstemon barbatus, Nutt., var. Torreyi, Gray (Watson's, Bot. King, 

 p. 452).— Arizona, 1873, Loew (304). 



Pentstemon barbatus, Nutt., var. trichandeb, Gray (Proc. Am. Acad. 

 11, p. 94). — Anthers sparingly bearded with long wool. — Zufii Mountains, 

 New Mexico, at 7,000 feet elevation, July, 1874, Rothrock (151). 



Pentstemon glaber, Pursh (Watson, I. c. p. 217). — Nevada and 

 Utah, 1871, 1872, Watson's Report ; Plains of Colorado, 1873, Wolf (299) ; 

 Neutria, N. Mex., at 7,100 feet elevation (147). 



Pentstemon Fremonti, T. & G. (Watson, I c. p. 218). — Nevada and 

 Utah, 1871, 1872, Watson's Report. 



Pentstemon c^eruleus, Nutt. (Watson, I. c. p. 218). — Denver, Colo., 



1873, Wolf (291, 296). 



Pentstemon acuminaius, Dougl. (Watson, I. c. p. 218). — South Park, 

 Colorado, 1873, Wolf (302). 



Pentstemon secundiflorus, Benth. (DC. Prod. 10, p. 325). — Glabrous, 

 pale and somewhat glaucous, l-2£ feet high ; radical leaves petioled, 

 elliptic-spatulate or narrowly lanceolate, obtuse or acute, upper ones lance- 

 olate or linear-lanceolate, sessile, middle ones 3 to 4 inches long, erect : 

 thyrsus elongated, narrow, 6 to 9 inches long, interrupted ; cymes secund, 

 few- to many-flowered; segments of the calyx oval-oblong, acute or acutish. 

 with membranous margins ; tube of the corolla more or less abruptly 



