210 BOTANY. 
Maurandia antirrhiniflora, Willd. DC. Prod. 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 6 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; 1874, Rothrock (93 a); Cottonwood, Arizona, 
at 4,500 feet elevation, July, 1874, Rothrock (353); Camp Crittenden, 
September, 1874, Rothrock (680). 
ScRoPHULARIA Nnoposa, Linn. (Gray’s Man. p. 327)—Mount Graham, 
Arizona, at 9,250 feet elevation, August, 1874, Rothrock (410). 
CoLLINsIA PARVIFLORA, Dougl. (Gray’s Man. p. 327).—Nevada, 1871, 
1872, Watson’s Report; Apex, Colo, 1873, Wolf (828). 
PenTsTEMON BARBATUS, Nutt., var. Torrey!, Gray (Watson’s, Bot. King, 
p. 452).—Arizona, 1873, Loew (304). 
Peytstemon BarBatus, Nutt., var. TRICHANDER, Gray (Proc. Am. Acad. 
11, p. 94)—Anthers sparingly bearded with long wool.—Zuni Mountains, 
New Mexico, at 7,000 feet elevation, July, 1874, Rothrock (151). 
PENTISTEMON GLABER, Pursh (Watson, 1. 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 Fremont, T. & G. (Watson, J. c. p. 218)—Nevada and 
Utah, 1871, 1872, Watson’s Report. 
PentsTeMon caRULEUS, Nutt. (Watson, J. ¢. p. 218).—Denver, Colo., 
1873, Wolf (291, 296). 
PENTSTEMON Acuminat1US, Dougl. (Watson, J. c. p. 218)—South Park, 
Colorado, 1873, Wolf (302). 
PENTSTEMON SECUNDIFLOKUS, Benth. (DC. Prod. 10, p. 325)—Glabrous, 
pale and somewhat glaucous, 1-2} 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 
