1134 ADDITIONS AND CORRECTIONS 



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long; stem-leaves lanceolate, clasping, 7-9 cm. long, about 1 cm. wide; 

 inflorescence narrow, secund; sepals 8-12 mm. long, ovate-lanceolate, 

 caudate, with broad scarious margins, minutely glandular-jjuberulent; 

 corolla 3 cm. long, glabrous, blue, the tube narrow, the throat inflated; 

 anthers densely pul)escent with rather short hairs, opening partially. 

 Aspen slopes: n. Utah. Mont. Au-S. 



14b. Pentstemon Garrettii Pennell. Stems several, 2-4 dm. 

 high, sparingly glandular in the inflorescence; leaves dull green, somewhat 

 glaucous, glabrous, the lower petioled, lanceolate, acute, 6-7 cm long; 

 stem-leaves narrowly lanceolate, 6-10 cm. long, clasping; inflorescence 

 narrow, secund; sepals 4-6 mm. long, ovate, with an acuminate tip and 

 broad, white, scarious, irregularly denticulate margins, finely glandular- 

 puberulent; corolla about 20 mm. long, blue, glabrous without and within, 

 anther-cells pubescent on the sides with short white hairs, opening nearlj- 

 throughout. Crevices of rocks: Utah. Submont. Jl. 



14c. Pentstemon Caryi Pennell. Stem 1 dm. high, glabrous 

 throughout, pur])lish, glaucous; leaves pale green, glabrous, the lower ones 

 petioled, narrowly lanceolate, obtuse, 7 cm. long; stem-leaves linear, 

 4-5 cm. long, 2-3 mm. wide; inflorescence narrow, strongly secund; 

 sepals 5 mm. long, ovate, with long-acuminate tip, nearly equalling the 

 body, with white scarious margins, glabrous; corolla 15 mm. long, glabrous 

 without and within, the throat inHated; anther-cells pubescent on the 

 side with white hairs, opening throughout. Mountains: Wyo. Subitiuiit. 

 Je. 



14d. Pentstemon mensarum Pennell. Stem 4-5 dm. high, finely 

 glandular-puljescent in the inflorescence; leaves dull green, glabrous, 

 the basal ones petioled, obtuse, oblong, 5-6 cm. long; stem-leaves oblan- 

 ceolate, the upper clasping, up to 8 cm. long; inflorescence lax, secund; 

 sepals 4 mm. long, oblong-ovate, with obscure whitish margins, finely 

 glandular-puberulent without, the throat somewhat inflated; anther-celfs 

 opening nearly the whole length, pubescent on the sides with short white 

 hairs. Claj'ey soil: Colo. Jl. 



769 Under P. cymiantJius msert: Pcntstevion cycmanthus suhglakcr (A. Gray) 

 Pennell, a variety with narrower leaves and somewhat puberulent stems, 

 has been transferred from P. Fremontii si(bglober A. Gray. 



769 After P. speciosus insert: 



19a. Pentstemon leiophyllus Pennell. Stems 1.5-6 dm. high, sUghtly 

 glaucous; leaves dull green, the lower petioled, 10-13 cm. long, 1.3-2 cm. 

 wide; .stem-leaves clasping, narrow; inflorescence narrow, secund; sepals 

 6-7 mm. long, lanceolate, acuminate, scarcely scarious-margined, glan- 

 dular puberulent; corolla 25-30 mm. long, glandular puberulent without, 

 blue, the throat decidedly inflated; anther-cells distinct, glabrous, opening 

 throughout; sterile filament scarcely enlarged. Gravelly slopes; sw Utah., 

 769 Under P. perpulcher, transfer the synonym P. payetensis to Pentstemon 

 cyananthns, and after the same insert; 



22a. Pentstemon magnus Pennell. Stems several, about 4 dm. high, 

 glabrous, glaucous; lower leaves 7-12 cm. long, 1.5 cm. wide, narrowed 

 below; stem-leaves lanceolate, sessile; inflorescence narrow; sepals 6-7 mm. 

 long, ovate, acuminate, with scarious denticulate margins; corolla 25-27 

 mm. long, glabrous without and within, the throat strongly inflated; 

 anther-cells opening nearly throughout, glabrous, minutely ciliate only 

 on the suture. Open ground: n. Colo. Jl. 



22b. Pentstemon laevis Pennell. Stem 4-7 cm. high, glabrous and 

 glaucous; leaves pale dull green, glaucous, glabrous, the lower petioled, 

 obovate or ovate, obtuse; stem-leaves clasping; inflorescence narrow, 

 secund; sepals 4-7 nmi. long, broadly ovate, abruptly acuminate, with 

 broad erose-denticulate scarious margins, glabrous; corolla 2-3 cm. long, 



