SPECIES OF PBNTSTBMON. 161 



New Species of Pentstemon. 



P. CIKEEASCENS. SufErutesceiit, decumbent and low, the 

 woody base producing sterile leafy branches, and others florife- 

 rous, the leaves and growing parts canescently and retrorsely 

 short-pubescent ; leaves an inch long or less, oblanceolate taper- 

 ing to a narrow petiole, all entire, acute : inflorescence loose ; 

 pedicels and sepals hirtellous, the latter obovate-oblong to 

 oblong-lanceolate, strongly striate, loosely ciliate : corolla 

 purple, i inch long, narrow, strongly bilabiate : sterile filament 

 glabrous. 



Douglas Co., Nevada, June, 1902, C. F. Baker, n. 1144 as in 

 U. S. Herb. 



P. CHIONOPHILUS. Allied to P. confertus and with equally 

 congested inflorescence of small dark-purple corollas, but plant 

 low and sufErutescent, with many decumbent woody branches, 

 the whole plant barely 6 or 8 inches high, all the parts glabrous: 

 leaves I to li inches long, mostly obovate-spatulate, the very 

 lowest oblanceolate and petiolnte, all entire, obtuse, mucronu- 

 late : sepals very short, obovate, subtruncate and cuspidate, the 

 margins slightly scarious : corolla less than } inch long, with 

 long tube subcylindric and limb very short. 



Snow Valley, Ormsby Co., Nevada, C. P. Baker, 8 July, 1903, 

 n. 1278 as in U. S. Herb. 



P. LACBRBLLUS. Allied to P confertus, stouter, more leafy, 

 glabrous, not glaucous ; lowest leaves elliptic-lanceolate, the 

 upper lanceolate, all entire, acute, IJ to 3 inches long: thyrsus 

 short, crowded and flowers small ; both the leafy bracts of the 

 inflorescence and the sepals with broad scarious margins that 

 are deeply lacerate : corollas purple, less than h inch long, the 

 tube narrow-funnelform and segments not small. 



At Sargents', southern Colorado, 5 July, 1901, C. P. Baker, 

 n. 352 as in TJ. S. Herb. 



P. LATiUSOULUS. Near the last but very stout and large, 14 



Lbaflktb, Vol. i. pp. 161-176. Jan. 23, 1906. 



