Pentstemon. SCROPHULARIACE^. 557 



++ Corolla red, long and narrow-tubular (an inch or more in Icnf/fit) ; the upper lip 

 erect; lower more or less spreading: inflorescence somewhat ghutdular, paniculate 

 or cymose : sterile filament bearded down one side. 



2. P. cordifolius, Benth. Scrambling' over bushes by long sarmentose branches 

 to several feet in height, scabrous-puberulent, very leafy : leaves somewhat cordate, 

 or some ovate with a truncate base, mostly acute and serrate or denticulate with 

 sharp salient teeth : the veins impressed on the upper and prominent on the lower 

 face : flowers in a somewhat leafy panicle : peduncles divaricate : calyx-lobes ovate- 

 lanceolate: corolla scarlet (an inch and a half long, the upper lip over half an 

 inch). 



Towards the coast, from Los Angeles to Santa Barbara. Sterile filament densely yellowish- 

 bearded from the apex for some distance downward. 



3. P. corymbosus, Benth. Lower than the foregoing, a foot or two high, soft- 

 pubescent or nearly glabrous, leafy to the tip : leaves oblong or oval, obtuse, acute 

 or acutish at base, slightly and sparsely denticulate (half an inch to nearly 2 inches 

 long), the veins disposed to be parallel : flowers few or rather numerous in a close 

 corymbiform terminal cyme : calyx-lobes linear-lanceolate : corolla scarlet (an inch 

 long). — Torr. Bot. Wilkes Exp. 395. 



Shasta Co. to Santa Cruz ; first collected by Coulter (small branches or dejianperate specimens), 

 but the station unknown. Nearly related to the preceding ; the sterile filament about etiually 

 bearded above and sparsely so lower down. 



4. P. ternatUS, Torr. Glabrous, the long virgate shoots glaucous, 2 to 4 feet 

 high : leaves linear-lanceolate, serrate or denticulate with sharp rigid teeth, all but 

 the uppermost in whorls of three : flowers in a more naked long and narrow virgate 

 panicle : calyx-lobes ovate or broadly lanceolate : corolla pale scarlet (an inch long, 

 the lobes or hps 3 lines long). — Bot. Mex. Bound. 115. 



Mountains east of San Diego {Parry, Cleveland), and Fort Tejon, Xantus. 



++ -i-i- Corolla more or less xjellow or tinged xoith purple {half to tivo thirds of an inch 

 long), the tube much shorter than the widelg guj'ing lijix, of ivhich the iq-)per is arch- 

 ing and merely notched, and the lower peiiduloui^-rec ur oed. 



5. P. breviflorus, Lindl. Glabrous, 3 to 6 feet high, with long and slender 

 flowering branches, leafy up to the panicle : leaves only opposite, lanceolate, some- 

 times ovate-lanceolate, denticulate : peduncles few - several-flowered, racemose- 

 panicled : calyx-lobes ovate-lanceolate and acuminate : corolla yellowish or flesh- 

 colored, striped within with pink, externally especially the upper lip beset with 

 some long and rather viscid beard-like hairs ; these sometimes on the calyx also : 

 sterile filament naked. — Bot. Reg. t. 1946. 



Dry hills and banks, throughout the foot-hills of the Sierra Nevada and the Coast Range. 



6. P. antirrhinoides, Benth. Very minutely puberulent or cinereous, or gla- 

 brous, difl'usely much branched and spreading, 1 to 5 feet high, very leafy : leaves 

 thickish, spatulate-oblong or oval, entire (seldom half an inch long, not diminishing 

 upwards) : peduncles 1-flowered, terminating leafy paniculate branches and in the 

 upper axils : calyx-lobes roundish-ovate : corolla very broad for its length, pure 

 lemon-yellow : short sterile filament very densely bearded on one side. — Hook. 

 Bot. Mag. t. 6157. P. Lobbii, of the gardens, Illust. Hort. 1862, t. 315. 



Southern part of the State, not rare about San Diego and San Pascual. Peculiar for its clear 

 yellow flowers. 



-i-¥ ■^+-^+ Corolla fl.esh-color or purplish [half an inch long); the tuhe and throat longer 

 than the short spreading lips. 



7. P. Lemmoni, Gray. Two to 4 feet high, slender ; the virgate simple branches 

 rather leafy, and whole plant glabrous up to the pedicels : leaves ovate-lanceolate. 



