FIGWORT FAMILY 



219 



erect branches ending in elonga- 

 ted loose panicles. Lower leaves 

 spatulate; upper leaves sessile, 

 narrowly lanceolate, entire, 34 to 

 V/2 in. long, J4 m - wide. Corolla 

 bluish purple, with 2 oblong 

 white patches on throat, 1 in. 

 long, inflated above a narrow 

 tube, lips nearly equal. Sterile 

 filament glabrous. — The most 

 common species at middle alti- 

 tudes, giving brilliant color to 

 dry, rocky slopes; often mistaken 

 for P. heterophyllus Lindl., a species 



6. P. roezli Regl. Much like no. 5 



1 ft. high, the shorter panicles more 

 light-blue or violet corolla only J / 2 to 2 /$ in. long. 

 Valley. Rare. 



7. P. azureus Benth. Azure Pentstemon. Plant 9 in. to 



2 ft. high, with many stiffly erect branches from a creeping 

 woody base. Leaves linear or linear-lanceolate, J^ to \% in. 

 long, entire, acute. Corolla azure-blue, about 1 in. long, 

 dilating above the short tube to a broad throat, the lips about 

 equal. Sterile filament glabrous. — Rare: White Wolf; Yo- 

 semite Valley in a narrow-leaved form (var. angustissitnus 

 Gray) ; the opposite extreme is var. jaffrayanus Gray, a form 

 with broader leaves, the lower spatulate, the upper ovate or 

 oblong, y^ to y 2 in. wide, obtuse or almost heart-shaped at the 

 broad base. 



of the Coast Ranges, 

 but seldom more than 

 densely flowered, and 

 -Yosemite 



4. MIMULUS. Monkey-flower. 

 Annual or perennial herbs with showy yellow red or pur- 

 plish flowers. Calyx prismatic, 5-angled and 5-toothed (in 

 one species deeply 5-parted). Corolla 2-lipped, obscurely so 

 in some species. Stamens 4, with no rudiment of a fifth. 



A. Flowers yellow (upper lip purple in M. angustatus). 

 Leaves basal; flowers nearly sessile, half yellow, half 



purple 18. M. angustatus. 



Leaves all near the base; flowers solitary, terminating 



the naked erect pedicel 1. M. primuloides. 



Leaves scattered; flowers in bracted racemes, panicles, 



or whorls. 

 Plant glabrous or nearly so. 



Leaves ovate, merely toothed 2. M. luteus. 



Leaves lanceolate, pinnately parted into small lobes. 3. M. laciniatus. 



