402 SCEOPHULAEIACEJB. 



Coast Range canons along streams: Vaca Mountains, Solano Co. 

 and northwestward. Also in the Sierra Nevada: Bear Valley (Placer 

 Co.) and northward. Aug.-Sept. Stems of the season glaucous. 



4. P. centranthifolius Benth. Soaklet Buglbr. Herbaceous, 

 glaucous, 1 to 3 ft. high; leaves ovate to oblong-lanceolate, IJ to 2^ 

 in. long, with subcordate clasping base; pedicels slender, J in. long 

 or less; sepals round-ovate; corolla about 1 in. long, bright ver- 

 milion, tubular, hardly bilabiate, the segments nearly equal, except 

 that the two upper are united higher; sterile filament naked; capsule 

 6 or 7 lines long, including the persistent portion of the style. 



Coast Range oliifs: Dunn's Peak, Solano Co.; Monterey Co., Alice 

 King, and southward to Southern California; also found on the 

 Antioch sandhills, Davy. Apr. 



5. P. heterophyllus Lindl. Minutely puberulent; of bushy or 

 tufted habit, the stems erect or ascending, many from the base, 1 to 

 IJ ft. high; leaves linear to lanceolate or broader, IJ in. long or less; 

 sepals ovate, acuminate; corolla rather abruptly ventricose-dilated 

 above the narrowly tubular base, 1 to IJ- in. long, blue or purple; 

 upper lip short, more or less reflexed, lower longer, spreading; sterile 

 filament naked. 



Open places in the Coast Range hills, or even in stream beds. 

 May-June. Mostly with reddish stems. Also distinguishable by 

 its sagittate or horseshoe-shaped and ciliate anthers which dehisce 

 from the apex only to the middle (subgenus Saccanthera), the pre- 

 ceding species with divaricate or divergent anther cells, which dehisce 

 their whole length or nearly (subgenus Eupentstemon). 



8. DIPLACUS Nutt. 



Evergreen glutinous shrubs with branching pubescence and oppo- 

 site leaves which are revolute in the bud. Flowers red, orange or 

 salmon-colored, solitary in the axils. Calyx tubular, 5-angled, 

 5-toothed. Corolla with funnelform tube and rather broad bilabiate 

 limb. Stamens 4. Stigma of two flat lobes, closing together 

 when irritated. Capsule firm-coriaceous, linear-oblong, included 

 in the calyx, with a woody enlargement at the pointed apex, opening 

 down the upper suture only or mtiinly, the valves spreading out 

 nearly flat and bearing the placentae on their middle. 



1. D. glutlnosus Nutt. Bush Monkey-plower. Low shrub, 

 2 to 4 ft. high; leaves oblong-lanceolate, revolute, denticulate, gla- 

 brous and deep green above, pubescent beneath with branching hairs; 

 corolla buff or salmon-color, IJ in. long or more, ihe throat narro*- 

 funnelform, the lobes emarginate, with more or less irregular margin. 



Common on caiion sides everywhere in the Coast Ranges. May- 

 Sept. 



9. MIMULUS L. MoSfKEY-F LOWER. 



Herbs with opposite leaves. Flowers mostly showy, yellow or 

 red, solitary and axillary, or in terminal racemes. Calyx prismatic, 

 5-angled, 5-toothed. Corolla from tubular to funnelform, with 



