FIGWORT FAMILY 699 



ridges yellow and finely pubescent, its orifice open and the spreading lobes notched; anthers 

 ciliate ; capsule 6 mm. long, dehiscing through septum-apex. 



Moist sandy soil, openings in coniferous forest, Transition Zones; lower slopes .of Sierra Nevada, Mari- 

 posa County to Tulare County, California. Type locality: Mariposa, California. May-July. 



13. Mimulus acutidens Greene. King's River Monkey-flower. Fig. 4533. 



Mimulus acutidens Greene, Bull. Calif. Acad. 1: 117. 188S. 



Annual glabrous herb, the stems erect or decumbent, 0.5-2 dm. tall. Leaf-blades broadly 

 ovate, denticulate, 3-5 nerved, sessile, the largest 1-2 cm. long, the lowermost smaller and 

 slightly petioled; pedicels becoming 10-23 mm. long; calyx 7-9 mm. long, plicate-angled, its 

 lobes 0.5-0.7 mm. long, subulate-tipped, ciliolate; corolla 13-17 mm. long, purple, the throat 

 cylindric, its 2 ventral ridges yellow and waxy-puberulent, its orifice open and the spreading 

 lobes notched ; anthers ciliate ; capsule 6 mm. long, dehiscing slightly through septum-apex. 



Moist soil. Transition Zones; lower Sierra Nevada in Fresno and Tulare Counties, California. Type 

 locality: Kings River Mountains, California. April-July. 



14. Mimulus bicolor Hartw. Yellow-and-white Monkey-flower. Fig. 4534. 



Mimulus bicolor Hartw. ex. Benth. PI. Hartw. 328. 1849. 

 Mimulus Prattenii Durand, Journ. Acad. Phila. II. 3: 98. 1855. 



Annual glandular-pubescent herb, the stems ascending or erect, 1-2.5 dm. tall. Leaf -blades 

 oblanceolate, denticulate to dentate, attenuate to sessile, or the lowest to semipetiolate bases, 

 the mid-cauline blades 1.5-3 cm. long, the basal leaves often larger and wider, though at times 

 small and ephemeral; pedicels becoming 10-25 mm. long; calyx 9-10 rnm. long, strongly ridge- 

 to wing-angled, corky-ribbed, its lobes 1-2 mm. long, lance-subulate, eciliate ; corolla 15-20 mm. 

 long, yellow, the throat campanulate, its 2 ventral ridges sharp, with brown spots and densely 

 set clavate hairs, its orifice open and the lobes spreading, the upcurved upper ones usually white ; 

 anthers ciliate ; capsule 5 mm. long, not dehiscing through septum-apex. 



Moist banks and open places, Transition Zones; lower slopes of Sierra Nevada from Shasta County to 

 Tulare County, California. Type locality: "Sacramento Mountains," California. April-June. 



15. Mimulus Biolettii Eastw. Hetch-Hetchy Monkey-flower. Fig. 4535. 



Mimulus Biolettii Eastw. Proc. Calif. Acad. III. 2: 290. 1902. 



Annual glandular-pubescent herb, the stems erect or ascending, 1-1.5 dm. tall. Leaf-blades 

 oblanceolate, entire or slightly denticulate, attenuate to sessile, or the lowest to semipetiolate 

 bases, the mid-cauline blades 1.5-2 cm. long, the basal leaves little or not larger; pedicels be- 

 coming 10-25 mm. long ; calyx 9-10 mm. long, strongly wing-angled, corky-ribbed, its lobes 1-2 

 mm. long, lance-subulate, eciliate; corolla 15-20 mm. long, rose-purple, the throat campanulate, 

 dark purple, its 2 ventral ridges yellow and finely pubescent, distally confluent in yellow area, its 

 orifice open and the lobes all spreading and notched ; anthers finely pubescent ; capsule 6 mm. 

 long, not dehiscing through septum-apex. 



Wet granitic sand. Transition Zones; lower slopes of Sierra Nevada in Tuolumne and Mariposa Counties, 

 California. Type locality: Hetch-Hetchy Valley, Tuolumne County, California. May-July. 



16. Mimulus filicaiilis S. Wats. Slender-stemmed Monkey-flower. Fig. 4536. 



Mimulus filicaulis S. Wats. Proc. Amer. Acad. 26: 125. 1891. 



Annual sparsely glandular-pubescent herb, the stem erect, 0.9 dm. tall. Leaf-blades shorter 

 than internodes. elliptic to narrowly oblong, 1-1.5 cm. long, cuneate to sessile bases; pedicels 

 10-15 mm, long; calyx in anthesis 5 mm. long, plicate-angled, its lobes acute or acutish, about 

 1 mm. long, the uppermost nearly 2 mm. long; corolla 15-17 mm. long, purple, the throat 

 campanulate, ventrally pubescent, its 2 ventral ridges yellow and with deep purple spots, its 

 orifice open and the lobes spreading ; anthers finely hairy ; capsule not seen. 



Moist soil, Canadian or Hudsonian Zone; upper slopes of Sierra Nevada in Mariposa County, California. 

 Type locality: Snow Creek, Mariposa County. May-June. 



17. Mimulus discolor Grant. Parti-colored Monkey-flower. Fig. 4537. 



Mimulus discolor Grant, Ann. Mo. Bot. Gard. 11: 257. 1925. 



Annual finely glandular-pubescent herb, the stems erect, 0.3-0.9 dm. tall. Leaf-blades 

 narrowly oblanceolate to nearly linear, entire, sessile, the larger blades 1-2 cm. long; pedicels 

 becoming 8-20 mm. long; calyx 6-8 mm. long, slightly ridge-angled, its lobes 1-1.5 mm. long, 

 ovate, ciliate; corolla 13-15 mm. long, yellow, the throat narrowly campanulate, ventrally and 

 over lower lip finely pubescent, its 2 ventral ridges with denser clavate hairs, its ventral side 

 with maroon dots or patches, its orifice open, the ascending upper lobes pale yellow or whitish; 

 anthers obscurely pubescent ; capsule 5-7 mm. long, dehiscing through septum-apex. 



Moist sandy or gravelly soil. Transition and Canadian Zones; lower slopes of Sierra Nevada and moun- 

 tains southward, Tuolumne County to Kern County, California. Type locality: Piuite ("Pah Ute") Peak, 

 southeastern California. June— July. 



18. Mimulus Palmer i A. Gray. Palmer's Monkey-flower. Fig. 4538. 



Mimulus Palmeri A. Gray, Proc. Amer. Acad. 12: 82. 1876. 



Annual finely glandular-pubescent herb, the stems erect, 0.5-1.5 dm. tall. Leaf-blades 

 narrowly elliptic- or oblanceolate-oblong, denticulate to entire, sessile (except the diminutive 



