FIGWORT FAMILY 719 



anthers glabrous ; stigmas equal, ciliolate ; capsule 8-9 mm. long, upcurved and distally exserted, 

 dehiscing much farther dorsally and splitting septum to base. 



Banks and gulches, Upper Sonoran Zone; Snake River valley of eastern Oregon and adjacent Idaho. Type 

 locality; near South Clearwater, Idaho. May-July. 



73. Mimulus Cusickii (Greene) Piper. Cusick's Monkey-flower. Fig. 4593. 



Mimulus Bigclovii var. ovatxis A. Gray, Syn. Fl. N. Amer. ed. 2. 2^: 445. 1886. 



Eunanus Cusickii Greene, Pittonia 1 : 36. 1887. 



Mimulus Cusickii Piper, Contr. U.S. Nat. Herb. 11: 508. 1906. 



Annual herb, glandular-pubescent or -puberulent, with aromatic odor, the stems erect, 0.5-3 

 dm. tall. Leaf-blades elliptic or oblanceolate, acute to usually acuminate or cuspidate, entire, 

 longitudinally veined, cuneate to sessile bases; pedicels 1-3 mm. long, much shorter than the 

 wide subtending leaves; calyx becoming 10-12 mm. long, wing-angled and somewhat plicate, 

 its lobes slightly unequal, ovate-acuminate to -cuspidate, 2-3 mm. long ; corolla 20-30 mm. long, 

 purple, internally ventrally with 2 ridges, on and between which densely pubescent and yellow 

 margined by deep (rhodamine-)purple, and with short rods of this color, its lobes rounded to 

 truncate; anthers glabrous or nearly so; stigmas equal, ciliolate; capsule 11-13 mm. long, up- 

 curved and distally exserted, dehiscing throughout dorsally and splitting septum to base. 



Sandy and rocky slopes. Transition Zones; interior plateau of Oregon and western Idaho. Type locality: 

 Malheur River, southeastern Oregon. May-Sept. 



74. Mimulus microphyton Pennell. Tiny Purple Monkey-flower. Fig. 4594. 



Mimulus microphyton Pennell, Proc. Acad. Phila. 99: 169. 1947. 



Annual herb, minutely pubescent, the glandular-pubescent stems erect, 1-2 cm. tall. Leaf- 

 blades elliptic, obtuse to rounded, entire, longitudinally veined, narrowed to sessile bases ; pedicels 

 1-2 mm. long; calyx in anthesis 5-6 mm. long, wing-angled and somewhat plicate. Corolla 

 10-13 mm. long, purple, internally ventrally somewhat pubescent, slightly dark-spotted, and 

 with 2 low yellow ridges, its lobes rounded to truncate ; anthers ciliate ; stigmas equal, ciliolate. 



Wet banks. Transition Zones; Columbia River valley east of the Cascade Range in central Washington. 

 Type locality: Tumwater Canyon, near Leavenworth, Chelan County, Washington. May-June. 



75. Mimulus nanus Hook. & Arn. Dwarf Purple Monkey-flower. Fig. 4595. 



Mimulus nanus Hook. & Arn. Bot. Beechey 378. 1838. 

 Eunanus Tolmiei Benth. in A. DC. Prod. 10: 374. 1846. 

 Eunanus Austinae Greene, Pittonia 1: 36. 1887. 

 Eunanus nanus Holz. Contr. U.S. Nat. Herb. 3 : 244. 1895. 

 Mimulus Tolmiei Rydb. Mem. N.Y. Bot. Card. 1: 351. 1900. 

 Mimulus Austinae Grant, Ann. Mo. Bot. Gard. 11: 296. 1925. 



Annual herb, minutely glandular-pubescent, the stems erect, 1-12 cm. tall. Leaf-blades 

 elliptic-oblanceolate, obtuse or rounded, entire, obscurely longitudinally veined, cuneate-attenuate 

 to sessile (or lower slightly petioled) bases; pedicels becoming 2-4 mm. long; calyx becoming 

 7-9 mm. long, obscurely to evidently ridge-angled, its lobes equal or uppermost slightly the 

 longest, triangular-ovate to -acuminate, 2 mm. long; corolla 13-20 mm. long, purple (or very 

 rarely yellow), internally ventrally finely pubescent and with 2 yellow ridges, between and on 

 which mottled or spotted with deep purple, its lobes spreading, the upper pair larger ; anthers 

 minutely pubescent or glabrescent; stigmas equal, glandular-ciliolate ; capsule 7-11 mm. long, 

 dehiscing throughout dorsally and splitting septum to base. 



Gravelly or sandy soil, often on pumice. Upper Sonoran and Transition Zones; southern Washington to 

 northern California, east to Yellowstone Park and northeastern Nevada. Type locality: southern Idaho. May- 

 July. 



76. Mimulus Jepsonii Grant. Jepson's Monkey-flower. Fig. 4596. 



Mimiilus Jepsonii Grant, Ann. Mo. Bot. Gard. 11: 306. 1925. 

 Mimulus microcarpus Pennell, Notulae Naturae No. 71: 1. 1941. 



Annual minutely glandular-pubescent herb, the erect stems 1-10 cm. tall. Leaves remotely 

 placed or distally clustered, their blades oblong- to linear-lanceolate, obtuse, entire, obscurely 

 longitudinally veined, attenuate to slightly petioled bases ; pedicels 1-2 mm. long ; calyx becoming 

 4-5 mm. long, ridge-angled (angles green and pubescent, with intervening surface pale and 

 nearly glabrous), its lobes ovate- to lance-acuminate, 1.5-2 mm. long; corolla 9-12 mm. long, 

 dull purple, internally pilose on lips (especially lower) and ventrally with 2 yellow ridges (yellow 

 with dark purple spots and similar margins) ; anthers glabrous ; stigmas equal or nearly so, 

 ciliolate; capsule 4.5-5.5 mm. long. 



Bare gravelly or sandy soil in coniferous forest, Canadian Zone; Cascade Mountains from Douglas County, 

 southern Oregon, to Lassen County, northern California. Type locality: Twin Lakes, Lassen County, California. 

 June-Aug. 



77. Mimulus mephiticus Greene. Skunky Monkey-flower. Fig. 4597. 



Mimulus mephiticus Greene, Bull. Calif. Acad. 1(1) : 9. 1884. 

 Eunanus mephiticus Greene, op. cit. 102. 1885. 



Annual herb, coarsely glandular-pubescent with a strong mephitic odor, the stems erect, 2-10 

 cm. long. Leaf-blades oblanceolate to linear-oblanceolate, obtuse, entire, longitudinally veined, 



