722 SCROPHUL.ARIACEAE 



82. Mimulus leptaleus A. Gray. Least-flowered Monkey-flower. Fig. 4602. 



Mimulus leptaleus A. Gray, Prgc. Amer. Acad. 11: 96. 1876. 

 Eunanus leptaleus Greene, Bull. Calif. Acad. 1: 101. 1885. 



Annual glandular-pubescent herb, blackening in drying, the stems erect, 1-9 cm. tall. Leaves 

 bunched near stem-apices, their blades linear-oblanceolate, acutish to obtuse, entire, longitudinally- 

 veined, cuneate to sessile or slightly petioled bases ; pedicels 1-2 mm. long ; calyx becoming 3-4 

 mm. long, scarcely ridged, intervening surface pale or scarious and glabrescent, its lobes equal 

 or nearly so, distally linear-attenuate, 1 mm. long; corolla 5-7 mm. long, purple, ventrally yellow, 

 internally glabrous and ventrally distally white with dark purple lines and spots, its lobes occa- 

 sionally also yellow, rounded, the lowermost notched ; anthers glabrous ; stigmas equal, lobulate- 

 fimbriate ; capsule 5 mm. long, dehiscing throughout both dorsally and ventrally and splitting 

 septum to base. 



Sandy or gravelly granitic soil, Boreal Zones; Sierra Nevada from Nevada County to Tulare County, Cali- 

 fornia, and on Mount Rose in adjacent Nevada. Type locality: south of the Yosemite, in the Sierra Nevada, 

 California. June-Aug. 



83. Mimulus Fremontii (Benth.) A. Gray. Fremont's Monkey-flower. Fig. 4603. 



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

 Mimulus Fremontii A. Gray, Bot. Calif. 1 : 565. 1876. 



Annual herb, glandular-pubescent, often villosely so, the stems erect, 0.1-2 dm. tall. Leaf- 

 blades oblanceolate or oblong-lanceolate, obtuse, slightly dentate to entire, longitudinally veined, 

 cuneate to sessile bases ; pedicels 2-A mm. long ; calyx becoming 8-10 mm. long, strongly wing- 

 ridged, narrow intervening troughs pale and glabrescent, its lobes acuminate to slightly caudate, 

 the uppermost 2-3 mm. long, the other pairs 1.5-2 mm. long; corolla 20-25 mm. long, purple, 

 externally pubescent, internally glabrous except for minute hairs on the 2 yellow ventral ridges, 

 its throat internally dorsally and laterally dark purple but ventrally yellow and purple-spotted, 

 its lobes truncate-rounded and slightly retuse ; anthers glabrous ; stigmas equal, ciliolate ; cap- 

 sule 8-10 mm. long, dehiscing throughout dorsally and splitting septum to base. 



Sandy soil. Upper Sonoran Zone; Coast Ranges and western Mojave Desert, San Benito County to San 

 Bernardino County, California, southward to northern Lower California. Type locality: southern California 

 (erroneously stated as Rocky Mountains). April-June. 



84. Mimulus constrictus (Grant) Pennell. Dense-fruited Monkey-flower. 



Fig. 4604. 



Mimulus subsecundus var. constrictus Grant, Ann. Mo. Bot. Gard. 11: 287. 192S. 



Annual herb, finely glandular-pubescent and also usually minutely villose with glandless 

 hairs, the stems erect, 0.5-3 dm. tall. Leaf-blades oblanceolate or elliptic-lanceolate, acute or 

 acutish, entire to sinuately denticulate, longitudinally veined, long-cuneate to sessile bases ; 

 pedicels 2^ mm. long; calyx becoming 10-12 mm. long, wing-ridged, intervening surface pale 

 and glabrescent, its lobes caudate-attenuate, the uppermost slightly the longest, 2.5-3 mm. long; 

 corolla 18-23 mm. long, purple, internally ventrally finely pilose distally and with 2 yellow 

 ridges, on and between which are dark purple spots, its lobes rounded ; anthers minutely pubes- 

 cent ; stigmas equal, ciliolate ; capsule 8 mm. long, dehiscing throughout dorsally and splitting 

 septum to base. 



Coarse sand, usually granitic. Transition Zones; low mountains and foothills of the southern Sierra Ne- 

 vada, Inyo and Tulare Counties to Ventura County, California. Type locality: near Middle Tule River, California. 

 May-July. 



85. Mimulus Layneae (Greene) Jepson. Layne's Monkey-flower. Fig. 4605. 



Eunanus Layneae Greene, Bull. Calif. Acad. 1: 104. 1885. 

 Mimulus Layneae Jepson, Fl. W. Mid. Calif. 405. 1902. 



Annual glandular-pubescent herb, the stems erect, 1-2 dm. tall. Leaf-blades oblanceolate, 

 obtuse or obtusish, slightly dentate to entire, longitudinally veined, long-cuneate to sessile bases ; 

 pedicels 1-2 mm. long; corolla 13-20 mm. long, purple, externally pubescent, internally dorsally 

 dark purple, ventrally with 2 slightly pubescent ridges and distally white with purple spots, its 

 rounded lobes each with deep purple median line; anthers ciliate; stigmas fimbriolate, some- 

 what unequal ; capsule 7-9 mm. long, dehiscing throughout dorsally and splitting septum to base. 



Sandy or gravelly places. Upper Sonoran and Transition Zones; in North Coast Ranges from Humboldt 

 County to Napa County, and from Siskiyou County south along the Sierra Nevada to Fresno County, California. 

 Type locality: Bartlett Mountain, Lake County, California. May-Aug. 



86. Mimulus viscidus Congdon. Viscid Monkey-flower. Fig. 4606. 



Mimulus viscidus Congdon, Erythea 7: 187. 1900. 



Mimulus subsecundus var. viscidus Grant, Ann. Mo. Bot. Gard. 11 : 286. (January) 1925. 



Mimulus Fremontii var. viscidtts Jepson Man. Fl. PI. Calif. 924. (September) 1925. 



Annual coarsely glandular-pubescent herb, the stems erect, 1.5-3 dm. tall. Leaf-blades nar- 

 rowly elliptic, obtuse, slightly dentate to entire, pinnately veined (with lowest veins elongated), 

 narrowed to sessile bases ; pedicels 2-3 mm. long ; calyx 9-12 mm. long, plicately wing-ridged 

 with only a narrow pale and glabrescent line between the green glandular-hairy ridges, its lobes 

 acute to acuminate, or the uppermost longest one obtuse; corolla 20-25 mm. long, purple, ex- 

 ternally pubescent, internally dorsally and laterally white, ventrally with 2 sharp stiffly hairy 



