726 SCROPHULARIACEAE 



95. Mimulus mohavensis Lemmon. Mojave Monkey-flower. Fig. 4615. 



Mimulus mohavensis Lemmon, Bot. Ga.z. 9: 142. 1884. 

 Eunanus mohavensis Greene, Bull. Calif. Acad. 1 : 106. 1885. 



Annual herb, finely pubescent with short hairs, of which a few are glandiferous, the stem 

 erect, 4-7 cm. tall. Leaf-blades elliptic-lanceolate, acute or acutish, entire, longitudmally 

 veined from near base, with longer softer hairs above, attenuately narrowed to sessile bases; 

 pedicels 2-3 mm. long ; calyx 10-12 mm. long, plicate-ridged, intervening glabrescent surface 

 nearly as wide as the puberulent ridges, its lobes acuminate-attenuate, ciliate, the uppermost 

 3-4 mm. long, the lowest pair only 2-2.5 mm. long; corolla 13-15 mm. long, externally glandular- 

 pubescent, its tube-throat cylindric, dark brown-purple, internally hirsute ventrally, its lobes 

 rotately spreading from the rounded orifice, internally glabrous, purple with broad white 

 margin, and with purple-brown reticulum ; anthers glabrous ; stigmas rounded, the lower 

 slightly the larger ; capsule 9-13 mm. long, dehiscing dorsally and splitting septum to base. 



Rocky desert, Lower Sonoran Zone; low mountains in Mojave Desert, along Mojave River, San Bernardino 

 County, southern California. Type locality: Mojave Desert. April-June. 



96. Mimulus pygmaeus Grant. Pigmy Monkey-flower. Fig. 4616. 



Mimulus pygmaeus Grant, Ann. Mo. Bot. Gard. 11: 312. 1925. 

 Mimulus minutissimus Eastw. Leaflets West. Bot. 1 : 207. 1936. 



Annual glandular-hairy herb, the stem simple to somewhat branched, 0.5-1 cm. tall. Leaf- 

 blades linear-lanceolate to oblanceolate, 4-8 mm. long, obtuse, entire, narrowed to short petioles ; 

 pedicels 0.5-1 mm. long; calyx becoming 5 mm. long, its tube not ridged nor plicate (but in 

 anthesis dark-lined), pale and finely pubescent with glandless hairs, its lobes linear-lanceolate, 

 acutish, glandular-pilose, the uppermost longest, one and a half times to twice the length of the 

 lowest pair of lobes; corolla 5-7 mm. long, yellowish (or purplish), its throat campanulate and 

 slightly shorter than tube, its lobes rounded and the upper slightly exceeding the lower; 

 anthers glabrous, those of the lower pair smaller or lacking ; stigmas unequal, the upper truncate, 

 the lower much longer and acute ; capsule at least 4 mm. long, presumably dehiscent. 



Presumably in moist open soil, Transition Zones; Jackson County, southern Oregon, to Modoc and Plumas 

 Counties, northern California. Type locality: Egg Lake, Modoc County, California. May-June. 



97. Mimulus pictus (Curran) A. Gray. Painted Monkey-flower. Fig. 4617. 



Eunanus pictus Curran ex Greene, Bull. Calif. Acad. 1: 106. 1885. 

 Mimulus pictus A. Gray, Syn. Fl. N. Amer. ed. 2. 2^ : 446. 1886. 



Annual glandular-pubescent herb, the stem erect, 1-2.5 dm. tall. Leaf -blades elliptic-olalong, 

 obtuse, slightly dentate-angled, obscurely pinnately veined, cuneately narrowed to sessile or 

 somewhat petioled bases; pedicels 2-3 mm. long; calyx 11-12 mm. long, plicate-angled, glandu- 

 lar-hirsute, its lobes acute, the uppermost longest ; corolla 8-9 mm. long, deep reddish purple, its 

 tube-throat cylindrical, its lobes rotately spreading, distally white, _ reticulately red-veined; 

 anthers glabrous; stigmas unequal, the upper very short and fimbriolate, the lower larger, 

 nearly circular, and entire ; capsule 10-12 mm. long, dehiscing throughout dorsally and ventrally, 

 and splitting septum to base. 



Presumably in moist open soil, Upper Sonoran Zone: southern part of San Joaquin Valley in Tulare and 

 Kern Counties, California. Type locality: Keene, Kern County, California. April-June. 



98. Mimulus cleistogamus J. T. Howell. Cleistogamous Monkey-flower. 



Fig. 4618. 



Mimulus cleistogamus J. T. Howell, Leaflets West. Bot. 2: 79. 1938. 



Annual glandular-pilose herb, the stem about 1 cm. tall, much-branched so that the whole 

 plant is ball-like. Leaf-blades oblanceolate, obtuse, distally dentate-lobed, attenuate to sessile or 

 slightly petioled bases; pedicels 2 mm. long; calyx becoming 9-10 mm. long, plicate-ridged, inter- 

 vening pale glabrescent surface as wide as the sharp wing-like hairy ridges, its lobes obtuse; 

 corolla about 2 mm. long, not opening ; capsule 5 mm. long, probably indehiscent. 



Gravelly clay soil. Upper Sonoran Zone; Mount Hamilton Range, San Benito County, California. Type 

 locality: near head of Tres Pinos Creek Canyon, 14 miles west of Panoche, California. April-May. 



99. Mimulus rupicola Coville & Grant. Death Valley Monkey-flower. Fig. 4619. 



Mimulus rupicola Coville & Grant, Journ. Wash. Acad. 26: 99. 1936. 



Annual finely pubescent herb, the stem erect, 0.5-1.5 dm. tall, tufted. Leaf-blades oblance- 

 olate or elliptic-oblanceolate, acute, entire, pinnately veined, cuneately narrowed to narrowly 

 winged petioles often as long as the blades (leaves overpassing stems, the blades with petioles 

 reaching 7 cm. long); pedicels 3-4 mm. long; calyx becoming 14-16 mm. long, proximally 

 strongly upcurved, distally plicate-ridged, its lobes finely glandular-pilose, lance-attenuate, the 

 uppermost longest and widest, 5 mm. long, the postero-lateral pair 3 mm. long, the lowest pair 

 4-5 mm. long but distinct from about 3 mm. proximad to other lobes ; corolla 25-30 mm. long, 

 purple, its tube about equaling calyx, its throat nearly campanulate, internally glandular- 

 puberulent (especially on the 2 low ventral ridges) and yellow on all sides and ventrally with 

 garnet-brown spots, its lobes light purple, each with a conspicuous dark purple area medianly 

 at base; anthers glabrous; stigmas equal, truncate-rounded; capsule 3.5 mm. long, slightly de- 

 curved, tardily dehiscent, the cells inverted by twist of pedicel. 



Limestone crevices in canyons. Lower Sonoran Zone; low mountains. Death Valley National Monument, 

 Inyo County, California. Type locality: foot of Nevares Peak, Funeral Mountains, Death Valley, California. 



April. 



