MINT FAMILY 657 



16. Monardella Breweri A. Gray. Brewer's Monardella. Fig. 4446. 



Monardella Breweri A. Gray, Proc. Amer. Acad. 7:386. 1867. 

 Madronclla Breweri Greene, Leaflets Bot. Obs. 1: 168. 1906. 

 Monardella Elmcri Abrams, Muhlenbergia 8: 43. 1912. 



Annual the stems branched from near the base, erect, 15-30 cm. high, retrorsely puberulent, 

 usually purplish. Leaves lanceolate, 2-3.5 cm. long, narrowed at base to a short petiole, acute 

 or obtusish at apex, rather densely puberulent on both surfaces ; bracts ovate, abruptly acummate 

 10-15 mm long, purplish above, scarious and glabrous between the hispidulousvems ; calyx (>-« 

 mm. long, hirsute on the veins, the teeth subulate, green or slightly tmged with purple; corolla 

 12-14 mm. long, rose-colored. . 



Sandy valleys and dry stream beds. Upper Sonoran Zone; California C°ast Ranges, more especially the 

 Inner Coast Ranges from eastern Alameda County to the Sierra Liebre, Los Angeles County, California. T>pe 

 locality: Corral Hollow, Alameda County. May-Aug. 



17. Motiardella Pringlei A. Gray. Pringle's Monardella. Fig. 4447. 



Monardella Pringlei A. Gray, Proc. Amer. Acad. 19: 96. 1883. 

 Madronella Pringlei Greene, Leaflets Bot. Obs. 1: 169. 1906. 



Annual, stems branched, 2-3 dm. high, the branches and foliage puberulent or tomentulose 

 but not densely so. Leaves lanceolate, 2-3 cm. long, narrowed below to a short petiole, acute at 

 apex, entire; heads 12-17 mm. broad; bracts about 10 mm. long, ovate, abruptly acummate at 

 apexi thin and somewhat membranous between the 4-5 pairs of prominent lateral veins, tomen- 

 tose, purplish above; calyx 6-7 mm. long, the teeth subulate, purplish, hirsute; corolla rose- 

 colored, about 12 mm. long, the tube slightly exserted. 



Sandy soils. Upper Sonoran Zone; a restricted endemic, known only from the sand hills west of Colton, 

 San Bernardino County, California. May-July. 



18. Monardella candicans Benth. Sierra Monardella. Fig. 4448. 



Monardella candicans Benth. PI. Hartw. 330. 1849. 

 Madronella candicans Greene. Leaflets Bot. Obs. 1: 168. 1906. 



Annual, 3-4 dm. high, corymbosely branched from the upper nodes, the branches seldom 

 rebranching, purplish, retrorsely puberulent. Leaves lanceolate to oblong-lanceolate, puberulent 

 on both sides or the upper side sometimes glabrate, narrowed at base to a slender petiole ; heads 

 15-25 mm. broad; bracts broadly ovate, obtuse with a short acumination, hirsutulous on the 

 greenish veins, white-scarious in the intervals; calyx 5-5.5 mm. long, the teeth narrowly tri- 

 angular-lanceolate, erect, hirsute with white-scarious margins; corolla white, 8-10 mm. long, 

 the tube barely exserted ; stamens slightly exserted beyond the corolla-tube. 



Sandy soils, Upper Sonoran and Arid Transition Zones; western foothills and middle elevations of the 

 Sierra Nevada from Nevada County to Kern County. California. Type locality: probably Yuba River. Col- 

 lected by Hartweg on his trip up the Yuba River. (See Jepson. Erythea 5: 31-35 and 51-56. 1897, for an 

 account of Hartweg's explorations in California.) May-July. 



19. Monardella exilis (A. Gray) Greene. Desert Monardella. Fig. 4449. 



Monardella candicans var. exilis A. Gray, Syn. Fl. N. Amer. 2^: 358. 1878. 

 Monardella exilis Greene, Pittonia S : 86. 1902. 



Annual, erect, branched from the base and from all but the uppermost nodes ; branches rather 

 slender, retrorsely puberulent. Leaves narrowly lanceolate, 1-2 cm. long or the lower a little 

 longer and long-petioled, pale green and strigose on both surfaces; heads 10-^15 mm. broad; 

 bracts ovate to broadly ovate, abruptly acuminate, veins green, the interstices, tips and margins 

 white-scarious, or sometimes faintly rose-colored; calyx 5-6 mm. long, scarious below, 15-nerved, 

 thinly hirsutulous on the nerves, the teeth narrowly triangular-lanceolate, white-margined and 

 hirsute-ciliate ; corolla 9-10 mm. long, white, the tube barely exserted, retrorsely puberulent. 



Sandy flats, Sonoran Zones; southern San Joaquin Valley, and western Mojave Desert, California. Type 

 locality: Mojave River. Collected by Palmer (No. 364). 



20. Monardella leucocephala A. Gray. Merced Monardella. Fig. 4450. 



Monardella leucocephala A. Gray, Proc. Amer. Acad. 7:385. 1867. 

 Madronella leucocephala Greene, Leaflets Bot. Obs. 1 : 169. 1906. 



Erect annual, 1.5-2 dm. high, dichotomously branched throughout, the branches pale, rather 

 densely retrorsely short-pubescent. Leaves lanceolate to oblanceolate, 1-2 cm. long, strigose on 

 both sides, narrowed to a short petiole ; heads 10-15 mm. broad ; bracts ovate to nearly orbicular, 

 abruptly short-acuminate, scarious and pure white including the veins, these sparsely hispidulous ; 

 calyx 5-6 mm. long, hirsute, its teeth subulate, spreading or recurved ; corolla white, about 5 mm. 

 long, scarcely surpassing the calyx. 



Sandy soils. Lower Sonoran Zone; San Joaquin Valley, along the Tuolumne and Merced Rivers in 

 Stanislaus and Merced Counties. This local endemic is becoming almost extinct, for most of its habitats have 

 become cultivated fields. Type locality: "Plains near Merced, in sandy soil." June-Aug. 



21. Monardella Douglasii Benth. Fenestra Monardella. Fig. 4451. 



Monardella Douglasii Benth. Lab. Gen. & Sp. 332. 1834. 

 Madronella Douglasii Greene. Leaflets Bot. Obs. 1: 168. 1906. 



Annual, the stems erect, simple or divaricately branched, 1-3 dm. high, purplish, retrorsely 



