MINT FAMILY 649 



Bracts erect, firm or membranous, not foliar; leaves entire. 



Bracts firm and green or often more or less purplish. 



Leaves with a dense felt-like tomentum beneath, thick and somewhat coriaceous, 



revolute on the margins. 



Upper surface of the leaves glabrous. S. M. hypoleuca. 



Upper surface of the leaves lanate. 6. M. tanata. 



Leaves glabrous or pubescent but not densely felt-like beneath, margins plane or 



only slightly revolute. 



Upper surface of leaves glabrous. 7. Af. saxicola. 



Upper surface of leaves pubscent. 8. M. viridis. 



Bracts membranaceous, either purple or nearly white. 



Stems and leaves glabrate or variously pubescent but not silvery-puberulent. 



Plants strictly glabrous and shining; leaves narrowly oblong. 



9. M. purpurea. 



Plants more or less villous or puberulent with multicellular hairs, if glabrate 

 not shining but sometimes glaucous. 



Stems and leaves glabrous or commonly puberulent. 



10. M. odoratissima. 



Stems and leaves rather densely villous with spreading hairs. 



11. M. Robisontt. 



Stems and leaves silvery with a dense minute puberulence. _ _ 



12. M. hnoides. 

 Leaves strongly undulate, appearing as if lobed. 13. M. crtspa. 



Annuals. 



Leaves strongly undulate-margined, appearing as if lobed; corolla rose-purple. 



14. Af. undulata. 



Leaves plane, entire. 



Bracts with the lateral veins curving upward more or less paralleling the midvein. 

 Bracts not white; calyx-teeth not white-tipped; corolla purple, rarely white. 

 Bracts puberulent. 



Bracts acute, the interstices with numerous evident veinlets. 



15. M. lanceolata. 



Bracts abruptly acuminate, veinlets in the interstices lacking or inconspicuous. 



16. Af. Breweri. 



Bracts villous, abruptly acuminate, veinlets inconspicuous except in the outer interstices. 



17. Af. Pringlei. 



Bracts white or white-margined; calyx-teeth white or tipped with white; corolla white. 

 Calyx-teeth erect, triangular-lanceolate; stamens exserted. 



Bracts acute, narrowly white-margined; calyx 13-nerved. 



18. Af. candtcans. 



Bracts abruptly acuminate with conspicuous white tips; calyx 15-nerved. 



19. Af . exilis. 



Calyx-teeth divergent, subulate; bracts wholly white; stamens included. 



20. Af . leucocephala. 



Bracts with the lateral veins diverging almost at right angles to the midrib connecting with the 

 prominent marginal vein; interstices with very thin almost transparent membrane. 



21. Af. Douglasti. 



1. Monardella macrantha A. Gray. Large-flowered Monardella. Fig. 4431. 



Monardella macrantha A. Gray, Proc. Amer. Acad. 11 : 100. 1876. 

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



Stems slender, woody at base, branching from a slender creeping rootstock, 2-5 dm. high, 

 pubescent or puberulent with more or less recurved hairs. Leaves ovate to elliptic, 1-2 cm. long, 

 on petioles half their length, entire or rarely faintly serrate, nearly or quite glabrous; bracts 

 equaling or shorter than the calyx, more or less membranaceous and colored, cihate-villous on 

 the margins ; flowers 10-20 in a head ; calyx usually over 2 cm. long, villous at base, glandular- 

 pubescent throughout, teeth 4 mm. long, subulate ; corolla 3-4 cm. long, slender-funnelform, scar- 

 let or tinged with yellow, minutely and sparsely pubescent without ; stamens well-exserted beyond 

 the corolla-lobes ; anthers 1 .25 mm. long. 



Rocky or sandy soils. Arid Transition Zone; Santa Lucia Mountains, Monterey County, and the San 

 Gabriel Mountains, Los Angeles County, California, south to the Sierra San Pedro Martir, Lower California. 

 Type locality: "on the Cuiamaca Mountains and near Julian City," San Diego County. June-Aug. 



Monardella macrantha subsp. Hallii Abrams. {Monardella macrantha var. Hallii Abrams, Muhlenbergia 

 3:29. 1912.) Herbage densely villous-pubescent throughout: calyx long-villous and glandular-pubescent; 

 corolla frequently yellowish. San Bernardino, San Jacinto and Palomar Mountains, southern California. Type 

 locality: Palomar Mountains. 



2. Monardella nana A. Gray. Yellow Monardella. Fig. 4432. 



Monardella nana A. Gray, Proc. Amer. Acad. 11: 101. 1876. 



Monardella macrantha var. nana A. Gray, Syn. Fl. N. Amer. ed. 2. 2^: 459. 1886. 



Madronella nana Greene. Leaflets Bot. Obs. 1: 169. 1906. 



Stems branching from a slender woody rootstock, 15-30 cm. long, retrorsely pubescent. 

 Leaves ovate, 15-20 mm. long, green and sparingly pubescent above; bracts narrowly ovate, 

 15-20 mm. long, membranaceous, pale tinged with purple; calyx 12-15 mm. long, 2 mm. broad, 

 villous and glandular-pubescent, the teeth subulate, 3 mm. long; corolla cream-colored to pale 

 rose, its tube narrowly cylindric, 15-18 mm. long and 1.5 mm. broad, conspicuously pubescent; 

 corolla-lobes 5-6 mm. long, equaled by the longer pair of stamens ; filaments very slender ; an- 

 thers small, only 0.7 mm. from tip to tip of the widely divergent sacs. 



Coniferous forest and upper chaparral belt. Arid Transition and Upper Sonoran Zones; Cuyamaca and 



