172 LABIATA 



Bracts acute or obtuse nervose, less transparent or the outer green 1O, 11 



Braots broadly orate, white-scarious, nervose with cross veins: corolla white or nearly so, 

 only 3 or 4 lines long: calyx-teeth with scarions tips 19, 18 



1. M. macrantha, Gr. Orange red or scarlet corolla 1-1$ in. long. San Diego. 



2. M. nana, Gr. Similar, more hairy: corolla white, rose-tinged, smaller. S. Cal. 



3. M. hypoleuca, Gr. Densely white-tomentose: bracts nervose. S. B. OaL 



4. M. villosa, Benth. Soft-hairy or glabrate: bracts pinnatel'y veined. Western GaL 



5. M. odoratissima, Benth. Nearly glabrous: bracts thin, whitish or purplish. 



6. M. linoides, Gr. Ashy-pubescent: bracts scarious, white, pinkish. S. CaL 



7. M. Palmeri, Gr. Green: bracts very obtuse: otherwise like the last. S. CaL 



8. M. Douglasii, Benth. Bracts silvery between pinnate nerves and margin. 



9. M. Brewer!, Gr. Bracts broader, less translucent, wanting marginal nerve. 



10. M. lanceolata, Gr. Bracts acute, cross veinlets between the nerves. 



11. M. undulata, Benth. Bracts broadly ovate, not cross- veined. Coast. 



12. M. candicans, Benth. Braots with greenish nerves. Cent. CaL 



13. M. leu.coceph.ala, Gr. Bracts whiter, lightly nerved calyx-teeth slender. 



6. MICROMERIA, Bentham. 



1. M. Douglasii, Benth. Creeping: leaves round-ovate: pedicels slender, GOM&. 



2. M. purpurea, Gr. Erect: leaves lanceolate: flowers in dense clusters. 



7. CAXATfflNTHA, Tournefort. 

 L 0. mimuloides, Benth. Hirsute, viscidulous. Monterey Bay. 



8. POGOGYNE, Bentham. 



Stamens all perfect: stigmas nearly equal: corolla - in. long 1, 2, S 



Stamens 2 perfect: stigmas very unequal: corolla & in. long 4, 5 



1. P. Douglasii, Benth. Spikes oblong, white-hispid, bracts acute. 



?. P. parviflora, Benth. Smaller; bracts mostly obtuse. S. P. Bay, N. 



3. P. nudiuscula, Gr. Flowers in whorl-like clusters: bracts less hispid. S. CaL 



4. P. ziziphoroides, Benth. Flowers mostly in heads or short spikes. 



5. P. serpylloides, Gr. Flowers in whorls or long interrupted spikes. 



9. ACANTHOMINTHA, Gray. 



1. A. ilicifolia, Gr. Rigid, 3-6 in. high: leaves broad, often cuspidate-toothed. 



2. A. lanceolata, Curran. Taller: leaves lanceolate: flowers larger, an inch long. 



10. SPHACELE, Bentham. 

 1. S. calycina, Benth. Shrubby: leaves rugose: hairy ring in corolla-bane. 



