L A B I A T M . 289 



5. M. undulata, Benth. Minutely pubescent or glabrous, 815 in. 

 high: leaves oblong-spatulate to nearly linear, obtuse, undulate-mar- 

 gined, petiolate: bracts and calyx villous; the former broadly ovate, 

 obtuse or acutish, thin and somewhat scarious, parallel-veined: corolla 

 rose-purple. Hills toward the sea; Point Eeyes, etc. 



6. MICROMERIA, Benth. (YEBBA BUENA). Very sweet-scented trail- 

 ing evergreen undershrub, leafy, and with mostly solitary flowers in the 

 axils. Calyx oblong-tubular, 13-striate, regularly 5-toothed. Corolla 

 white, with erect emarginate upper lip, and spreading 3-parted lower 

 one. Stamens 4; anthers 2-celled. 



1. M. Chamissonis (Benth.). Stems 14 ft. long, often rooting at 

 the ends : leaves round-ovate, thin-coriaceous, of a light yellowish green, 

 1 in. long, sparingly toothed: fl. on a filiform bibracteolate peduncle: 

 calyx-teeth subulate: corolla pure white, 4 lines long, twice the length 

 of the calyx. Wooded northward slopes of hills near the coast. 



7. MELISSA, Tourn. Sweet-scented perennial, with tufted stems, 

 ovate rugose petiolate leaves, and white flowers clustered in the axils. 

 Calyx campanulate-tubular, bilabiate, 13-striate; upper lip flattened, 

 3- toothed; lower 2-toothed, erect. Upper lip of corolla concave, emar- 

 ginate; lower 3-lobed, the middle lobe largest. Stamens 4, converging 

 under the upper lip; anther-cells divaricate, confluent. 



1. M. OFFICINALIS, L. Herb 12 ft. high: leaves 1 in. long, ovate, 

 truncate at base, deeply crenate-serrate : fl. few in the cluster, subsecund: 

 corolla more than twice the length of the calyx. By waysides, and along 

 streamlets, at Temescal, Berkeley, etc. 



8. POGOrYNE,I?^/i. Aromatic low annuals, with oblong-lanceolate 

 leaves tapering to a petiole. Flowers crowded, the verticillasters mostly 

 interrupted-spicate. Bracts and calyx hirsute-ciliate. Corolla blue or 

 purple. Calyx deeply and unequally 5-cleft: teeth longer than the about 

 15-nerved tube. Corolla straight, tubular-funnelform, with short lips; 

 the upper erect, entire; lower 3-lobed, spreading. Stamens 4, ascending; 

 anthers 2-celled. Style bearded. 



* All 4 stamens antheriferous. 



1. P. Douglasii, Benth. Stout, 612 in. high: leaves oblong, spat- 

 ulate, or oblanceolate : spikes dense; bracts linear, acute: lower segments 

 of calyx twice or thrice the length of the tube, much longer and narrower 

 than the others: corolla % in. long, bluish-purple. Common along 

 ditches, and low places that become dry in summer. May July. 



2. P. parviflora, Benth. Not stout, 5 Sin. high: leaves narrower: 

 bracts obtuse: calyx-segments broader, less unequal, the lower hardly 

 longer, the upper shorter than the tube: corolla % in. long. About 

 San Francisco Bay, and northward. 



