MINT FAMILY. 



465 



veinlets between the parallel nerves; ealyx-teeth triangular, or some- 

 what oblong, not cuspidate; corolla rose-purple. 



Hills near the sea: Pt. Reyes, Dam/, southward to Southern Cali- 

 fornia. June. 



4. M. villosa Benth. Steins mostly simple, clustered, tough or 

 somewhat suffrutescent at base, £ to 1^ ft. high; herbage finely pubes- 

 cent; leaves green on both faces, round-ovate to lanceolate, entire 

 or more commonly serrate, £ to 1 in. long, on petioles 2 or 3 lines 

 long; bracts ovate, foliaceous, pinnately veined; flowers purple to 

 pink, or dull white. 



Coast Ranges on dry rocky hills; in typical form near the sea at 

 San Francisco, Monterey and the Santa Lucia Mountains. Varying 

 greatly in pubescence, foliage and general aspect. Var. interior. 

 Leaves coarsely few-toothed, the teeth sometimes salient; heads 

 large. — Vaca Mountains, Solano Co. 



5. M. viridis. Suffrutescent, diffuse, the stems 2 or 3 ft. long; 

 leaves rhomboidal to oblong-obtusish, narrowed at base to a slender 

 petiole, the whole £ to \\ in. long, bright green on the upper face, 

 white-lanate on the lower; heads on long and almost naked pedun- 

 cles; bracts thick; flowers lavender-color. 



Upper Conn Valley. Napa Co., Oct., 1894. 



15. KOELLIA Mcench. Mountain Mint. 

 Glabrous or canescent perennial herbs with white flowers in 



densely crowded whorls, the whorls remote and leafy -bracted or the 

 uppermost subtended by a pair of somewhat reduced leaves. Calyx 

 oblong or tubular, its teeth equal. Corolla-tube little exceeding the 

 calyx; upper lip almost entire; lower 3-cleft. Stamens 4, nearly 

 equal. (Dedicated to Koelle. a German botanist of the 18th 

 century.) 



1. K. Californica (Torr.) Kuntze. Simple, erect. 2 to 3-i ft. high: 

 leaves ovate to ovate-lanceolate, sessile, serrulate along the sides, the 

 acuminate apex and rounded or cordate base entire, 3£ in. long or 

 less; calyx pubescent, the tips of the teeth very woolly exteriorly; 

 corolla sprinkled exteriorly with resin dots. — (Pycnanthemum Cali- 

 fornicum Torr.) 



Sierra Nevada and Coast Range Mountains. July-Aug. 



16. LYCOPUS L. Water Horehound. 

 Perennials of low grounds or river marshes, similar to Mentha, but 



bitter and much less aromatic. Flowers small, white or whitish, in 

 sessile capitate glomerules, apparently whorled the upper axils 

 flowerless. Calyx campanulate, 4 to 5-*toothed (naked in the throat). 

 Upper lobe of corolla entire. Fertile stamens 2, the upper pair 

 without anthers, the tips of the filaments in ours thickened. Nutlets 

 with thickened margins. (Greek lukos, wolf, and pous, foot, per- 

 haps on account of the shape of the leaves in the original species.) 



Leaves petioled, irregularly and incisely toothed 1. /,. Amt rtcCMU*. 



Leaves sessile, regularly serrate . . . . *. 2. L. lueidus. 



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