MIXT FAMILY. 465 



veinleU between the parallel nerves; calyx-teeth triangular, or some- 

 wlmt oblong, not cuspidate; corolla rose-purple. 



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

 fornia. June. 



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

 somewhat suffiiitescent at base, J to 1 J ft. high; herbage finely pubes- 

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

 or more commonly serrate, J to 1 in. long, on petiofes 2 or 3 lines 

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

 pink, or duU white. 



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

 San Francisco, Monterey and the Sanla Lucia Mountains. Varying 

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

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

 large. — Vaca Mountains, Solano C". 



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

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

 petiole, the whole J to IJ 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. MorsTAix 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. Cah'^x 

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

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

 i-'qual. (Dedicated to Koelle, a Gei-man botanist of the 18th 

 century.) 



1. K. Californica (Torr.) Kuntze. Simple, erect, 2 tu 3i ft. high; 

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

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

 less; calyx pubescent, the tips of the teeth verj- woolly exteriorly; 

 c<3rolla sprinkled exteriorly with resin dots. — (Pycnanthemum Cali- 

 fornicum Torr.) 



Sierra Nevada and Coast Kange Mountains. July-Aug. 



16. LYCOPUS L. Water Horehouxd. 

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



liitterand much less aromatic. Flowers small, white or whitish, in 

 >es3ile 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 maigins. (Greek lukos, wolf, and pons, foot, per- 

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



Leaves petioled, irregularly and incisely toothed . 1. L. Americanus. 



Leaves sessile, regularly serrate . . 2. i. lucidu-^, 



32 



