MINT FAMILY. 



455 



;;. MARRUBIUM L. Horehoi ntd. 



Perennial tomentose herbs with much wrinkled leaves and rather 

 small flowers in whorls. Calyx with cylindraceous tube, 10 ribs and 

 as many equal subulate or spinulose teeth, which are recurved at tip. 

 Corolla white, with short tube included in the calyx, the upper lip 

 erect, 2-cleft, the lower spreading, 3-cleft. Stamens 4, included 

 within the tube of the corolla, all the anthers 2-celled. Nutlets 

 rounded at the top. (From Hebrew, meaning bitter.) 



1. M. vulgare L. Common Horehounp. Stems tufted, erect, 

 white- woolly, £ to 2\ ft. high; leaves roundish, crenate, except at the 

 cuneate or truncate base, petioled, white-woolly beneath and green 

 above, or somewhat tomentose on both faces; middle lobe of lower lip 

 of corolla transversely oblong, much larger than the lateral lobes. 



Common weed of old fields and waste places about farms and 

 villages everywhere in the Coast Ranges, Sacramento and San 

 Joaquin Valleys, Sierra Foothills and Southern California. Ever- 

 green with us. July-Sept. 



4. NEPETA L. 



Perennial herbs. Calyx tubular, obliquely 5-toothed, the upper 

 teeth longer than the lower. Corolla-tube enlarged above, distinctly 

 bilabiate; upper lip erect, lower spreading, the middle lobe larger 

 than the lateral. Stamens 4, not exserted, ascending under the upper 

 lip, the lower pair the shorter, all anther-bearing, with the anthers 

 approximate in pairs. Nutlets ovoid, flattened, smooth. (Old Latin 

 name used by Pliny, perhaps from the city Nepete in Tuscany.) 



1. N. cataria L. Catxep. Stems 2 or 3 ft. high; herbage canes- 

 cent with fine hairs, except the green upper surface of the leaves; 

 leaves triangular-ovate, truncate or cordate at base, coarsely crenate, 

 2 or 3 in. long or the upper reduced, greener above than below, 

 petioled; spikes 1 to 3 in. long, dense or with 1 or 2 accessory whorls 

 below; calyx-teeth lanceolate-subulate; corolla white. 4 or 6 lines 

 long, dotted with purple. 



Common in the North Coast Ranges but mostly beyond our limits: 

 Russian River Valley; Scott Valley and Uncle Sam Mt., Lake Co. 

 July. 



0. LOPHANTHUS Benth. 



Tall perennial herbs. Leaves ovate, serrate, petioled. Flowers 

 violet-purple or whitish, crowded in a terminal spike. Calyx tubular- 

 campanulate, rather oblique, almost equally 5-toothed. Upper lip of 

 corolla 2-lobed, nearly erect; lower lip spreading, its middle lobe 

 crenate. Stamens 4, exserted, the anthers not approximate in pairs. 

 (Greek lophos, crest, and anthos, flower.) 



1. L. urticifolius Benth. Glabrous or nearly so, 3 or 4 ft. high: 

 calyx-lobes membranaceous, pinkish or whitish;* corolla light violet- 

 purple. 



Common in the Sierra Nevada and in the Yallo Bally Mountains 



