WOOTON AND STANDLEY FLORA OF NEW MEXICO. 553 



Upper stamens shorter than the 

 lower. 

 Calyx distinctly 2-Iipped, 



closed in fruit 18. Prunella (p. 565). 



Calyx not 2-lipped, 5-toothed, 

 open in fruit. 

 Upper leaves clasping; nut- 

 lets 3-sided, truncate 



above 19. Lamium (p. 565). 



Upper leaves not clasping; 

 nutlets nearly terete, 

 rounded above 20. Stachys (p. 565). 



1. TETJCRIXIM L. Germander. 



Erect branched perennial herb with villous-hii-sute stems and ovate-oblong, sharply 

 seiTate, short-petioled leaves; flowers iu long terminal panicles, on short pedicels; 

 calyx campanulate, the lobes shorter than the tube; coi-olla pinkish purple, 8 to 12 

 mm. long, tomentulose, glandular, the upper lip short, the lower ^vith 2 short lateral 

 lobes and a central elongated one; stamens 4, exserted. 



1. Teucrium occidentale A. Gray, Syn. Fl. 2^: 349. 1878. 



Type locality: Nebraska. 



Range: British America to California, east to the Atlantic Coast. 



New Mexico: Cedar Hill; Farmington; Ojo Caliente; Inscription Rock; Frisco; 

 Mesilla Valley; Roswell. Moist ground, in the Upper Sonoran and Transition zoues. 



2. MELOSMON Raf. 



Low spreading perennial herb about 10 cm. liigh, with laciniately parted leaves 

 and solitary white flowers crowded among leaflike bracts at the ends of the stems; 

 calyx turbinate, strongly 10-ribbed, the lobes linear-subulate, several times longer 

 than the tube; corolla 15 to 20 mm. long, the lower lip much surpassing the calyx; 

 nutlets obscurely reticulate, gi-anular. 



1. Melosmon laciniatum (Torr.) Small, Fl. Southeast. U. S. 1019. 1903. 



Teucrium laciniatum Torr. Ann. Lye. N. Y. 2: 231. 1828. 



Type locality: "On the Rocky Mountains," Colorado. 



Range: Colorado to Texas and Arizona. 



New Mexico: Perico Creek; Las Vegas; Santa Fe; Sierra Grande; Nara Visa; White 

 Mountains; Gallinas Mountains; Gray; Buchanan. Plains and meadows, in the 

 Upper Sonoran and Transition zones. 



3. TETRACLEA A. Gray. 



Perennial herbs with toothed leaves and rather few flowers in bracted few-flowered 

 axillary clusters on short peduncles and pedicels; calyx campanulate, the limb 

 5-parted, accrescent, persistent; the 5 lobes of the corolla entii-e, elliptic-obovate, 

 cream-colored, tinged with red outside; stamens exserted; fruit of 4 pyriform nutlets, 

 very strongly and coarsely reticulated and finely pubescent, the commisural scar 

 somewhat rugose. 



key to the species. 



Leaves broadly ovate, at least the lower ones entire 1. T. coulteri. 



Leaves narrowly oblong, conspicuously toothed 2. T. angusti/olia. 



