WOOTON AND STANDLEY FLORA OF NEW MEXICO. 553 



Upper stamens shorter tlian the 

 lower. 

 Calyx distinctly 2-lipped, 



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. TEUCRIUM L. Germander. 



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

 serrate, short-petioled leaves; flowers in long terminal panicles, on short pedicels; 

 calyx campanulate, the lobes shorter than the tube; corolla pinkish purple, 8 to 12 

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

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



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



Type locality: Nebraska. 



Range: British America to California, easjt 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 zones. 



2. MELOSMON Raf. 



Low spreading perennial herb about 10 cm. high, 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, granular. 



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; Nam 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 ami rather few flowers in bracted few-flowered 

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

 ."> parted, accrescent, persistent; the 5 lobes of Hie corolla entire, elliptic-obovate, 

 cream-colored, tinged with red outside; stam< ed; Eruil of A pyriform nutlets, 



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

 somewhat rugose. 



KKV TO THE SPECIES. 



Leaves broadly ovate, at leasl the Lower ones entire I. T. coulteri. 



!■ i es narrowly oblong, conspicuously toothed - T. angtuttfolia. 



