WOOTON AND STANDLEY—FLORA OF NEW MEXICO. 5538 
Upper stamens shorter than 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...........-220. 19. Lamrum (p. 565). 
Upper leaves not clasping; 
nutlets nearly terete, 
rounded above..-......20. Sracuys (p. 565). 
1. TEUCRIUM LL. 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': 349. 1878. 
Type Locatity: 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 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. 8. 1019. 1903. 
Teucrium laciniatum Torr. Ann. Lyc. N. Y. 2: 231. 1828. 
Tyre Locauity: ‘On the Rocky Mountains,’”’ Colorado. 
RanGeE: 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 entire, 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. coultert. 
Leaves narrowly oblong, conspicuously toothed............-.---- 2. T. angustifolia. 
