WOOTON AiSTD STANDLEY FLOEA OF NEW MEXICO. 



591 



1. Adenostegia wiightii (A. Gray) Greene, Pittonia 2: 180. 1891. 



Cordylanthus wrightii A. Gray in Torr. U. S. & Mex. Bound. Bot. 120. 1859. 



Type locality: "Prairies, from 6 to 30 miles. east of El Paso, Western Texas." 



Range: Western Texas to Arizona. 



New Mexico: Tunitcha Mountains; Farmington; Gallup; Zuni Reservation ; San 

 Lorenzo; Ramah; Mogollon Mountains; Bear Mountain. Dry plains and hills, in the 

 Upper Sonoran Zone. 



A decoction of this plant is used by the Navahos as a cure for syphilis. 



18. CASTILLEJA Mutis. Painted cup. 



Annual or perennial herbs, 80 cm. high or mostly less, often parasitic on the roots 

 of other plants; leaves alternate, simple or lobed; flowers in terminal spikes, sub- 

 tended by conspicuous, often bright-colored bracts; calyx of almost wholly united 

 sepals, the tube laterally compressed; corolla often highly colored, strongly 2-lipped, 

 the upper lip an^hed, the lower very short; stamens 4, inclosed in the upper lip of the 

 corolla, the anther sacs unequal, the outer attached at the middle, the inner pendu- 

 lous by its apex; stigma entire or 2-lobed; capsules loculicidal; seeds reticulated. 



KEY TO THE SPECIES. 



Annuals. 



Upper leaves and bracts linear; plants slender 



Upper leaves and bracts lanceolate; plants stout 



Perennials. 



Galea less than 3 times as long as the lip, rarely half as long 



as the corolla tube; bracts mostly yellow or brownish. 



Leaves pinnately divided, at least the upper ones; 



bracts reddish, entire or lobed. 



Plants lanuginous throughout; corolla scarcely 



surpassing the calyx 



Plants not lanuginous; corolla much exceeding the 



calyx 



Leaves entire; bracts entire or slightly lobed, tinged 

 with yellow. 

 Plants low, 5 to 15 cm. high; corolla less than 2 cm. 



long 



Plants taller, 20 to 40 cm. high; corolla usually 

 more than 2 cm. long. 

 Plants darkening in drying or turning blight 

 bluish green; leaves merely acute, 



lanceolate or elliptic 6 



Plants usually not darkening in drying; leaves 

 long-attenuate or acuminate, linear- 

 lanceolate 7 



Galea several times longer than the lip, usually at least 

 two-thirds as long as the corolla tube; bracts scarlet, 



C. minor. 

 C. exilis. 



3. C. lineata. 



4. C. sessilijlora. 



5. C. occidentalis. 



C. luteovirens. 



C. sulphurea. 



k 



Calyx cleft much deeper in front than behind. 



Upper leaves lanceolate, 3-ncrved, usually entire. 8. 



All the leaves linear, 1-nerved, pinnatifid 9. 



Calyx about equally cleft before and behind. 

 Stems villous-canescent or densely woolly. 



Plants densely white-woolly throughout; 



leaves lanuginous on both surfaces 10. 



Plants vilious-canescent; leaves glabrous on 



the upper surface 11. 



C. wootoni. 



C. linariaefolin. 



C. lanata. 

 C. Integra. 



