NEW SOUTHWESTERN PLANTS 145 



New Plants from Southwestern Mountains. 



AcHiLLABA stJBALPiNA. Stoutish and low, angled and stri- 

 ate stems 3 to 6 inches high, thinly Tillous-lanate : leaves few, 

 oblong-linear, the basal short-petiolate, the cauline sessile, auri- 

 cled, all bipinnate, the segments softly spinescent-tipped, the 

 whole leaf villous -silky : corymb of few large heads ; involucres 

 campanulate, bracts triangular-ovate to oblong-ovate, none with 

 much pubescence, all strongly carinate-nerved, the inner with 

 thin fuscous margins : rays large, white. 



Subalpine slopes of Mount Ouray, southern Colorado, 30 Aug., 

 190 , C. P. Baker, n. 843. 



Antennaeia foemosa Near A. parvifolia, every way much 

 larger ; stem 18 to 33 inches high, ending in a lax corymbose 

 panicle of large heads: stolons depressed, IJ to 3 inches long, 

 their full growfi leaves an inch long of more, broadly rounded 

 and acutish at summit, thence tapering cnneately to the base, 

 hoary above, beneath white with a dense appressed indument ; 

 stem leaves longer, exceeding the internodes, linear-spatulate, 

 acute, erect, more loosely pubescent : heads many and large ; - 

 involucres greenish white, scarcely tomentose or flocculent even 

 at base, all the bracts with oblong-obovate acute scarious tips as 

 long as the body or longer ; male plant not known. 



Low meadows at Gunnison, Colo., C. F. Baker n. 580. 



Antennaeia latisquamba. Low and with much the habit 

 of A. africa but more slender, the few large heads of the pistil- 

 late plant commonly on long pedicels, forming a loose corymb : 

 leaves smaller, thin, spatulate-ovate, \ inch long or more, not 

 densely silky-tomentose even beneath, sparsely so above : heads 

 3 or 4, J inch high, broad and many-flowered ; bracts not very 

 many, all with broad and obtuse white tips, the inner only nar- 

 rower, not acute : male plant not seen. 



At 10,000 feet in the Black Kange, New Mexico, on a shaded 

 slope, 30 Sept., 1904, 0. B. Metcalfe, n. 1433. 



Beigbeon plattphtllus. Eelated to E. macranihus and 



Lbaplbtb, Vol. i. pp. 145-160. Dec. 23, 1905. 



