Robinson and Greenman—NMexican Plants. 153 
6 to 7 lines long, about 15-flowered: floral leaves ovate-lanceo- 
late, acuminate or attenuate, serrate or subentire, subsessile : ped- 
icels 4 to 6 lines long, tomentulose: involucral scales regularly 
imbricated in about 4 series, all obtuse, tomentulose and some- 
what arachnoid-pubescent: achenes 24 lines long, puberulent.— 
Collected by C. G. Pringle, on Sierra de San Felipe, Oaxaca, alti- 
tude 10,000 feet, 24 December, 1894 (No. 6114). 
BrickeLLia LaNcrFoLia. Tall, 5 to 8 feet high: branches 
slender, terete, striate, tawny, tomentulose and slightly scabrous : 
glabrous except at the obtuse mucronate tip, purplish, finely 
striate, lucid, imbricated in 4 or 5 very unequal series: achenes 
villous, at least when young.—Collected by C. G. Pringle, on 
pubescence; the type and other varieties being glabrous through- 
: ins todd, -Ooitested by C. G 
Pringle, on hills, Las Sedas, Oaxaca, altitude 6,000 feet, 16 
August, 1894 (No, 4805). 
ACHYROCLINE DEFLEXA. Stems erect, 3 to 4 feet high, strict, 
branching above, lanate: leaves oblong-lanceolate, acute at bot 
ends, mucronate at apex, scarcely petioled at base, mostly 
deflexed or pendulous, sparingly arachnoid and green above, 
densely lanate and white beneath, 14 to 3 inches long, 5 to 9 lines 
toad; margins somewhat revolute, irregularly subcrenulate : 
heads glomerate, about 5-flowered ; glomerules corymbous; invo- 
a white: flowers all fertile, only one hermaphrodite: 
de rin ovate, glabrous.—Collected by ©. G. Pringle, on Sierra 
© San Felipe, altitude 7,000 to 8,000 feet, November, 1894 (No. 
e 
ing a foot 
twice dichotomously forked ; upper branches slender, erect: leaves 
