296 PROCEEDINGS OF THE AMERICAN ACADEMY. 
chotomous cymes: leaves varying greatly in length and texture. — Bot. 
Calif. i. 69; Bibl. Index, 454. 4. Fendleri, var. subcongesta, Wats. 
Bot. King Exp. 40, & PI. Wheeler, 6; Porter & Coulter, Fl. Col. 13; 
Rothr. Enum. Pl. Col. 35. A. Fendleri, var. glabrescens, Wats. Bot. 
King Exp. 40, & Bibl. Index, 95, differs Only in its still looser inflo- 
rescence, and should doubtless be referred hither. — Rocky Mts. of 
Colorado and Arizona, Newberry, to British America, Cypress Hills, 
Macoun, westward to Oregon, Howell, and California, Sierra Co., 
Lemmon, Donner Pass, Torrey. These puzzling and inconstant 
forms are intermediate between this species and A. capillaris, A. 
Fendleri, and A. macradenia. From the last they scarcely differ 
save in their smaller flowers and slightly in the form of the petals. 
A. macradenia, Wars, (revised). Glabrous or nearly so: 
rootstock more or less ligneous, extensively and irregularly branched: 
stems stout for the genus, 6-15 inches high, knotted with the enlarged 
nodes: leaves chiefly cauline, glaucous, rigid, pungent, $—2 inches long: 
flowers larger than in the related species, in an open cyme: sepals 
fleshy subcarinate, 25-23 lines long, with membranous margins: petals | 
considerably exserted, obovate or oblong with an obtusish sometimes 
auricled base: stamineal glands moderately developed: stigmas sub- 
capitate. — Proc. Am. Acad. xvii. 367 in part. — S. California, Mo- 
have River, Palmer, 41; Antelope Valley, Oliver; S. Utah, Parry, 
20, Palmer ; Arizona, Palmer; Mt. Agassiz, Lemmon. These plants 
with their exserted petals and ligneous caudices best represent Dr. 
Watson’s species as described, Palmer’s no. 41 being the first men- 
tioned type. : 
Var. (?) Parishiorum. Smooth or minutely glandular-pubescent: 
caudex scarcely ligneous, densely multicipital: stems slender; ees 
not conspicuously enlarged: leaves chiefly basal: petals nares 
the base, shorter than or barely equalling the sepals, the lugtee oY 
3 lines in length: stamineal glands very large. — A. macradenia, We 
1. ¢. xvii. 367 in part. — Common on mountains bordering on the Mojavé 
Desert, S. B. & W. F. Parish, no. 1330. 
, the 
+ + + Sepals lanceolate to lance-linear, attenuate, equalling or exceeding 
petals. 
++ Flowers cymose, not densely aggregated. : 
A. Fendleri, Gray. Rather pale and glaucous, finely pane 
pubescent above: stems numerous, erect, leafly, 4-15 inches hig" 
closely aggregated upon the summit of a thick root: basal leav‘ 
setaceous, gramineous, ciliolate or quite smooth, 2-4 inches in length, 
somewhat pungent ; the cauline gradually shorter, connate and § 
