70. 
[]. 
A. diversifolia Greene. —~_______—_—erennigh berbs 30-40 cm. tall, with ‘ 
erooping—borizoial rootstocksy basal leaves broadly ovate-cordate or 
reniform, rounded or obtuse, on petioles as long as the blade or longer, the 
cauline leaves 5-4 pairs, resembling the basal leaves but less deeply cordate 
and usually more acute, the petioles as long as the blade or longer, only 
those subtending the inflorescence sessile or subsessile, all sharply and 
irregularly serrate, quite or nearly glabrous on both surfaces; heads 3=5 
on slender peduncles 3-12 cme long, the lowermost longest; involucres broadly 
top-shaped, the bracts 8-10 mm. long, narrowly lanceolate, 1.5=2 mm. wide, 
glandular-puberulent and bearing a few longer slender hairs; ray-corollas 
12-14 mm. long, elliptical-oblong, rounded at the apex and very shallowly 3@ oa 
toothed, disc-corollas 6 mm. long, the tubes pubescent; achenes thinly his- 
pidulous, the pappus somewhat tawny... 
Subalpine meadow at Fish Lake, 6000-6800 ft., Epling and Houck 9829 
ini diegementiotne 
e 
A. gracilis Rydb. —weerenniasy herbs 30-40 cme tall nwa 
wootsicots> the stens slender, thinly viscid-woolly, the basal leaves rotunde 
ovate, 5-5 cm. long, blunt or acute, irregularly and coarsely toothed, on petioles 
subequal to the blades, the cauline leaves ovate, shortly petioled or subsessile, 
the upper often subentire, the uppermost greatly reduced ,, all Sparingly pubescent 
on both surfaces; heads several, the peduncles of those ,appear bag later. surpassing 
the earliest; involucres top-shaped or somewhat obovate, the bracts oblong 
elliptical, 8-12 mm. long, acute or acuminate, glandular=pubescent; ray corollas 
18-20 mm. long, oblong, disc-corollas 8 mn. long, the tubes hispidulous; achenes 
hispidulous and somewhat glandular. 
In open places in rather dry Thuja type at lower elevations. 
Ae cordifolia Hook. ——rotlemnicdty yjordss 50-50 cm. tall, aw 
ithe stems glabrate or woolly and more or less 
viscid, bearing usually 2-4 pairs of leaves, the basal leaves of the previous 
year having withered, the lowermost pair broadly ovate to kidney-shaped, 
5-10 cme long, obtuse, cordate at the base, the margins coarsely dentate or 
sinuate, borne on petioles about equal to the blades, the upper pairs more ovate 
or deltoid-ovate, obtuse or acute, subcordate or truncate at the base, both 
surfaces woolly or nearly glabrous; heads solitary; bracts of the involucre 
membranous, elliptical~lanceolate, 15-20 mm. long, acute or acuminate, erect, 
the involucre top-shaped, viscid-woolly towards the base; ray corollas 8-12, 
lanceolate, 22-55 mm. long, obtuse or acuminate; disc-corollas 10-12 mn. long; 
achenes thinly hispidulous. 
Common in moist openings in the woods. 
