NS empe Weser etr eem eese emer eurer a i hh ee i i i E 
STUDIES IN THE COMPOSITA. i 55 
3. E. SERRULATUS. Stoutish and rather tall, vivid green 
and scabrous, the leaf-margins even serrulate-scabrous under 
a lens: leaves linear-lanceolate, 2 inches long, acute, marked 
by a very strong and conspicuous white midvein and some 
reticulation of xls surface: heads few, large as in the pre- 
ceding, but bracts very different, being narrow and almost 
wholly herbaceous and taper-pointed, the margins serrulate- 
scabrous, not woolly or ciliate. 
Grassy hillsides on Mt. Paddo, Washington, collected by 
Mr. Suksdorf (n. 1563) and distributed for real E. Engel- 
mannii, from which it is most distinct, though doubtless 
confused with it by Dr. Gray. 
4. E. LEDOPHYLLUS. Aster Engelmannii, var. ledophyllus, 
Gray, Proc. Am. Acad. viii. 388 (1872) ; Syn. Fl. 200.—Sel- 
dom 2 feet high, strict and rather slender, with few and 
rather large corymbose or somewhat racemose heads: 
leaves oblong or oblong-lanceolate, 1 to 14 inches long, ob- 
tuse or acutish, mucronate, loosely cottony-tomentose be- . 
neath: bracts of involucre firm, ovate-lanceolate and lance- 
olate, the margin scarcely ciliolate: rays few, purple: 
achenes glabrous. 
At subalpine elevations of the higher mountains of Ore- 
gon and Washington. 
5. E. TOMENTELLUs. Sericocarpus tomentellus, Greene, Pitt. 
i. 283 (1889). Aster brickellioides, Greene, Pitt. ii. 16 (1889), 
excl. var. glabratus.—Distinguished from the preceding by 
a stouter more branching stem, firmer foliage, oval and ob- 
long-ovate spreading or even deflexed on the stem, the 
heads rayless, small and panicled at summit of stem; the 
involucres tomentose; the achenes sparingly villous. es 
This is as different from E. ledophyllus in habitat as in 
character, that being of moist subalpine meadows; this of 
dry hills far southward nearer the level of the sea. 
