226 
COMPOSITE. (COMPOSITE FAMILY.) 
temate and nearly entire; heads single or corymbed, on naked pe¬ 
duncles; scales of the involucre ovate-lanceolate, pointed, ciliate.— 
Dry open places, Ohio and westsward.—-Stem 3^ — 4° high. Leaves 
thick, as in No. 2. Rays showy, V -2 r long. 
4. II. occidentals, Riddell. (Western Low Sunflower.) 
Somewhat hairy; stem slender, simple , naked above , bearing 1 -5 
small heads on long peduncles; lowest leaves oval or lanceolate-ovate, 
3-nerved, obscurely serrate, roughish-pubcscent beneath , abrvptly con¬ 
tracted into long hairy petioles ; the upper small and remote (all oppo¬ 
site), entire ; scales of the involucre oval-lanceolate, pointed, ciliate. 
Dry barrens, Ohio and Michigan westward. — Plant l°-3° high, 
producing runners from the base. 
5. II. cinereus, var. Sullivantii, Torr. & Gr. (Hoary Sun¬ 
flower.) Gray, with a close roughish pubescence; stem branching 
abov/j, hairy; leaves ovate-oblong , sessile by a narrowed base, acute, 
obscurely serrate; the upper small and remote ; peduncles slender; 
scales of the involucre lanceolate, hoary.—Darby Plains, Ohio, Sulli- 
vant. Stem 2°-3° high, bearing few heads as large as in the next: 
intermediate between it and the last. 
6 ‘ II# n *<*Uis, Lam. (Downy Sunflower.) Stem clothed 
wit soft white hairs, simple , leafy; leaves ovate , with a somewhat 
eart s aped and clasping base , pointed, nearly entire, hoary above, 
very soft xchite-xooolly and reticulated underneath; scales of the invo¬ 
lucre lanceolate, downy. — Barrens and prairies, Ohio and westward. 
* * * Peren ™al: heads small: scales of the involucre few, shorter than 
the yellow disk, irregularly imbricated , oppressed , the outer with 
spreading foliaceous pointed tips : rays 5-8. 
' II. microceplialiis, Torr. & Gr. (Small-flowebid 
unflower.) Stem smooth, with numerous slender branches above; 
ea\cs opposite, or the uppermost alternate, thin, ovate-lanceolate, 
taper-pointed, somewhat serrate, veinv, petioled, rough above, downy 
or hairy underneath ; peduncles slender, rough ; scales of the involu¬ 
cre ovate and ovate-lanceolate, ciliate. - Thickets, W. Penn, and 
westward.-Stem 3P-8P high: heads J' broad, the rays nearly l' 
* * * * Perennial: heads middle-sized or large : scales of the into lu¬ 
cre irregularly imbricated, loose, with spreading foliaceous summits, 
™ long as the yellow disk or longer. 
o w Leaces chiefly alternate or scattered, feather-veined. 
• L. (Tall Sunflower.) Stem hairy or 
rovg , ranched above ; leaves lanceolate, pointed, serrate, very roug 
above, rough-hairy Hneath, narrowed and ciliate at the base, bat 
nearly sesstle ; scales of the involucre long, linear-lanceolate, pointed 
ha.ry, or strongly ciliate. _ Var. a mb! gcu s has most of the leaves 
opposite and closely sessile by an obtuse base, and approaches No. W- 
