COMPOSITE. 
157 
Section 1. ASTEREJE. Heads never dicccious, mostly ra- 
diant. Anth. without appendages. L. alternate. 
4. (8.) Aster Linn. 
1. A. TripoUum (L.) ; st. glabrous corymbose, 1. linear-lan- 
ceolate fleshy smooth, involucre imbricate : scales obtuse mem- 
branous the inner ones longer. — E. B. 87. TripoUum vulgare 
DC. — St. 1 — 2 feet high, erect, hollow, leafy, many-flowered. 
Heads large with a yellow disk and bright blue rays ; rays often 
wanting. — Muddy salt marshes. P. VIII. IX. 
5. (9.) Erigeron Linn. 
*1. E. canadensis (L.) ; st. much branched hairy panicled 
many -flowered, 1. linear-lanceolate ciliated. — E. B. 2019. — St. 
erect, 1 — 2 feet high. Heads numerous, small, yellowish. In- 
volucres cylindrical, scarcely shorter than the florets of the ray, 
finally spreading. — Waste ground, rare. A. VIII. IX. E. 
2. E. acris (L.) ; st. coi-ymbose, branches alternate bearing 
single heads, 1. linear-lanceolate entire spreading, lower 1. nar- 
rowed below, ray erect scarcely longer than the disk, inner female 
florets filiform numerous. — E. B. 1158. — St. erect, 6 — 18 in. 
high, simple below, branching in a corymbose manner above. 
Fl. yellow, the ray pale blue. — Drv gravelly places. B. VII. 
VIII. Fleabane. 
3. E. alpinns (L.) ; st. mostly with a single head, 1. lanceolate, 
lower 1. narrowed below, ray spreading twice as long as the disk, 
" inner female florets tubular-filiform numerous." — E. B. 464. 
St. 38. 11. — St. 4 — 8 in. high, usually terminating in a solitary 
head with a vellow disk and light purple ray. Involucre hairy. 
— ;3? vniflorus ; "involucre woolly, female florets all ligulate." 
E. umiflurus Sm. E. B. 241G. — Highland mountains. P. VII. 
VIII. E. S. 
6. (16.) Bellis Linn. 
1. B. perennis (L.) ; 1. obovate-spathulate single-ribbed cre- 
nate-dentate. — E. B. 424. — St. a short procumbent rhizoma 
producing 1. only at its extremity. Flowerstalks simple, each 
bearing a single head. Sometimes all the florets are ligulate, 
rarely all arc tubular. — Banks and pastures. P. III. — X. Daisy. 
7. (10.) Solidago Linn. 
1. /S. Virgaurea (L.) ; st. erect slightly angular, 1. lanceolate 
narrowed at both ends, lower 1. elliptical stalked serrated, raceme 
erect simple or compound, involucral scales lanceolate acute, fr. 
downy— E. B. 301. St. 9— St. usually 1—3 feet high, leafy, 
nearly simple, terminating in a long cluster of yellow heads. — 
|3. cambrica (Sm.) ; st. 2 — 6 in. high, 1. ovate-lanceolate, heads 
