202 
45. COMPOSITE. 
Tribe III. Asteroidece. 
Fl. of ray female or neuter, ligulate (or in Limsip ls 0) ; of 
disk tubular. Anth. not tailed. Style-branches flattened with 
a subconical tip. Leaves alternate. 
4. (7.) Aster Linn, em., Koch. Starwort. 
1. A. Trip6liuij( (L.) ; st. glabrous corymbose,!, linear-lan- 
ceolate fleshy smooth, involucre imbricate, phyll. blunt mem- 
branous the inner ones longer. — E. B. 87. R. xvi. 907. — St. 1 
— 2 feet high, erect, leafy, many-flowered. Heads large ; disk 
yellow ; rays bright blue, often wanting, [a dwarf form branched 
from the base, from X. of Scotl., is referred to var. arcllcun (Fr.)]. — 
Muddy salt marshes. P. VIII. IX. E. S. I. 
\_A. salignus (AV.) is established in Wicken Fen, Cambridge- 
shire, and A. /ongifolius ' at and about Seggieden, Perth ; but 
they are probably both escapes from gardens. A. Xovi-Belgii 
(L.) and other species are occasionally found.] 
5. (8.) Erig'eeon Linn. em. Less. Fleabane. 
*1. E. canaden'sc (L.) ; st. much branched hairy panided 
'//*aw(/-/imc?ec?,l. linear-lanceolate ciliate. — E. i>.2019. — St. erect, 
1 — 2 feet high. Heads many, small, yellowish. Inv. cylindri- 
cal, scarcely shorter than tTie fl. of the ray, finally spreading. — 
Waste ground, rare (American). A. VIII. IX. E. 
2. E. acre (L.) : st. corymbose, branches alternate, usually 
1 -headed, 1. linear-lanceolate entire spreading, lower 1. narrowed 
below, ray erect scarcehi longer than the disk, inner female fl. 
filiform ma.ny.—E. B. il58. R. xvi. 917.— St. erect, 6—18 in. 
high, simple below, corymbosely branched above, often several 
from one root. Fl. yellow, the ray pale blue. — Dry gravelly 
places and walls. B. VII. VIII. Blue Fleabane. E. S. I. 
3. E. alpinwii (L.) ; st. mostly with a single head, 1. lanceo- 
late, lower 1. narrowed below, 7-ay spreading twice as long as 
the disk, inner female fl. tubular filiform many. — E. 7^. 464. 
A', xvi. 914.— St. 4 — 8 in. high, usually ending in a solitary 
head with a yellow disk and light-purple ray. Inv. hairy. — 
1 Prof. Asa Gray referred the Perthsh. plant to A. Novi-litlgil. — H. & .1. G. 
