215 
COMPOSITE. (COMPOSITE FAMILY.) 
branches minutely rough-pubescent; heads obovoid-cylindrical, in 
dense corymbed clusters; rays 15-20.— Copses and river-banks, 
common. — Stem 2° - 4° high : leaves 3' - 5' long. 
32. S. tenuifolia, Pursh. (Slender Bushy Golden-rod.) 
Smooth; leaves very narrowly linear , mostly \-nerved , dotted; heads 
obovoid-club-shaped, in numerous clusters of 2 or 3, disposed in a 
loose corymb; rays 6 — 12. — Sandy fields, Massachusetts to New 
Jersey and southward, near the coast. — More slender, with smaller 
and less clustered heads than the last. 
19. BIGELOTIA, DC. Rayless Golden-rod. 
Heads 3 - 4-flowered, the flowers all perfect and tubular : rays 
none. Involucre club-shaped, yellowish, the rigid somewhat glu¬ 
tinous scales linear, closely imbricated and appressed. Recepta¬ 
cle narrow, with an awl-shaped prolongation in the centre. Ache- 
nia somewhat obconical, hairy. Pappus a single row of capillary 
bristles. — A perennial smooth herb, simple or branched from the 
base, naked above, corymbose at the summit, with small heads in 
a flat-topped corymb. Flowers yellow. Leaves scattered, oblan- 
ceolate or linear, 1-3-nerved. (Dedicated by De Candolle to 
Dr. Bigelow , author of the Florula Bostoniensis, and the Amer¬ 
ican Medical Botany.) 
1. B. nildata, DC. — Swamps, pine barrens, New Jersey and 
southward. Sept. — Stem 1° high, slender. 
90. CHBY SOP SIS, Nutt. Golden Aster. 
Heads many-flowered ; the rays numerous, pistillate. Scales 
of the involucre linear, imbricated, without herbaceous tips. Re¬ 
ceptacle flat. Achenia obovate or linear-oblong, flattened, hairy. 
Pappus of all the flowers double, the outer a set of very short 
and somewhat chaffy bristles, the inner of elongated capillary 
bristles. — Chiefly perennial herbs, woolly or hairy, with rather 
large often corymbose heads, terminating the branches. Disk 
and ray-flowers yellow. (Name from xpvtros, gold , and o^is, 
aspect, in allusion to the golden blossoms.) 
1. C. Mariana, Nutt. Clothed with long and weak some¬ 
what deciduous silky hairs ; stem rather stout, leafy ; leaves oblong or 
elliptical , veiny , nearly entire, the upper closely sessile, the lower 
tapering at the base into a petiole ; heads (large) corymbed ; achenia 
compressed. — Dry sandy soil, Long Island to New Jersey and south¬ 
ward. Aug. — Plant 1° - 2P high. 
