680 COMPOSITAE 
Leaves deeply 3-lobed we We cet ey oe at ica ec Ean eee ie Ca 
Lower leaves deeply cut, forming a series of opposite lobes (pinnatifid) 
Pe ord oc! Cr ee ie Roe Os) hn. ae rain 
Lower leaves moderately cut, forming irregular sharp pointed lobes 
or only very’ ‘sharply toothed ) <3 9s) % .: +> i oll 3 Gieanuliomesregsanre 
Lower leaves spatula-formed, lance-shaped or egg-shaped with irregular, 
not very sharp teeth ite sic teho ere. cath Cel) So", cwmhie mcg) erent CORMNTAei EERE 
Leaves all lance-shaped, not deeply toothed or cut. . . . . . R. hirta 
1. R.triloba, L. (Fig. 2, pl. 189.) THIN-LEAVED CONE-FLOWER. 
Stem erect, somewhat branched, rather rough, 2 to 5 ft. high. Leaves thin, 
rough on both sides, the lower deeply cut into 3 lobes, on leaf-stalks, the 
upper lance-shaped to egg-shaped, 3-nerved, without leaf-stalks. Heads 
about 2 in. broad, each on a slender flower stem; rays 8 to 12, yellow, or 
at base purple, Involucre bracts linear. Moist soil, New Jersey and south- 
ward. June-Oct. 
2. R.hirta, L. (Fig. 1, pl. 189.) Buack-Eyep Susan. YELLOW 
Daisy. Usually very hairy throughout. Stem simple or with few 
branches. Leaves all lance-shaped with remote low teeth at the margins 
or entire, 3-nerved, the lower narrowed at base to a leaf-stalk. Heads 
few, 2 to 4 in. broad; the disk glogose or egg-shaped with dark purple or 
brownish tubular florets; rays 10 ot 20, orange; bracts of the involucre 
very hairy. Very common in fields and meadows. May-Sept. 
3. R. fulgida, Ait. (Fig. 4, pl. 189.) Orance Conr-FLower. Stem 
1 to 3 ft. high, slender, somewhat branching, rough. Leaves, the upper 
broad lance-shaped with rather remote, not sharp teeth, mostly tapering 
to a leaf-stalk at base, or directly attached to the stem; the lower leaves 
broadly egg-shaped, spatula-formed, lance- or inversely-lance-shaped. Heads 
with rounded disks and dark brown-purple tubular flowers; rays 10 to 15, 
deep orange or bright yellow. Southern part of our area. Aug.-Oct, 
4. R. speciosa, Wenderoth. (Fig. 5, pl. 189.) Stowy CoNE-FLOWER. 
Stem usually simple, 1 to 3 ft. high, more or less hairy. Lower leaves 
somewhat deeply slashed, forming shallow lobes with sharp points or with- 
out lobes, but with very sharp and conspicuous teeth; upper leaves lance- 
shaped with a few low and remote teeth or with none. Heads in a spread- 
ing cluster, the disk rounded, high, light brown; the rays nearly or quite 
an inch long, light yellow. Moist soil. Aug.-Oct. 
5. R. laciniata,L. (Fig. 3, pl. 189.) Tart Conr-FLowEr. Stem 3 to 
12 ft. high, branched, smooth or nearly so. Lower leaves 3 to 5 lobed, the 
lobes themselves deeply cut into 3 to 5 subordinate lobes. Upper leaves 
lance-shaped, rough. Heads usually numerous, the disk greenish yellow 
rounded or conical to almost eylindriec; rays drooping 6 to 10, bright yel- 
low. Moist thickets. July-Sept. 
31. HELIANTHUS, L. 
Tall branching herbs with (in all our species) the lower leaves oppo- 
site, the upper alternate; and with large heads of tubular and radiate 
flowers, the rays yellow. Heads with several or many rays which do not 
produce fruit; disk flowers yellow, brown or purple, producing fruit. In? 
voluere of several series of overlapping bracts, which are more or léss 
leaf-like. Reeeptacle flat or convex, chafly. Style branches tipped with 
hairy appendages, 
