642 COMPOSITAE 
8 CHRYSOPSIS, Nutt. 
Perennial herbs, with alternate leaves and clusters of heads with yellow 
tubular and ray flowers. Involucre of several overlapping series of scales. 
Receptacle flat. Ray flowers with pistils, no stamens; the flowers of the 
disk generally with both stamens and pistils. Aigrette double, the inner 
series of rough bristles, the outer of scales or short bristles. 
iLeaves\*linear, -smooth, (or Hairy ‘utes sy fel) 's! sie) pee) (oie ometC mn nua ered 
Upper leaves thread-like <3 . (5 “5 « « « ‘© « « « Gs -gvamininons 
Meaves ‘oval;) Hairy" 7 (5 «| fe Melee Ssle’ es 0) ellrss Wot marcel terre NS 
1. C. falcata, Ell. (Fig. 6, pl. 172.) SicKLE-LEAVED GOLDEN ASTER. 
Stem branched above, 4 to 12 in. high, when young woolly above. Leaves 
narrowly linear with entire margins. Flower heads nearly 3 in. broad, 
in a diffuse cluster. Sandy soil, eastern section of our area. July-Aug. 
2. C. graminifolia, (Michx.) Nutt. (Fig. 5, pl. 172.) Grass- 
LEAVED GOLDEN ASTER. Resembles C. falcata, but the down (pubescence) 
of this species is silvery, while that of C. falcata is woolly. Stem 1 to 
3 ft. high, slender, branching; leaves linear, the basal ones 3 to 4 in. long. 
Heads several or many. Delaware, and south. Aug.-Oct. 
3. C. Mariana, Nutt. (Fig. 7, pl. 172.) MaAryLanp GoLDEN ASTER. 
Stem branched above, 4 to 12 in. high, when young woolly above. Leaves 
oval, without leaf-stalks, 1 to 2 in. long. Dry soil, southern part of our 
area. Aug.-Sept. 
g. CHONDROPHORA, Raf. (Bigelowia, DC.) 
Stiff herbs, mostly western, with alternate leaves without lobes or teeth 
and with yellow tubular flowers in heads of 3 or 4, in diffuse terminal 
clusters. Bracts of the involucre yellowish, in closely overlapping series. 
Receptacle small, flat, naked. Anthers obtuse at the: base. Aigrette of 
a single row of hair-like unequal bristles. 
C. nudata, (Michx.) Britton. RayLEss GorpENRoD. Stem 1 to 24 
ft. high, simple below, branching above. Lower leaves clustered, lance- or 
spatula-shaped; upper leaves remote, small, leaving the stem nearly naked. 
Heads of flowers small in a flat-topped cluster. Southern part of our 
area. Aug.-Oct. 
10. SOLIDAGO, L. 
Perennial herbs, with mostly slender simple stems and alternate leaves 
and with numerous or few small heads of flowers, both ray and tubular, 
mostly yellow, rarely white, in terminal clusters of various forms. Ray 
flowers 1 to many, all pistillate. Disk flowers tubular, nearly all with 
both stamens and pistils. Involucre of several series of overlapping bracts. 
Receptacle small, not chaffy. Aigrette of numerous rough bristles, in 1 
or 2 series. 
Flower heads not in one-sided (secund) clusters, but in narrow, spike-like 
terminal groups. 
Heads in compact axillary clusters. ‘ 
Ray ‘flowers! white... ss 6 bem oe elle) (6. Sieenh set i OMmEDaeUnae 
Rays yellow. 
Tips of involucre scales turned outward or backward . S. squarrosa 
Tips not turned outward or backward. : 
Leaves lance-shaped . 1. « 0 © «© «© «© «© «© «© S. COesia 
Leaves égp-shaped « + 0: «9s “some, 1s. 6) eeneonVigue 
