246 COMPOSITE. (COMPOSITE FAMILY.) 



small heads in a flat-topped corymb. Flowers yellow. Leaves scattered, oblan- 

 ceolate or linear, 1 -3-nerved. (Dedicated by DeCandolle to Dr. Jacob Bigelow, 

 author of the Florulu Bostoniensis, and of the American Medical Botany.) 



1. B. nudata, DC. Low pine barrens, New Jersey (rare), and south- 

 ward. Sept. 



21. CHRYS6PSIS, Nutt. GOLDEN ASTER. 



Heads many-flowered, radiate ; the rays numerous, pistillate. Scales of the 

 involucre linear, imbricated, without herbaceous tips. Receptacle flat. Achenia 

 obovate or linear-oblong, flattened, hairy. Pappus in all the flowers double, the 

 outer of very short and somewhat chaffy bristles, the inner of long capillary 

 bristles. Chiefly perennial, low herbs, woolly or hairy, with rather large often 

 corymbose heads terminating the branches. Disk and ray-flowers yellow. 

 (Name composed of \pvar6s, gold, and &//, aspect, from the golden blossoms.) 



* Leaves narrowly lanceolate or linear: achenia linear. 



1. C. graminifblia, Nutt. Silvery-silky, with long close-pressed hairs; 

 stem slender, often with runners from the base, naked above, bearing few heads ; 

 leaves lanceolate or linear, elongated, grass-like, nerved, shining, entire. Dry sandy 

 soil, Delaware to Virginia, and southward. July -Oct. 



2. C. falcata, Ell. Stems (4' -10' high) very woolly; haves crowded, 

 linear, rigid, about 3-nerved, entire, somewhat recurved or scythe-shaped, liairy, or 

 smooth when old, sessile; heads (small) corymbed. Dry sandy soil on the 

 coast, pine barrens of New Jersey to Nantucket and Cape Cod, Mass. Aug. 



* * Leaves oblong or lanceolate, entire or slightly serrate, mostly sessile, veined, not 

 nerved ; achenia obovate, flattened. 



3. C. gOSS^pina, Nutt. Densely woolly all over ; leaves oblong, obtuse (!'- 

 2' long) ; heads larger than in the next. Pine barrens, Virginia and south- 

 ward. Aug. - Oct. 



4. C. Mariana, Nutt. Silky with long and weak hairs, or when old smooth- 

 ish ; leaves oblong ; heads corymbed, on glandular peduncles. Dry barrens, 

 from S. New York and Penn., southward, near the coast. Aug. - Oct. 



5. C. Vill6sa, Nutt. Hirsute and villous-pubescent ; stem corymbosely 

 branched, the branches terminated by single short-peduncled heads ; leaves 

 narrowly oblong, hoary with rough pubescence (as also the involucre), bristly-ciliate 

 toward the base. Dry plains and prairies, Wisconsin to Kentucky, and west- 

 ward. July -Sept. 



22. INULA, L. ELECAMPANE. 



Outer scales of the involucre sometimes leaf-like. Achenia terete or 4-sided. 

 Pappus simple, of capillary bristles. Anthers with 2 tails at their base. Other- 

 wise much as in the last genus. (The ancient Latin name.) 



1. I. HELENIUM, L. (COMMON ELECAMPANE.) Stout perennial (3 -5 

 high) ; leaves large, woolly beneath; those from the thick root ovate, petioled, 

 the others partly clasping ; rays very many, narrow. Roadsides, escaped 

 from gardens. Aug. Heads very large. Root mucilaginous. (Nat. from Eu.) 



