93° FLORA. 



2. Chrysopsis falcata (Pursh) Ell. Sickle-leaved Golden aster. (I.F. 

 f. 3653.) Corymbosely branched above, rather stiff, leafy to the top. Leaves 

 linear, rigid, spreading, sometimes slightly curved, 2-6 mm. wide, obscurely 

 parallel-nerved; heads rather few, 6-10 mm. broad, terminating the branches; in- 

 volucre campanulate, its bracts slightly pubescent; achenes linear. In sandy soil, 

 eastern Mass. to N. J. July-Aug. 



3. Chrysopsis pilosa (Walt.) Britton. Cottony Golden Aster. (I. F. f. 

 3654.) Stout, 3-6 dm. high, branched above. Leaves spatulate or oblong, obtuse, 

 the lower and basal ones 2-7 cm. long, 6-10 mm. wide, the uppermost much 

 smaller; heads usually about 2 cm. broad, terminating the branches, bright yellow; 

 involucre hemispheric, its bracts densely pubescent when young, becoming glabrate; 



' achenes obovate. In pine-barrens, Va. to Fla. and Ala. Autumn. 



4. Chrysopsis Mariana (I>. ) Nutt. Maryland Golden Aster. (I. F. f. 

 3655.) Stout, 3-7 dm. high, loosely villous-pubescent with silky hairs when youna 

 at length nearly glabrous. Upper leaves oblong or lanceolate, acutish or obtuse, 

 sessile, 2-5 cm. long, the lower oblanceolate or spatulate and narrowed into a peti- 

 ole, generally obtuse, 5-10 cm. long and sometimes 25 mm. wide; heads commonly 

 numerous, 18-25 mm. broad, on glandular peduncles; involucre hemispheric, its 

 bracts glandular, acute, viscid-pubescent; achenes obovate. In dry soil, southern 

 N. Y. and Penn. to Fla. and La. Aug. -Sept. 



5. Chrysopsis camporum Greene. Prairie Golden Aster. (I. F. f. 3656.) 

 Stem erect, 3-7 dm. high, leafy up to the inflorescence.. Leaves lanceolate to ob- 

 long- lanceolate, entire, or with a few low distant teeth, acute, sessile, or the lower nar- 

 rowed into petioles, appressed -pubescent with short hairs, ciliate, at least near the 

 base, 2-7 cm. long, 4-10 mm. wide; heads 25-35 mm. broad, showy; involucre 

 nearly hemispheric, 1 cm. high, its bracts lanceolate, acuminate, pubescent; outer 

 pappus-bristles subulate. On prairies, 111. and Ky. to Mo. July-Sept. 



6. Chrysopsis villdsa (Pursh) Nutt. Hairy Golden Aster. (I. F. f. 3657.) 

 Stem villous or strigose-pubescent, 3-6 dm. high. Leaves oblong, lanceolate, or ob- 

 lanceolate, obtuse, 2-5 cm. long, 4-10 mm. wide, the upper sessile, the lowernarrowed 

 into a petiole, pale, persistently canescent with appressed hairs; heads rather few. 25 

 mm. broad or more; involucre hemispheric, 8-10 mm. high, its bracts linear-sub- 

 ulate, pubescent and often ciliate; achenes obovate. In dry soil, Minn, and 111. to 

 Ala., Manitoba, Br. Col. and Neb. July-Aug. 



7. Chrysopsis stenophylla (A. Gray) Greene. Stiff-leaved Golden As 

 TER. (I. F. f. 3658.) Low, slender, 15-25 cm. high. Leaves linear or slightl 

 broadened above, densely canescent and ciliate, acutish, 2-3 cm. long, 2-4 mn^ 

 wide, the margins revolute in drying; involucre hemispheric or broadly campan 

 late, its bracts pubescent or the outer densely ciliate; heads few, 12-20 mm. broa 

 In dry soil. Neb. to Ark. and Tex. Aug. -Sept. 



8. Chrysopsis hispida (Hook.) Nutt. Hispid Golden Aster. (I. F. 

 3659.) Lower than C. villosa, stem rarely over 3 dm. high, with spreading hi 

 suteor hispid pubescence. Leaves spatulate to oblong, entire, spreading, 18-35 mn 

 long, obtuse at the apex, narrowed at the base, often into petioles half as long ;s 

 the blade or more; heads smaller, often more numerous; involucre not over 8 ran 

 high, its bracts lanceolate, hirsute. In dry soil, Manitoba to Idaho, Kans. ari 

 Tex. July-Sept. 



9. Chrysopsis Nuttallii Britton. Nuttall's Golden Aster. (I. F 

 3660.) Pilose-pubescent with soft hairs and minutely glandular, 3-6 dm. higl 

 branched above. Leaves oblong-lanceolate, mostly acute, 2.5-6 cm. long, 4-10 mn 

 wide, entire, or the lower serrate or even incised; heads few, 15-25 mm. broac 

 terminating the branches; involucre hemispheric, its bracts glandular- viscic 

 achenes obovate. In dry soil, Kans. to La., Ark. and Tex. July-Sept. 



15. CHONDROPHORA Raf. 



Perennial stiff herbs, with alternate entire leaves, and corymbose-paniculate 

 discoid heads of yellow flowers. Involucre oblong or campanulate, its bracts rigid 

 and glutinous, imbricated in several series. Receptacle flat, generally foveolate, 

 naked. Corolla regular, tubular, the limb 5-cleft. Anthers obtuse at the 

 base. Style-branches flattened, their appendages lanceolate. Achenes oblong, 



