9^0 Ff.ORA. 



51. Aster Radula Ait. Low Rough Aster. File-blade Aster. (I. F. f. 

 3783.) Stem glabrous, or puberulent above, corymbosely branched near the sum. 

 mil. 3 6 dm. high. Leaves sessile, rough above, more or less pubescent beneath, 

 oblong-lanceolate, acute, sharply serrate, strongly pinnately veined, 5-7 cm. long, 

 6-25 mm. wide; heads several, or sometimes numerous, 25-35 mm. broad; involucre 

 hemispheric, its bracts oblong or oblong-spatulate, coriaceous, appressed-pubes- 

 cent, conspicuously ciliolate, their green obtuse tips appressed; rays 20-30, violet, 

 8-12 mm. long; achenes glabrous, striate; pappus nearly white. In swamps, Del. 

 and southern Penn. to Newf, July- Sept. 



Aster R&dula biflftrus (Michx.) Porter. Lower, very slender; heads 1-3; leaves nar 

 rower, less serrate or entire; involucral bracts, or some of them, acute. Mountains ot 

 N. Eng. to Labr. and Newf. Perhaps a distinct species. 



52. Aster Herveyi A. Gray. Hervey's Aster. (I. F. f. 3784.) Stem 

 roughish, at least above, slender, simple or corymbosely branched, rarely panicu- 

 late, 3-9 dm. high, the branches glandular-puberulent. Leaves firm, rough above, 

 pubescent on the veins beneath, the basal and lower ones on slender naked 

 petioles, ovate, with low usually distant teeth, acute, narrowed, rounded or rarely 

 cordate at the base, 5-15 cm. long, 2-7 cm. wide; upper leaves sessile, or nar- 

 rowed into winged petioles, smaller, entire or nearly so; heads 25-35 mm. broad; 

 involucre turbinate or campanulate, its bracts appressed, or sometimes spreading, 

 densely glandular, oblong or spatulate, obtuse or mucronulate; rays 15-25, violet, 

 10-14 mm. long; achenes minutely pubescent, striate; pappus nearly white. In 

 dry soil, eastern Mass., Conn, and R. I. Aug. -Oct. 



53. Aster turbinellus Lindl. Prairie Aster. (I. F. f. 3785.) Stem 

 slender, paniculately branched, glabrous below, puberulent above, 6-9 dm. high. 

 Leaves firm, lanceolate, or oblong-lanceolate, entire, ciliate, acute or acuminate, 

 5-7 cm. long, the lower and basal ones petioled, the upper sessile, those of the 

 branches much smaller; heads about 25 mm. broad, mostly solitary at the ends of 

 the branches ; involucre turbinate, its bracts oblong, coriaceous, obtuse, appressed, 

 imbricated in 5 or 6 series, their tips green only at the apex; rays 10-20, 6-10 mm. 

 long, violet; pappus tawny; achenes finely pubescent. In dry soil, especially on 

 prairies, 111. to Mo., Kans., La. and Ark. Sept-Oct. 



54. Aster Nebraskensis Britton. Nebraska Aster. (I. F. f. 3786.) 

 Stem strictly erect, slender, stiff, rough to the base, simple, or with a few short 

 nearly erect branches, very leafy, 4-7 dm. tall. Leaves thick, rather rigid, ascend- 

 ing, lanceolate to oblong-lanceolate, sessile by a subcordate base, acute or acumi- 

 nate at the apex, 2-7 cm. long, 8-12 mm. wide; very rough on both sides, the mid- 

 vein prominent beneath, the lateral veins obscure; heads few, terminating short 

 leafy branchlets, 25-30 mm. broad; involucre broadly campanulate or hemispheric, 

 about 6 mm. high, its bracts green, oblong, acute, imbricated in several series, the 

 outer quite foliaceous; rays purple, about 12 mm. long. Lake shores, central Neb 

 Sept. 



5<J. Aster Priceae Britton, n. sp. Miss Price's Aster. Stem pubescent, 

 widely branched, 3-7 dm. high. Basal leaves oblanceolate, obtuse or acutish, 

 entire, petioled, 3-7 cm. long, the petioles ciliate, broad; stem-leaves linear-lance-, 

 olate, sessile, ciliate, acuminate, 2-5 cm. long, those of the branches similar but j 

 smaller; involucre nearly hemispheric, about 6 mm. high, its bracts linear, the 

 outer gradually acuminate, green, the inner a little broader, abruptly acuminate, 

 acute or obtusish; heads about 2.5 cm. broad; rays bright purple or pink. Ky. 

 and N. C. Type collected by Sadie F. Price near Bowling Green, Ky. Oct. 

 Similar to A. ericoides pilosus but with pink or purple rays. 



56. Aster Kentuckiensis Britton, n. sp. KENTUCKY Aster. Glabrous, over 

 3 dm. high, the numerous branches diverging. Upper leaves all linear-subulate, 

 1.5 cm. long or less, ascending, sessile, revolute-margined; heads solitary at the 

 ends of the branchlets. about 2.5 cm. broad; rays pink or purple; involucre about 

 8 mm. high, its linear-subulate bracts all gradually acuminate, much resembling 

 the upper leaves. Near Bowling Green. Ky., Sadie F. Price, Oct.. 1808. 



57. Aster paluddsus. Ait. Southern Swamp Aster. (I. F. f. 3787.) 

 Stem roughish, or rough-pubescent, slender, simple, orsomcwh.it branched atx>ve, 

 3-7 dm. high. Leaves linear, entire, glabrous, the margins rough or ciliate, rather 



