CARDUACEAE. 441 



1. Aster lucayinns Britton, Bull. N. Y. Bot. Gard. 4 : 143. 1906. 



Eootstoek short, tuber-like; stems erect, 5-7 dm. high. Leaves retieulate- 

 veined, entire, sessile (basal ones not seen), the lower oblanceolate, obtuse, those 

 above the middle of the stem lanceolate to oblong-lanceolate, acuminate, 2-3.5 

 cm. long, 5-8 mm. wide, those of the inflorescence similar, smaller; heads 

 racemose or racemose-oampanulate, about 2 cm. broad; peduncles slender, 

 sericeous; involucre turbinate-campanulate, its bracts loose, narrowly oblong- 

 lanceolate, acuminate, sericeous, the inner 5-7 mm. long; rays purple, 2 mm. 

 wide; aehenes sericeous, 3 mm. long, half as long as the whitish pappus. 



Pine-land'g of Great Bahama. Endemic. Pine-land Asteb. 



2. Aster adnatus Nutt. Jour. Acad. Sci. Phila. 7: 82. 1834. 



Eootstook tuberous; stem 2-8 dm. high, hispidulous, branched. Leaves 

 various, the basal ones obovate, 1.5-2.5 cm. long, those of the stem numerous, 

 oblong to lanceolate, 3-12 mm. long, scabrous, sessile, those of the branches 

 reduced to very small scales; heads few^ terminating the branches; involucre 

 4-6 mm. high, its linear bracts with slightly spreading green tips; rays 

 numerous, violet, 7-10 mm. long; aehenes glabrous. 



Pine-lands of Great Bahama : — southeastei-n United States. Scale-leaved Astek. 



3. Aster Bracei Britton; Small, Fl. Miami 190. 1913. 



Annual? Tleshy, glabrous, roots several coarse fibres; stem rather 

 slender, often zigzag, branched above, the branches divaricately ascending; 

 leaves all narrowly linear, thick, entire, acute, somewhat narrowed toward the 

 clasping base, the lower ones and those of shoots 10 cm. long or less, 3—4 mm. 

 wide, the upper much shorter, those of the branches few, linear-subulate, very 

 small; heads mostly solitary at the ends of the slender branches; involucre 

 campanulate-cylindrie, 3—4.5 mm. high; bracts in 3 or 4 series, light green, 

 linear to linear-lanceolate, abruptly acute or short-acuminate; rays pinkish, 

 4-5 mm. long; aehenes 1-1.5 mm. long, rough on the angles. 



Brackish marshes and savannas, Abaco, Great Bahama, Andres, New Provi- 

 dence : — Floa'ida ; Cuba. Eecorded as A. tenuifolius by Coker. Brace's Astbe. 



4. Aster exilis Ell. Bot. S. C. & Ga. 2 : 344. 1824. 



Annual, glabrous, somewhat fleshy, erect, 3-12 dm. high, usually much 

 branched, the branches slender. Stem-leaves linear or linear-lanceolate, 2-10 

 cm. long, entire, acute, sessile or nearly so, 2-5 mm. wide, those of the branches 

 subulate, 2-10 mm. long, Ihe basal ones oblong-lanceolate, petioled; heads 

 usually many, loosely panicled; involucre 5-6 mm. high, its linear-subulate, 

 appressed bracts imtoricated in 3 or 4 series; rays several, 2-4 mm. long, 

 purplish or white, longer than the pappus; aehenes pubescent. 



Wet grounds, Audros : — southeastern United States ; Cuba. Slim Asteb. 



5. Aster bahamensis Britton, Bull. Torr. Club 41; 14. 1914. 



Stout, fibrous-rooted, slightly fleshy, glabrous, 3-20 dm. high. Lower 

 leaves and those of sterile shoots with sheathing petioles 4-7 cm. long, the 

 blades oblong to linear-oblong or oblong-lanceolate, obtuse or acute, 4^8 em. 

 long, 5-20 mm. wide, sparingly crenate-dentate or entire, narrowed into the 

 petiole, the midvein prominent, the lateral veins obscure; upper stem-leaves 

 linear, entire, 6 cm. long or less, those of the branches nearly subulate, 3-12 

 mm. long; heads numerous, paniculate; involucre nearly cylindrie, 6-8 mm. 

 high, its bracts linear, acuminate, about 0.7 mm. wide, green with scarious 

 margins, or the inner merely green-tipped; rays purple, 4-5 mm. long; aehenes 

 columnar, 2.5 mm. long, the angles roughened; pappus brownish, twice as long 

 as the achene. 



Moist grounds and marshes. Great Bahama, Andros, Eleuthera and Cat Island : — 

 Cuba. Bahama Asteb. 



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