410 



COMPOSITAE. 



VOL. III. 



4. Aster furcatus Burgess. 

 Fig. 4285. 



Forking Aster. 



Aster furcatus Burgess ; Britt. & Brown, 111. Fl. 3 : 358. 

 1898. 



Stem leafy, ii high, or less, loosely forked above. 

 Leaves hispid above, hispidulous beneath, firm, sa- 

 liently cut-toothed, the lower ovate, short-petioled, 

 with a small or shallow sinus, the upper sessile, with 

 broad laciniate winged bases, often 5' long by 2^' 

 wide, the uppermost elliptic-oblong, often 3^' long; 

 teeth long and low, sharp; heads few (5-20), slender- 

 peduncled ; involucre turbinate to campanulate, with 

 a truncate or rounded base; rays 3-toothed; disk 

 turning brown, the florets funnelform with rather 

 broad lobes ; pappus long, straight ; achenes pubes- 

 cent, subangular, not constricted at the summit. 



In woods, especially on shaded cliffs, Indiana, Illinois 

 and Missouri. Aug.-Oct. 



5. Aster glomeratus (Nees) Bernh. Bern- 



hardi's Aster. Fig. 4286. 



Eurybia glomerata Nees, Gen. & Sp. Ast. 139. 1832. 

 Aster glomeratus Bernh. ; Burgess in Britt. & Brown, 

 111. Fl. 3: 358. 1898. 



Loosely clustered, dull green. Leaves not 

 large, mostly short-pilose beneath, thickish, 

 rough above; basal leaves present, these and the 

 lower stern leaves cordate with a deep, narrow 

 sinus, the teeth sharp, rather close and small ; 

 petioles slender, ciliate ; upper leaves much 

 smaller, ovate, truncate with a short broadly 

 winged base, or the uppermost ovate to lanceo- 

 late, sessile, entire; inflorescence compact, of 

 many glomerate clusters, round-topped ; heads 

 about 4" high; bracts pubescent, obtuse, green, 

 the inner twice as long as the outer; rays about 



6, cream-white, short, soon deciduous; disk 

 turning brown. 



In moist thickets or swamps, especially in ravines, 

 Maine to New York and Virginia. July. 



6. Aster Clayton! Burgess. Clayton's 

 Aster. Fig. 4287. 



Aster Claytoni Burgess ; Britt. & Brown, 111. Fl. 3 : 

 358. 1898. 



Similar to A. divaricatus, stems red, tough. 

 Leaves chiefly ovate-lanceolate, not large, rough, 

 thick, slender-petioled, coarsely serrate, pale, or 

 dull, the apex incurved-acuminate, the upper 

 spreading or deflexed, sessile by a broad base, 

 lanceolate-triangular, serrulate ; inflorescence high, 

 with percurrent axis, the long suberect branches 

 each bearing a small umbelliform cluster of heads ; 

 peduncles filiform, as long as the heads, 3" -4" 

 long; bracts pale; rays short, narrow, chiefly 6, 

 snow-white ; disks at first golden-yellow, finally 

 sienna-brown ; florets about 20, achenes densely 

 short-hairy. 



In sunny or slightly shaded rocky places, Maine to 

 New York and the mountains of Virginia. Sept. 



