GENUS 31. 



THISTLE FAMILY 



13. Aster multiformis Burgess. Various- 

 leaved Aster. Fig. 4294. 



Aster multiformis Burgess ; Britt. & Brown, 111. Fl. 

 3: 361. 1898. 



Deep green, minutely glandular; stem erect, 

 slender, i-2 high, angular-striate in drying. 

 Basal leaves usually 2, large, thick, cordate- 

 oblong, often accompanied by later smaller ob- 

 long ones ; stem leaves very thin, sharply ser- 

 rate, rough above, minutely puberulent beneath, 

 the lower ovate, acuminate, usually with a nar- 

 row sinus, the upper oval to ovate-lanceolate, 

 petioled, the uppermost elliptic-lanceolate, ser- 

 rulate, sessile or nearly so ; inflorescence small, 

 its branches upwardly curved ; heads about 7" 

 high ; rays about 13, rounded and retuse at the 

 apex ; bracts green, glands few, almost hidden 

 by the minutely strigose pubescence of the pe- 

 duncles. 



In moist shaded places, Maine to western New 

 York, Pennsylvania and Maryland. July-Aug. 



14. Aster nobilis Burgess. Stately Aster 

 Fig. 4295. 



Aster nobilis Burgess ; Britt. & Brown, 111. Fl. 3 : 361. 

 1898. 



Tall, minutely glandular above; stem shining, 

 bright green, 4 -5 high. Leaves thin, but firm, 

 smooth in growth, roughened in drying, mi- 

 nutely puberulent beneath, dark green, basal and 

 lower leaves large, the blade often o/ long by 6' 

 wide, about as long as the stout petiole, sharply 

 toothed, the sinus deep, broad, or the lobes over- 

 lapping ; stem leaves similar, the upper oblong- 

 lanceolate, sessile; inflorescence irregularly cy- 

 mose-paniculate, with small subulate recurved 

 leaves ; bracts long, acute, green ; heads 6" high, 

 or less; rays 13-15, violet-blue or pale violet; 

 disk-flowers not numerous, their corollas funnel- 

 form with a long capillary tube. 



In leaf-mold, Lake Champlain to Lake Erie. Aug. 



15. Aster anomalus Engelm. Many- 

 rayed Aster. Fig. 4296. 



Aster anomalus Engelm. ; T. & G. Fl. N. A. 2 : 503. 

 1843. 



Stem rough, rather stout, branched above, 

 l-3 high. Leaves thin, the lower and basal 

 ones deeply cordate, ovate, or ovate-lanceolate, 

 entire or slightly repand, rough-pubescent on 

 both surfaces, acute or acuminate at the apex, 

 3'~4' long, i'-2 f wide, on slender naked peti- 

 oles ; upper leaves short-petioled or sessile, 

 lanceolate, oblong, or linear, much smaller ; 

 heads few, 4"-6" high, I2"-I5" broad ; recep- 

 tacle hemispheric, its bracts lanceolate, acute, 

 or acuminate, hirsute, imbricated in several 

 series, their foliaceous tips spreading or re- 

 flexed ; rays 30-45, 5 "-6" long, bright violet- 

 blue ; pappus whitish. 



On limestone cliffs, Illinois to Missouri and 

 Arkansas. Sept. 



