95 2 FLORA. 



7 cm. long and i cm. wide ; uppermost leaves short-oblong with a narrowed sessile base. 

 In clearings and open gravelly or sandy places, N. Y. and Penn. 



Aster macrophyllus biformis Burgess. Small, stocky, with 3 or 4 small oval closely 

 crenate spongy-thickened lower leaves with long slender petioles, the sinus deep, narrow, 

 the teeth triangular to semicircular ; stem-leaves crowded, much reduced, subentire, ovate- 

 oblong, subsessile ; inflorescence nearly naked, dense, convex, usually i dm. broad ; stri- 

 gose pubescence little developed ; rays lilac. In open grassy sunny situations, forming 

 small patches, Me. to Ont. and Lake Erie. 



Aster macrophyllus pinguifblius Burgess. Stems stout, leafy, glabrous, about 6 

 dm. high ; basal and lower leaves large, forming extensive patches, deep green above, 

 very pale beneath, many of them appearing greasy, some roughening in drying ; petioles 

 fleshy, sometimes 23 cm. long; inflorescence broad, flat-topped; heads large ; rays laven- 

 der to almost white ; only the upper leaves sessile. Borders of woods, Conn, and L. I. 

 to Minn. 



Aster macrophyllus excelsior Burgess. Stem robust, glabrous, often 12 dm. tall, 

 purple, or glaucous; leaves mostly very smooth, pale, numerous, narrower, cordate- 

 oblong to ovate-lanceolate, chiefly sessile ; rays deep lilac to violet. Along paths and 

 borders of rocky woods, Ont. and western N. Y. to Mich. 



11. Aster roscidus Burgess. DEWY-LEAF ASTER. (I. F. f. 3744.) Clam- 

 my-hairy, odorous, copiously glandular when young, somewhat so at maturity; stem 

 9 dm. high, or less. Basal leaves in close colonies, coriaceous, cordate-quadrate, low- 

 serrate, the sinus deep, narrow ; stem-leaves chiefly orbicular and not cordate, with 

 short broadly winged petioles, rarely slender-petioled ; involucre hemispheric, its 

 bracts chiefly with rounded ciliate tips; rays 14-16, broad, clear violet ; disks at 

 first golden yellow, soon turning red. In slight shade and rich cleared woodlands, 

 Me. to Penn. and Mich., Aug. -Sept. 



12. Aster ianthinus Burgess. VIOLET WOOD ASTER. (I. F. f. 3745.) 

 Glandular, dark green, slightly strigose-pubescent. Stem erect, or decumbent, 6-9 

 dm. tall ; leaves thinnish, rough, the lower and basal ones orbicular to oblong, 12 cm. 

 long, or less, abruptly acuminate, low-serrate or crenate, the sinus broad, open, 

 shallow ; inflorescence open, nearly naked; peduncles slender, divergent ; heads 

 large ; rays 10-13, l n g> very deep violet or sometimes pale, 8-12 mm. long, bracts 

 green-tipped, little pubescent. On shaded banks and along woodland paths, Me. 

 to Lake Erie and W. Va. July-Oct. 



13. Aster violaris Burgess. VIOLET-LEAF ASTER. (I. F. f. 3746.) Caudex 

 thick, fleshy; plant glabrate, bluish green, minutely glandular. Stem slender, 

 erect, or assurgent, 6 dm. high, or less; basal and lower leaves broadly reniform, 

 abruptly acuminate or apiculate, often 7 cm. long and 10 cm. wide, their slender 

 petioles 15-20 cm. long, the sinus very broad and shallow; middle stem-leaves 

 similar, not cordate; the upper numerous, long-elliptic, chiefly with narrowed 

 bases, all thin, firm; rough above; inflorescence leafy, small, loose, nearly level- 

 topped; heads 12 mm. high, or more; rays 12-15, pale violet, narrow. In shaded 

 moist places, sometimes in leaf-mold among rocks, N. Y. from the Hudson to 

 Lake Erie. Sept. -Oct. 



14. Aster multiformis Burgess. VARIOUS-LEAVED ASTER. (I. F. f. 3747.) 

 Deep green, minutely glandular. Stem erect, slender, 3-6 dm. high, angular- 

 striate in drying. Basal leaves usually 2, large, cordate-oblong; stem-leaves very 

 thin, sharply serrate, rough above, minutely puberulent beneath, the lower ovate, 

 acuminate, usually with a narrow sinus, the upper oval to ovate-lanceolate, peti- 

 oled, the uppermost elliptic-lanceolate, serrulate, sessile or nearly so; inflorescence 

 small, its branches upwardly curved; heads about 14 mm. high, rays about 13, 

 rounded and retuse at the apex ; bracts green, glands few, almost hidden by the 

 minutely strigose pubescence of the peduncles. In moist shaded places, Me. to 

 western N. Y., Penn. and Md. July-Aug. 



15. Aster nobilis Burgess. STATELY ASTER. (I. F. f. 3748.) Tall, 

 minutely glandular above; stem shining, bright green, 12-15 dm - hi g h - Leaves 

 thin, but firm, smooth in growth, roughened in drying, minutely puberulent 

 beneath, dark green, basal and lower leaves large, the blade often' 22 cm. long 

 by 15 cm. wide, about as long as the stout petiole, sharply toothed, the sinus 

 deep, broad, or the lobes overlapping; stem-leaves similar, the upper oblong- 

 lanceolate, sessile; inflorescence irregularly cymose-paniculate ; bracts long, acute, 

 green; heads 12 mm. high, or less; rays 13-15, violet-blue or pale violet. In leaf, 

 mold, Lake Champlain to Lake Erie. Aug. " 



