AN ENCYCLOPAEDIA OF HORTICULTURE. 



137 



Aster con.tnu.sd. 



A. amygdalinns (Almond-leaved), Jl.-headt white; involucre 

 closely imbricated. August Z. lanceolate, narrowed at base, 

 acuminated, scabrous at edge. Stem simple, corymbose at end. 

 A. 2ft North America, 1759. 



A. argentens (silvery).* Jl.-headt purple. August Z. oblong 

 lanceolate, silky, sessile. Stem slender, decumbent loosely 

 branched ; branches and branchlets one-headed. A. 1ft North 

 America, 1801. 



A. belli diflorns (Daisy -flowered), fl.-headt pale red; involucre 

 with spreading scales. September. Z. amplexicanl, narrow- 

 lanceolate, scabrous above, lower sub-serrated. Stem much 

 branched. A. 3ft North America, 



A. Bigelovll (Bigelow-s).* JL-headt corymbose, 2*in. diameter, 

 ray-florets lilac, disk yellow. Summer. Z. scabrous pubescent, 

 oblong-spathulate ; cauline ones amplericaul, ovate-oblong, cre- 

 nate, obscurely -toothed A. 2ift Colorado, 1878. A very hand- 

 some biennial species. SYX. A. Toumshendi. 



A. blandus (charming). Jl.-headt pale purple ; racemes scarcely 

 longer than the leaves. October. L snb-amplexicaul, oblong- 

 lanceolate, acuminate, sessile, smooth. Stem pyramidal. A. 2ft 

 North America, 1800. 



A. canescens (hoary). JL-headt pale purple; involucre imbri- 

 cated, very acute, longer than disk. September. Z. linear. 

 Panicle corymbose, much branched, leafy. A. 2ft North America, 

 1812. Biennial or perennial 



A. cassiarabicns (Arabian Cassia). JUuadt pink; panicles 

 corvmbose. September. Z. ovate, acute, serrated, tapering at the 

 petioles. Plant erect, pilose, A 2ft Bussia, 1834. 



A. cancasicns (Caucasian).* Jl.-headt purple., solitary ; scales of 

 involucre nearly equal, linear. July. Z. ovate, sessile, scabrous. 

 A. 1ft CaucasusTlSM. 



A. ciliatns (ciliated). Jl.-headt white. September. Z. ciliated ; 

 cauline ones linear-lanceolate, nerved ; those of the branches very 

 short lanceolate, three-nerved. Stem branched, downy ; branches 

 downy. A. 3ft North America. 



A. condnnns (neat).* JL-headt puiple ; involucre closely imbri- 

 cated. October. Z. sub-amplexicaul, lanceolate ; lower ones sub- 

 serrate, smooth. Stem simple, panicled at end. A. 2ft North 

 America, 1800. 



A. concolor (one-coloured). Jl.-headt purple; raceme terminal 

 October. 1. oblong-lanceolate, hoary on each side. Stem simple, 

 erect, downy. A. Ift North America, 1759. 



A. conyzioides (Conyza-like>, Synonymous with Serieocaryut 

 eonyzioidet. 



A. cordifolins (heart-leaved). JL-headt blue, small, disposed in 

 crowded racemes, which are slightly drooping. July. Z. cordate, 

 pilose beneath, finely serrated, stalked. Stem smoothish, 

 panicled ; panicle spreading. A. 2ft North America, 1759. 



A. coridifolins (Cons-leaved). Jl.-headt pale blue. October. 

 Z. very numerous, linear, blunt, reflexed, hispid at edge. Stem 

 branched, diffuse, smooth ; branches one-headed. A. 1ft North 



FIG. 179. ASTKR CORYMBOSUS, showing Habit and Flower-head. 



A. corymbosus (corymbose). Jl.-headt corymbose, about lln. 

 in diameter; ray -florets few, narrow, white; disk-florets pale 



or 



Aster continued. 



yellow. Autumn. I. Sin. lone, cordate acute, lobed at the 

 base, coarsely toothed. Stemsbrittle, blackish pnrple. A. 2ft 

 to3ft SYN. Biotia corymboga. SeeFigJm 



A. difitasns (diffuse). JL-headt white; involucres imbricated. 

 October. Z. elliptic-lanceolate, equal, serrated, smooth. Branches 

 spreading. Stem pubescent A. 2ft North America, 1777. 

 Donglasii (Douglass).* JL-headt purple ; involucral scales linear 

 >r spathulate-hnear, loosely imbricated. August Z. lanceolate 

 acute, entire, or rarely serrate, mostly tapering at the base. Stem 

 smooth, slender, paniculately branched, leafy. A. 3ft to 4ft. 

 California, &c. 



A. dracnncnloides (Tarragon -like).* JL-Aeadt white, about 1 in. 

 across, disposed in dense cymose clusters ; involucre imbricated 

 September, October. Z. linear, acuminated, entire ; lower ones 

 linear-lanceolate, sub-serrate. Branches corymbose, A. 3ft 

 North America, 1811. A very handsome species. 



A. dnmosns (bushy).* JL-headt white, about Jin. across, disposed 

 in broad clusters; involucre cylindrical, closely imbricated. 

 October. Z. linear, glabrous ; those of the branches very short. 

 Branches panicled. A. 2ft North America, 1734. 



A.d. 



albns (whi 



those of the 



teX* JL-headt quite white, and rather smaller 



A. d, vlolacens (violet). JL-headt violet-purple. North . 



A. elegans (elegant). JL-headt blue, small ; corymb contracted, 



drooping; scales of involucre oblong-cuneate, blunt squarrose. 



September. Z. scabrous ; cauline ones oblong-lanceolate, acute ; 



radical ones oblong, stalked. A. 2ft North America, 17901 A 



very elegant species, having a graceful habit 

 A. eminens (eminent), fl.-headt light blue. October. I. linear- 



lanceolate, acuminate, scabrous at edge ; lower ones sub-serrated. 



Stem panicled ; branches one-headed. A. 2ft North America. 



FIG. 180. ASTKR ERICOTDM. 



A. erieoidee (Heath-like).* JL-headt white ; involucre squamse, 

 leaflets acute. September. I. linear, glabrous; those of the 

 branches subulate, close together ; and those of the stem long. 

 A. 3ft North America, 1758. A very pretty species. See Fig. 180. 



A. flortbondas (many-flowered).* JL-headt light purple Septem- 

 ber. /. sub-amplexicaul, lanceolate ; lower ones serrated. Stem 

 smooth ; branches corymbose. A. 4ft North America. 



A. follosns (leafy). Jl.-headt pale blue; involucre imbricate. 

 September. I linear-lanceolate, acuminate, narrowed at each end. 



