86 NAT. ORDER. COMPOSIT.E. 



Aster tennifolius. Finc-leavcd Starwort. In this species the stems 

 rise to about, five feet in height ; they are angular, smooth, and 

 branching very little ; the leaves are alternate, and not very rough ; 

 the (lowers terminal, solitary, small, and white ; the peduncles have 

 very large subulate leaflets scattered over them. Native and inhab- 

 iting tiie Western States. 



Aster Ericoidcs. Heath-leaved Starwort, In this species the 

 stems are very slender, about three feel high, with slender side 

 branches most of their length, so as to form a thick bush ; these are 

 terminated by single flowers. 



Aster dumosiis. Bushy Starwort. In this species the stems are 

 mucli less in number, upright, and about two feet in height, full of 

 branches which are filiform ; the stem-leaves being narrow-lanceo- 

 late, on the branches linear; the peduncles filiform, striated, one- 

 flowered, and clothed with very narrow leaflets ; the flowers small 

 Avith an erect, imbricate, loose calyx; the ray copious and white; 

 the disk yellow, with less flowers. 



Aster concalor. Single-leaved Starwort. This species sends up 

 stems about four feet in height; the flowers are pale blue. The 

 whole plant is tomentosae, e.specially the calyx and leaves ; the ra- 

 ceme single, with very short peduncles. It is a native of Virginia. 



Aster cUvaricatus. Divaricate Starwort. In this species the stem 

 is obscurely furrowed, of a pale red, not very erect, but irregularly 

 flcxuose, corymbosely branched, the branches divaracate and much 

 divided ; the leaves of the same form, sometimes having a single 

 serrature, the edge scabrous ; if the finger should be drawn towards 

 the base the surface will be found to be rough with invisible hairs ; 

 the flowers ratiier solitary, somewhat small, on long, scaly, yellow 

 peduncles; scales of the calyx distant, in fine rows; disk of the 

 corolla yellow ; ray pale blue, revolute; in height nearly four feet, 

 having broad leaves at the bottom, which diminish gradually to the 

 top. The flowers appear at the latter end of August, and is a native 

 of Virginia. 



