CARDUACEAE. 



391 



1. Solidago sempervirens 



L. Sea-side Goldenrod. Salt- 

 marsh GOLDENROD. (Fig. 426.) 

 Stem stout, leafy, usually sim- 

 ple, l°-6° Mgh, glabrous, or 

 slightly puberulent above. 

 Leaves with 2-5 pairs of lateral 

 veins, the lower and basal ones 

 mostly obtuse, sometimes 1° 

 long, narrowed into long peti- 

 oles; upper leaves sessile, lan- 

 ceolate to oblong-lanceolate, 

 acute; heads 3"-5" high; 

 rays 8-10, showy; bracts of the 

 involucre lanceolate, acute. [S. 

 virgata of Lefroy; S. mexicana 

 of Lefroy and of H. B. Small.] 



Common in nearly all situa- 

 tions, flowering most abundantly 

 in late summer and early autumn, 

 when it is one of the most con- 

 spicuous plants. Native. Coast 

 of the eastern United States. The 

 plant varies in size, but there is, 

 apparently, only * one species in 

 Bermuda. 



6. ASTER L. 



Perennial or rarely annual, mostly branching herbs, with alternate leaves, 

 and corymbose or paniculate (rarely racemose or solitary) heads of both 

 tubular and radiate flowers. Involucre hemispheric, campanulate or turbinate, 

 its bracts various, imbricated in several series, the exterior ones usually smaller 



and shorter. Receptacle generally foveolate. 

 Ray-flowers white, pink, purple, blue or violet, 

 pistillate. Disk-flowers tubular, perfect. An- 

 thers obtuse and entire at the base. Style- 

 branches flattened. Pappus-bristles slender, 

 numerous. Achenes flattened and nerved. 

 [Greek, star.] About 250 species, most abund- 

 ant in North America. Type species: Aster 

 AmeUus L. 



1. Aster squamatus (Spreng.) Hieron. 

 Scale-leaved Aster. (Fig. 427.) Glabrous, 

 slender, branched, erect, l°-2i° high. Stem- 

 leaves linear-lanceolate, entire, I'-l^' long, 1''- 

 2V' wide, short-petioled or sessile, acute, some- 

 what fleshy ; leaves of the branches much 

 smaller, scattered, most of them reduced to 

 subulate scales; heads numerous or several, 

 solitary at the ends of short branches; invo- 

 lucre about 3" high, its linear acute bracts 

 in about 3 series; rays several, pink, about 1" 

 long. [Aster Tripolium of Jones; Aster tri fo- 

 lium (misprint for Tripolium) of Lefroy.] 



Roadsides and waste grounds, Ireland Island, 

 Boaz Island and near Fairy Land. Naturalized. 

 Native of South America. Summer and autumn. 



