326 CLASS XIX. ORDER 11. 



SoLiDAGO c.'EsiA. Alt. Blue Stemmed GoldcH Rod. 



Stem glabrous ; leaves lanceolate, acuminate ser- 

 rate, glabrous, paler underneath ; racemes axillary. 



An elegant species, remarkable for the brightness and variety 

 of its colors. Stem slender, smooth, of a dark bluish color, 

 somewhat flexuous. Leaves alternate, lanceolate, tapering to a 

 long point, smooth, green above, pale, and somewhat glaucous 

 underneath. Racemes numerous, situated, one in the axil of 

 each leaf, for a great length upon the stem. Flowers of a very 

 bright and durable yellow. — Woods. — September. — Perennial. 



SoLiDAGO L^viGATA. Ait. Marsh Golden Rod. 



Stem erect, smooth ; leaves lanceolate, fleshy, en- 

 tire, smooth in all parts; racemes panicled, erect; 

 peduncles scaly, villous ; ligules elongated. Ait. 



A tall, rank inhabitant of the borders of salt marshes, where 

 its large, yellow tops are very conspicuous in September. Stem 

 thick, round, smooth, leafy, from four to six feet high. Leaves 

 thick, fleshy, clasping, perfectly smooth, and without serratures. 

 Racemes numerous, crowded, somewhat recurved. Flowers 

 large, yellow, the ligules of the ray nearly as long as the disc. — 

 Perennial. 

 SoLiDAGo BicoLOR. L. White Golden Rod. 



Stem and leaves hairy ; leaves elliptical, the lower 

 ones serrate; brandies bearing leafets ; racemes erect ; 

 calyx leaves obtuse. Ait. 



This species differs considerably in its aspect from the prece- 

 ding ones. Stem erect, nearly simple, pubescent, especially to- 

 ward the top. Leaves sessile, lance-oval, rough, somewhat 

 hairy. Racemes axillary, crowded, numerous. Flowers small, 

 without beauty. Disc yellow. Ray very short, obscure, white. 

 — Dry woods. — Cambridge. — Perennial. 

 SoLiDAGO viRGAuuEA. Ij. Europpau Goldcii Rod. 



Stem erect, round, pubescent at top; stem leaves 

 lanceolate, serrate, the lower ones oval, attenuated at 

 both ends ; racemes erect, ray elongated. 



