118 COMMON CASADIAN WILD PLANTS. 



heads, peduncles, etc., mostly glutinous. Leaves lanceolate 

 or oblanoeolate, serrate or entire, the radical ones petiolate, 

 obtuse, and serrate at the apex.— Eooky banks,- not common. 



6. S. maCFOphyl'la, Pursh. {S. thyrsoidea, E. Meyer.) 

 Stems stout, simple, pubescent near the summit. Leaves 

 thin, ovate, with sharp projecting teeth, the lower ones 

 abruptly contracted, into long margined petioles^ Heads large, 

 in an oblong raceme, loose and thin, long-pointed. Hays 

 8-10, Zonj.— Wooded hillsides, chiefly Atl. Prov. 



* « * Heads in a compound corymb terminating tlie simple stem, not at 

 all racemose, 



7. S. Ohioen'SiS, Eiddell. rer2/smoort throughout. Stem 

 .slender, reddish, leafy. Radical leaves very long (often a 

 foot), slightly serrate towards the apex, tapering into long 

 margined petioles; stem-leaves oblong-lanceolate, entire, 

 sessile. — Wet grassy shores of Eed Bay, Lake Huron. 



8. S. rig'ida, L. Rough and rather hoary. Stem stout, 

 2-5 feet high, very leafy. Leaves oval or oblong.— Dty soil, 

 western Ontario, and N. W. 



* » • * Reads in one-sided racemes, spreading or recurved. Leaves not 

 S-ribbed, but sometimes obscurely 3-nerved. 



9. S. semper' virens, L. Stem stout. Leaves long, 

 lanceolate, thickish, smooth, entire, obscurely 3-nerved,, 

 Kacemes short, in a terminal panicle. Heads large, showy, 

 — Salt marshes and sea-shores. 



10. SI puber'Ula, Nutt. Stem and panicle minutely hoarjf. 

 Stem-leaves lanceolate, acute, tapering to the base, some- 

 what smooth, the lowermost spathulate, sparingly toothed. 

 Heads not large, crowded in compact short racemes, which 

 form a long, dense, terminal panicle. Bays 10-14. — Barren 

 soil, Atl. Prov. 



11. S. uligino'sa, Nutt. (S. stricta. Ait.) Smooth. Stem 

 simple, strict. Leaves lanceolate, pointed, smooth, the 

 lower tapering into winged petioles, finely but sparingly 

 serrate, or entire. Eacemes crowded and appressed in a 

 close wand-like panicle. Heads middle-sized. Rays 5-6, 



