Oedbk 70.— ASTERWOETS. 225 



g Leaves entire or very nearly so 20, 21 



g Leaves serrate. Stem smootli and glabrous .... 22-24 

 g Leaves serrate. Stem roughish-pubesoent 25, 26 



k Stem downy or hairy. Leaves rough or not 30-32 



k Stem smooth and glabrous. Leaves smooth or rough. . . .m 



m Eays 6-12. Eacemes close, forming a compact panicle. . . .88-40 

 m Eays 6-12. Eacemes distant, loosely or scarcely panicled.... 36, 37 

 m Kays 2-5. Eacemes, or the panicle, long and slender. . . .38-35 



n Leaves lanceolate, lai^e. Stem smooth 44r-46 



n Leaves lanceolate, large. Stem rough-downy 41-4S 



n Leaves linear, entire. -Stems much branched, smootbish. . . .47, 48 



I S. pauoiflo^onlo'sa, Shrubby Goldenrod. Bush 2f. higli, very smooth, with 



lanceolate leaves and the S-flowered heads in erect, panicled raqgnes. S. 

 2 . S. discoi'dea. RayUss G. Disk florets 10-15. Eacemes erect, panicle slender. S. 



5 S. brachyphyl'la. Chapman^s 6. Florets 5-7. Eacemes spreading, one-sided. S. 



4 S. sqnarro'sa. Bagged S. Eays 10-15. Scales ^iff, with spreading, green 



tips. Heads large. N. 



5 S. squairulo'sa. RougTi ff. Eays 6-10. Scales awl-shaped, with slender, 



loose tips. S. 



6 S. bi'oolor. Creamy S. Eays about 8, oreamy-white. Plant hairy. Lvs. elliptic. 



7 S. Buck'lyi. Buekly's S. Eays 4^6, yellow. Plant woolly. Leaves oblong. S. 



8 S. latifo'lia. Broad-leaved S. Eays yellow. Plant smootbish. Leaves broad 



lanceolate, coarse-toothed. Seed downy, c. 



9 S. Cce'sia. Polished S. Eays yellow. PJant smooth and glaucous. Lvs. lin.-lanoe- 



olate. Stem flexuous, tall, slender. A beautiful Goldenrod. "Woods, c, 

 10 S. ihyisoi'dea. Tliyrse G. Leaves ovate, long-stalked.. Tall, l-3f. high. 

 Heads large. Coarse, showy. In mountain woods. 



II S.Virgau'rea, True G. Leaves oval, short-stalked. Low, 2-3' high. Heads 



about 30-flowered, few, often only one. 

 12 S.hum'ilis. J&imtomff. LvB. oblanceolate. High 6-12'. Heads aboiit 12-flwd. 



13 S. virga'ta. Virgnte G. Heads all in one raceme at top. 



14 S. stric'ta. Upright G. Heads in a panicle, which is narrow and erect. 



15 S. specio'sa. Showy G. ,Head3 in a thyrse-like panicle, large and very showy. 



Pedicels shorter than the involucre, pubescent. Leaves very broad. 

 16S. veraa. Early S. Whitish-downy. Lower leaves ovate. May, Jime. S. 

 17 S. puber'ula. Busty S. Dusty-puberulent. Lower leaves oblanoeolate. 

 Panicle long, compound, dense. Scales acute. Aug. N. 



18 S. sempervi'rens. JBsergreen S. Lvs. lanceolate, thick, obscurely 3-veined. E. 



19 S. angustifo'Iiai Narrow-U. S. Lvs. lanoe-lin. 1-veined, thick. • Hds. small. S. 



20 S. nemora'lis. WoodS. Plant dusty, roughish. Lvs. acute. Eays showy, c. 



21 S. rupes'tris. BocH.S. Plant smooth. Lvs. acuminate. Eays very short. W. 



22 S. Missourien'sis. Missourie G. St. l-2f. All glabrous. Panicle dense. W. 



23 S. sero'tina. Late G. Stem 3-6f Leaf ^eins hairy beneath. Panicle loose. 



24 S. gigan'tea. Giant G. Stem 3-8f. Branohlets hairy. Leaves lanceolate. 



10* 



