236 THE FLORA. 



g Leaves entire or very nearly so. . . .20, 21 



g Leaves serrate. Stem smooth and glabrous 22-24 



g Leaves serrate. Stem roughish-pubescent 25, 26 



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



k Stem smooth and glabrous. Leaves smooth or rough m 



m Kays 6-12. Kacemes close, forming a compact panicle. . . .38-40 

 m Eays 6-12. Eacemes distant, loosely or scarcel}'- panicled.. ..36, 37 

 m Kays 2-5. Eacemes, or the panicle, long and slender 83-35 



Ji Leaves lanceolate, large. Stem smooth 44-46 



n Leaves lanceolate, large. Stem rough-downy. . . .41-43 



n Leaves linear, entire. Stems much branched, smoothish. . . .47, 48 



I S. pauclflosculo'sa. SJiruhby Goldenrod. Bush 2f. high, very smooth, with 



lanceolate leaves and the 5-flowered heads in erect, panicled racemes. S. 



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



3 S. brachj-phyl'la, Chajjman''s Q. Florets 5-7. Eacemes spreading, one-sided. S. 



4 S. squarro'sa. Bagged S. Eays 10-15. Scales stiff, with spreading, green 



tips. Heads large. N. 



5 S. squarrulo'sa. Rough, S. Eays 6-10. Scales awl-shaped, with slender, 



loose tips. S. 



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



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



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



lanceolate, coarse-toothed. Seed downy, c. 



9 S. cas'sia. Polished S. Eays yellow. Plant smooth and glaucous. Lvs. lin. -lance- 



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

 10 S. thyrsoi'dea. Thyrse G. Leaves ovate, long-stalked. Tall, l-8f. high. 

 Heads large. Coarse, showy. In mountain woods. 



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



about SO-flowered, few, often only one. 

 12 S. hum'ilis. i/b;/w^c/m (7. Lvs. oblaneeolate. High 6-12'. Heads about 12-flwd. 



13 S. virga'ta. Virgate 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. Heads in a thyrse-like panicle, large and very showy. 



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



16 S. vema. Early S. Whitish-downy. Lower leaves ovate. May^June. S. 



17 S. puber'ula. Dusty S. Dusty-puberulent. Lower leaves oblanceolate. 



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



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



19 S. angustifo'lia. Karrow-lv. S. Lvs. lance-lin. 1-veined, thick. Hds. small. S 



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



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



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



23 S. sero'tina. Late G. Stem 3-6f. Leaf veins hairy beneath. Panicle looso- 



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



