90 Compositse. 



y.y.\\\.—GNAPHALIUM, 



Heads small racemed, bracts of involucre adpressed as long as the 

 flowers, nearly transparent. 



GNAPHA'LIUM SYLVAT'ICUM (97). Highland Cudweed. 7—9. 

 (744) Stem simple woolly, heads cylindrical \ inch long axillary and terminal 



forming a leafy raceme, leaves linear or lanceolate obovate. Woods 



and pastuj'cs. 



GNAPHA'LIUM ULIGINO'SUM (107). Marsh Cudweed. 7—9. 

 (742) Stem branched, heads \ in. long, in crowded terminal tufts, leaves 

 linear lanceolate downy. Damp places. 



XXiY.—PETASITES. 



PETASI'TES VULGA'RIS (102). Butter-bur. 3—5. Leaves pro- 

 (777) duced after the flowers very large reaching 3 ft. in diameter orbicular, 

 flowers pink in a dense spike. Wet meadows and roadsides. 



XXY.—SOL/DAGO. 



SOLIDA'GO VIRGAU'REA (108). Golden-rod. 7—9. Stem erect 

 (727) 6 — 24 in. high, heads golden-yellow in crowded panicles or racemes, 



florets of the disk tubular, florets of the ray few in one row ligulate, 



leaves lanceolate oblong. Woods and thickets, 



XXVL — TUSSILA GO. 



TUSSILA'GO FAR'FARA (112). Colt's-foot. 3—5. Leaves large 



(775) cordate angled toothed downy beneath produced after the flowers, 



heads solitary bright yellow i — i^ in. diameter, florets of the disk 



tubular few, of the ray ligulate in many rows, scape imbricated with 



scales. Moist and clay soils. 



XXVU.—SENECIO. 



Involucre cylindrical, bracts linear, pappus pilose hairs soft in many rows, 

 flowers yellow with or without a ray. 



Florets of the ray revolute or wanting, 386 

 Florets of the ray spreading, 387 



386 Ray florets re volute 388 \^^Ji(ruy->y. , 



386 Ray florets wanting, S. vulgaris. 



387 Leaves entire, S. Saracenicus. 



387 Leaves pinnatifid, 389 



388 Outer bracts very short, . , . . S. sylvaticus. 



388 Outer bracts half as long as the inner 



leaves with viscid hairs, . . . . S. viscosus. 



