198 45. COMPOSITiE. 



the haft, uppermost sessile clasping, — E. B. S. 2654. — St. 2 — 3 

 feet liigh, erect, solitary, hollow, hairy. L. hairy, minutely 

 toothed, soft, blunt, the uppermost acute. Lowest petioles 

 not auricled. Heads several, phyll. lanceolate-suhulate. Fl. 

 yellow. The earlier heads overtopped by the later ones. Fr. 

 oblong, furi'owed, of disk hairy, of ray glabrous. — Damp and 

 hilly woods and pastures, rare. P. V. — VII. E. S. 



t2. D. plantagin' eum (L. F) ; I. ovate denticulate, radical on 

 long stalks rounded or subcordate produced at the base, stem-l. 

 sessile clasping the lowermost with a winged and auricled stalk. 

 ~Sy. E. B. 762.— Crown of the root woolly. St. 2—3 feet 

 high. Stem-l. narrowed in their lower half but sessile, upper- 

 most with a long taper point. Heads usually solitary, or, if 

 more, the lateral ones not overtopping the terminal one. Phyll. 

 subulate. Fr. of ray glabrous. Fl. yellow. — Damp places, rare. 

 P. VI. VII. E. S. 



22. (4.) Sene'oio Linn. Eagworfc. 



A. Involucre with small scales at its base. 



* Fl. all tubular, or marginal ones ligulate but mostly revolute. 



1. 8. vulgaris (L.) ; 1. half-clasping pinnatifid, segments dis- 

 tant oblong blunt and together with the rachis and auricles 

 acutely and unequally toothed, lower 1. narrowed into a stalk, 

 heads in clustered racemes, outer phyll. vei-y short adpressed 

 with black points, ray 0. — E. B. 747. — Smooth or woolly. 

 Not viscid. St. 6 — 12 in. high, branching. Heads small, 

 involucre oblong-conical, glabrous ; fl. yellow ; fr. silky. — 

 Rarely there is a single row of ligulate minute revolute mar- 

 ginal flowers. A form with long prominent rays has been ' 

 supposed to be S. crassifolius (W.). — Common. A. I. — XII. 

 Groundsel. E. S. I. 



2. 8. sylvat'icus (L.) ; 1. deeply pinnatifid downy, segments 

 oblong unequally toothed, heads corymbose, involucre downy, 

 outer phyll. very short glabrous (or slightly downy), ray small 

 revolute,/?-. silky.— E. B. 748.— Slightly viscid. St. 1—2 feet 

 high, erect, more or less branched, hairy. L. narrower than in 

 Sp. 3. Inv. conical ; fl. yellow. — 8. Iwidus (Sm.) is a slight var. 

 ivith the upper 1. more distinctly auricled and claspiug. — Dry 

 and gravelly places. A. VII.— IX. E. S. I. 



S. 8. viscosus (L.) ; I. deeply pinnatifid viscid glandular-hairy.^ 

 segments oblong unequally toothed and lobed, heads in an irre- 

 gular corymb, involucre viscid, outer phyll. half the length of tlie 



