DicoTYLEDO>iS. — coMPOSiT.^. Erigevon. 241 



2-1. GNAPHALIUM. 

 Involucre imbricated, with (often) coloured membranous scales. 

 Receptacle naked. Florets of the 7ay subulate; some of the 

 disk occasionally abortive. Pappus rough. 

 * Flowers dkecious. 



1. Gn. dioicum, shoots procumbent, stems simple, corymbs 

 crowded, radical leaves spathulate, flowers dioecious, inner 

 scales of the involucre elongated obtuse coloured, p. 240.— 

 Mountain heaths. 



■k'i: pJowers perfect. 



2. Gn. syluaiicum, stem simple nearly erect downy, flowers ax- 

 illary forming a distant leafy spike, leaves linear lanceolate 



^ downy, p. 240. — Dry suhcdfi'me pastures. 



3. Gn. supinum.^ stem decumbent branching only from the base, 

 flowering stems erect, flowers solitary or racemed, leaves linear 

 downy on both sides, p. 240. — Alps. 



4. Gn. vligino sum, stem very much branched diflfuse woolly, 

 leaves linear lanceolate downy, flowers in terminal crowded 

 clusters which are shorter than the leaves, p. 240. — JVet 

 places. 



5. Gn. gallicum, stem erect dichotomous, leaves linear acuminate 

 downy, flowers crowded axillary and terminal, clusters much 

 shorter than the leaves, p. 240. — Dry banks. 



6. Gn. minimum, stem erect branched, branches spreading, 

 leaves lanceolate acute cottony, flowers conical clustered late- 

 ral and terminal, clusters longer than the leaves, p. 241.— ^ 

 Saudy hills. 



7. Gn. germanicum, stem erect proliferous at the summit, leaves 

 lanceolate downy acute, flowers capitate in the axils of the 

 branches and terminal, p. 241. — Sandy ground. 



2;3. CONYZA. 

 Involucre roundish, imbricated. Receptacle naked. Florets of 

 the ray 3- cleft. Papp7is rough. 



I. C. sguarrosa, leaves pubescent ovato-lanceolate serrated, the 

 upper ones entire, stem herbaceous corymbose, scales of the 

 involucre recurved leafy, p. 242. — Dry soils, rare. 



II. Radiati. Flowers rayed, or with the ^florets of the cir- 

 cumference Ugulute. 



26. ERIGERON. 

 Involucre imbricated. Receptacle naked. Florets of the ray 



numerous, very narrow (mostly of a different colour from 'the 



disk). Pappus simple. 

 I. E. ac?7?, pedimdes alternate (scarcelv racemose) single-flowier- 



