COMPOSITE. 115 



1 



IG. EUPA.TO'KIUM, Tonrh. Tiioroughwobt. 



1. E. puppu'reum^ L. (Job-Pyts weed, trumpet- weed.) 

 Stem tall and simjile. Leaves petioled, 3-6 in a whorl. 

 F:ov:ers purplish or flesh-coloured. Heads in dense corymbs. 

 — Low grounds. 



2. E. perfoli'atum, L. (Bonbset.) stem short, hairy. 

 Leaves rugose, connate- perfoliate, tapering. FloWers whitish. 

 Corymbs very large. — Low grounds. 



3. E. ageratoi'des, L. (White Snake-boot.) Stem very 

 smooth, commonly branching, 2-3 feet high. Leaves 

 opposite, petioled,. broadly ovate, pointed, coarsely serrate. 

 flowers white, in corymbs. — Low rich woods. 



17. CACA'IilA, L. Indian Plantain. 

 C. tubero'sa, Nutt. stem angled and grooved, tall, from 

 ix, thick root. Leaves 5-7-nerved, the lower lance-ovate or 

 oval, tapering into long petioles. — Western Ontario. 



18. IVA, L. Mabsii Elder. 



1. I. axilla'ris, Pursh. Stem 1-2 feet high, the nodding 

 heads mostly solitary in the axils of the upper leaves. 

 Leaves small, obovate to oblong-linear, entire, sessile. — 

 N. W. 



2. I. xanthiifo'lia, Nutt. stem 3-5' feet high, the nar- 

 row spike-like clusters of heads forming a naked panicle. 

 Leaves large, broadly ovate, long-pptioled, serrate. — N. W. 



19. SENE'CIO, L. GKOmiDSEL. 



1. S. VUlga'ris, L. (Common Groundsel.) Bay- florets, 

 wanting. Stem low, branching. Leaves pinnatifid and 

 toothed, clasping. Flowers yellow, terminal. — Cultivated 

 and waste grounds. 



2. S. viseO'SUS, L. Ray-florets very minute. Stem viscid- 

 pubescent and strong-soented. Leaves twice-pinnatifid. — 

 Atl. Prov. 



3. S. au'reus, L. (Golden Eagwobt. Squaw-weed. J 

 Rays 8-12. , Stem smooth, or woolly when young, 1-2 feet 



