COMPOSITE. ] 31 



2. H. seabra, Dunal. Eoughish, especially the leaves. 

 Pappus of 2 or 3 teeth, or a mere chaff-like border. — Niagara 

 Falls and N.W. 



43. ACBILLE'A, L. Yakkow. 



1. A. millefo'lium, L. (Milfoil.) Stems simple. Leaves 

 dissected into fine divisions. Corymb flat-topped. Kays 

 only 4 or 5, short. — Fields and along fences ; very common. 



2. A. Ptar'miea, L. (Sneeze-wort.) Leaves simple, 

 lance-linear, serrate. Corymb loose. Eays 8-12, much 

 longer than the involucre. — Atl. Prov. 



44. POlY.M'JflA, L. Leaf-Cup. 



P. Canadensis, L. A coarse clammy-hairy herb. Lower 

 leaves opposite, petioled, pinnatifid ; the upper alternate, 

 angled or lobed. Heads small ; rays pale yellow. — Shaded 

 ravines ; south-westward. 



45. ^IL'riUUIlI, L. Eosin-Plant. 



1. S. perfolia'tum, L., (Cup-Plant) is found in south- 

 western Ontario. Stem stout, square, 4-8 feet high. Leaves 

 ovate, coarsely toothed, the Tipper ones united by their 

 bases. 



2. S. terebintMna'eeum, L. (Praibie Dock.) Stem 

 tall, round, naked above, smooth. Radical leaves some- 

 times 2 feet long, rough-hairy, coarsely serrate, on slender 

 petioles. Heads small, loosely panicled. — Open woods and 

 grassy banks, south-western Ontario. 



46. KICIG'IA, Schreber. Dwabf Dandelion. 

 K. amplexieau'liS, Nutt. {Cynthia Virginica, Don.) 

 Eoots fibrous. Stem-leaves 1-2, oblong or lanoeolate-spa- 

 thulate, clasping, mostly entire, the radical ones on short 

 winged petioles. Peduncles 2-5. — South-western Ontario* 

 .47. tAMP'SASA, Tourn. Nipple- WOKT. 

 L. eommu'nis, L. Very slender and branching. Leaves 

 angled or toothed. Heads small, loosely panicled. — Borders 

 of si^riiigs ; common at Queenston Heights. 



