COMPOSITE. 81 



or lobed. Heads small ; rays pale yellow. Shaded ravines, 

 south -westward. 



30. SII/PHIUM, L. ROSIN-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 upper ones united by their bases. 



2. S. terebinthina'ceum, L. (PRAIRIE DOCK.) Stem tall, 

 round, naked above, smooth. Radical leaves sometimes 2 feet 

 long, rough-hairy, coarsely serrate, on slender petioles. Heads 

 small, loosely panicled. Open woods and grassy banks, south- 

 western Ontario. 



31. CYNTHIA, Don. CYNTHIA. 



C. Virgin'ica, Don. (Krigia amplexicaulis, Nutt., in Macoun's 

 Catalogue.) Roots fibrous. Stem-leaves 1-2, oblong or lanceo- 

 late-spathulate, clasping, mostly entire, the radical ones on short 

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



33. LAMP'SANA, Tourn. NIPPLE-WORT. 



L. COmmunis, L. Very slender and branching. Leaves 

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

 springs ; not common. 



33. CICHO'RIUM, Tourn. SUCCORY. CICHORY. 



C. In'tybllS, L. Stem-leaves oblong or lanceolate, partly 

 clasping; radical ones ruucinate. Roadsides and waste places. 



34. LEON'TODOIV, L. FALL DANDELION. 



L. autumnale, L. (FALL DANDELION.) Leaves lanceolate, 

 laciniate-toothed or pinna tifid. Scape branched. Roadsides and 

 waste places ; not common. 



35. HIERA'CITJM, Tourn. HAWKWEED. 



1. H. Canadensis, Michx. (CAXADA HAWKWEED.) Heads 

 large. Stem simple, leafy, corymbed, 1-3 feet high. Peduncles 

 downy. Leaves ovate-oblong, v ith a few coarse teeth, somewhat 

 hairy, sessile, or the uppermost slightly clasping. Achenes 

 tapering towards the base. Dry banks and plains. 



