NATURAL HISTORY, TORONTO REGION 
Cichorium intybus, L. (Chicory). 
Leontodon autumnalis, L. (Fall Dandelion). 
Tragopogon porrifolius, L. (Oyster Plant). Escaped. 
€ pratensis, L. (Goat’s Beard). 
Taraxacum officinale, Weber. (Dandelion). 
Sonchus arvensis, L. (Field Sow Thistle). 
“ asper, Hill (Spiny-leaved Sow Thistle). 
“  oleraceus, L. (Common Sow Thistle). 
Lactuea canadensis, L. (Wild Lettuce). 
“  seariola, L. (Prickly Lettuce). 
Prenanthes alba, L. (Rattlesnake-root). 
+ altissima, L. 
Hieracium canadense, Michx. (Hawkweed). 
florentinum, All. (King Devil). Grows 
in Don Valley. 
me scabrum, Michx. 
REFERENCES. 
Gray’s New. Manual of Botany (Robinson & Fer- 
nald). ‘th. Ed. 
Britton and Brown—An Illustrated Flora of the 
Northern United States and Canada. 
Scott, Wm.—Flora of Ontario (A Check-List of the 
Plants in the Herbarium of the Education 
Department). 
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