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THE SEED PLANTS OF TORONTO Helianthus tuberosus, L. (Jerusalem Artichoke). Escaped.

Bidens cernua, L. (Stick-tight).

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connata, Muhl. (Swamp Beggar-ticks).

"   frondosa, L. (Beggar-ticks).

Galinsoga parviflora, Cay. Grows on Ontario Street. Achillea millefolium, L. (Yarrow). Anthemis cotula, L. (May-weed). Chrysanthemum leucanthemum, L. (Ox-eye Daisy). Tanacetum vulgare, L. (Tansy). Artemisia absinthium, L. (Wormwood).

 

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annua, L.

"   canadensis, Michx.

"   caudata, Michx.

 

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ludoviciana, Nutt.

 

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vulgaris, L. (Mugwort).

Tussilago farfara, (Coltsfoot). Common on Scar-borough Cliffs.

Petasites palmatus, Gray.

Erechtites hieracifolia, Raf. (Fireweed).

Senecio balsamitae, Muhl.

"   vulgaris, L. (Groundsel).

Arctium lappa, L. (Burdock).

Cirsium altissimum, Spreng.

"   arvense, Scop. (Canada Thistle).

"   lanceolatum, Hill. (Bull Thistle).

"      muticum, Michx. (Swamp Thistle). Centaurea cyanus, L. (Bachelor's Button). Introduced.

"   solstitialis, L. (Barnaby's Thistle).
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