148 



THE NATURALIST. 



Lapsana. lAnn. Nipplewort, 

 L. communis^ L. Common Nipplewort. A. July — September. Common. 



Arctium. Linn. Burdock. 



A. Lappa, L. Common Burdock. B. July — September. Common. 



Carduus. Linn. Thistle. 

 G. nutans, L. Musk Tbistle. B. June — August, Heath — Garforth — 

 Kippax, &c, 



C. acantlioides, L. "Welted Thistle. A, July — September. Pomfret — 



Norton — Smeaton, &c. 

 C. tenuifloru€, Curt. Slender flowered Thistle. A. or B. June — August. 



Frequent. 



G. lanceolatus, L. Spear Thistle. B. July — September. Common. 

 G. palustris, L. Marsh Thistle. B. July — September. Common. 

 G. arvensis, Curt. Creeping Thistle. P. July — August. Common. 

 G. acaulis, L. Dwarf Thistle. P. July — September. Heath — Garforth, &c. 



Carlina. Linn. Carline Thistle. 

 G. vulgaris, L. Common Carline Thistle. B. July — September. Heath, 

 Went Yale, Garforth, &c. 



Centaurea. Linn. Knapweed, &c. 

 G. nigra, L. Black Knapweed. P. June — September. Common. A 



popular name of this plant is Hard Heads." 

 G. Scahiosa, L. Greater Knapweed. P. July — September. Prequent. 

 G. Gyanus, L. Corn Blue Bottle. A. June — August. Warmfield and 

 frequent on the limestone. 



BiDENS. Linn. Bur-marigold. 



B. cernua, D. Nodding Bur-marigold. A. July — September. Heath — 



Campsall — Sharlstone. 

 B. tripartita, L. Trifoliate Bur-marigold. A. July — September. By 



Stanley Canal. 



EuPATORiUM, Linn. Hemp Agrimony, 

 E. cannahinum, L. Common Hemp Agrimony. P. July — September. 



Frequent. 



Tanacetum. LAnn, Tansy. 

 T. vulgare, L. Common Tansy. P. August — October. Common 



Artemisia. Linn. Wormwood — Mugwort. 

 A. vulgaris, L. Common Mugwort. P, July — September. Common. 

 A. Absinthium, L. Common Wormwood, P. August — September. — 

 Sandal. 



