62 
_A. trifida L. pe en dni (Muhl.) T.& G. Springfield, L. An- 
rews. 
artemisiifolia L. Roman Wormwood. Hog-weed. Bitter-weed. 
_Xanthium [Tourn.] L. Cocklebur. Clotbur. 
SPINOSUM L. Plainfield, Porter. 
STRUMARIUM L. See Britton & Brown’s ///. Floraof N.A., 
Vol. III, p. 298. 
ECHINATUM Murr. Springfield, L. Andrews. 
Heliopsis Pers. Ox-eye. 
scabra Dunal. Springfield, L. Andrews. 
_Rudbeckia L. Cone-flower. 
triloba L. Springfield, L. Andrews. 
HIRTA L. Yellow Daisy. Black-eyed Susan. Nigger-head. 
laciniata L. 
Helianthus L. Sunflower. 
annuus L. Common Sunflower. Frequently spontaneous. 
scaberrimus Ell. Springfield, L. Andrews. 
giganteus L. 
divaricatus L. 
strumosus L. 
decapetalus L. 
TUBEROSUS L. Jerusalem Artichoke. Northampton meadows ; 
Northfield meadows. 
-Coreopsis L. Tickseed. 
TINCTORIA Nutt. Roadsides. 
Bidens L. Bur Marigold. 
frondosa L. Common Beggar-ticks. Stick-tight. 
connata Muhl. 
cernua L. Stick-tight. 
laevis (L.) BSP. 
Beckii Torr. Water Marigold. Agawam river, Mrs. M. L. Owen. 
‘Galinsoga R. & P. 
parvifiora Cav. Springfield, Dr. W.H. Chapin, 1888. Since 
found elsewhere occasionally. 
Helenium L. Sneezeweed. 
nudifiorum Nutt. S.C. Brooks, rgro. 
autumnale L. Springfield, L. Andrews. 
Achillea (Vaill.) L. Yarrow. 
Millefolium L. Common Yarrow. Milfoil. 
Anthemis (Mich.) L. Chamomile. 
CoTuLA L. May-weed. Dog Fennel. 
ARVENSIS L. Corn Chamomile. Amherst, in grain fields. 
‘Chrysanthemum [Tourn.] L. Ox-eye Daisy. 
LEUCANTHEMUM L. Ox-eye or White Daisy. Marguerite. 
White-weed. One of our worst weeds in mowings. 
