41 
LYTHRACEiE. 
DIDIPLIS, Raf. 
386. D. linearis, Raf. Didiplis. 
Ammannia nuttallii, Gray. 
In rather deep water; rare, July, 1887. Lake Calumet. (B.) 
The flowers are exceedingly minute, and easily passed unnoticed. 
LYTHRUM, L. 
^4 837. L. alatum, Ph. Loosestrife. 
Wet prairies; common. June — July. 
Occasionally the white-flowered form is met with. 
DEOODON, Gmelin. 
338. D. verticillatus, Ell. Swamp Loosestrife. 
j> - Nescea verticillata , H. B. K. 
Swamps; rare. July, 1887. 
Near Miller’s, Ind. (B.) 
ONAGRACEJE. 
EUDWIGIA, L. 
339 L. alternifolia, L. Seed-box. 
Swampy places ; infrequent or rare. July — August. 
Near Evanston. South Chicago and south. 
840. L. polycarpa, Short & Peter. False Loosestrife. 
Stamps, especially southward. August — September. 
Ditches at Glencoe and Riverside; not common, Babcock. Evanston, 
Boltwood. 
341. L. palustris, Ell. Water Purslane. 
Ditches, banks of streams and low muddy brooks; infrequent. 
July — September. 
Evanston and vicinity. Riverside. Rice Township. Graceland, 
Babcock. Near Pullman, Brennan. 
epilobium:, L. 
Cj '/842. E, angustifolium, L. Great Willow-herb. Fireweed. Rose-Bay. 
Usually in copses and low grounds; occasionally found on higher 
ground when the flowers are often decidedly purple; frequent. 
July — August. (B.) 
Flowers occasionally white. 
343. E. lineare, Muhl. Linear-leaved Willow-herb. 
^ j E. palustre, L., var. lineare , Gray. 
Swampy places, in sandy soil; infrequent or rare. August. 
