PLANTS OF FARGO 61 
Amaranthaceae. Pigweed Family. 
Amaranthus retroflexus \. ROUGH PIGWEED. 
Fields and roadsides. Common. July 5 (4). 
Amaranthus blitoides S. Wats. *CREEPING PIGWEED: 
Especially along walks, yards, roadsides, etc. Common. June 15 
(16). 
Amaranthus graecizans \,. *TUMBLING PIGWEED. 
Roadsides and waste places. Frequent. 
Acnida tamariscina Mog. WATER HEMP. 
Low fields and ditches. Occasional Aug. 5. 
Allioniaceae. Four o’clock Family. 
Allionia myctaginea Michx. *WILD FOUR O'CLOCK. 
Fields and roadsides. Common. June 15 (14). 
Allionta hirsuta Pursh. HAIRY FOUR O'CLOCK. 
Along railroad. Frequent. 
Salicaceae. Willow Family. 
Salix amygdaloides Anders. PEACH-LEAVED WILLOW. 
River bank. Common. May 15 (15). 
Salix interior Rowlee. SAND-BAR WILLOW. 
River bank and low ground in various places. Common. May 
25 (23). 
Salix petiolarts Smith. 
Low roadsides and swampy places. Occasional. 
Salix cordata Muhl. 
River bank and other low places. Frequent. Apr. 30 (27). 
Salix discolor Muhl. 
Low places.” Occasional. Apr. 25 (23). 
Salix bebbiana Sarg. 
Low places. Occasional. 
Populus balsamifera VW. BALSAM POPLAR. 
May occur with /remuloides but I was unable to verify it the past 
season. May 5. 
Populus deltoides Marsh. COTTONWOOD. 
Rare except as planted. Apr. 25 (25). 
Populus tremuloides Michx. ASPEN. 
Occasional small patches on this side of river. A strip on Minne- 
sota side extends for several miles northward. Apr. 20 (21) ,ex- 
cluding an extremely early date—Mar. 27, 19I10. 
