« SUB-CLASS If. DICOTYLEDONES. 175 
Salix amygdaloides Anders. Almond-leaved Willow. Com- 
mon along streams, etc. Decorah, Fort Atkinson (a form 
approaching S. nigra). Observed at Canoe creek, both forks 
of Bear creek, Bluffton and Kendallville. 
Salix lucida Muhl. Shining Willow. Locally common in wet 
‘grounds. Ft. Atkinson, Freeport (some are small trees). Ob- 
served at Canoe creek and Bluffton. 
Salia alba L. White Willow. Occasionally naturalized. 
Decorah (Savage). 
Salix cordata Muhl. Heart-leaved Willow. Very common 
in low grounds. Kendallville, Hesper. Observed at Canoe 
creek, ete. . 
Salix missouriensis Bebb. Missouri Willow. (Probably 
included with S. cordata by Gray.) In low grounds, not rare. 
Decorah, Hesper. 
Salia interior Rowlee.(S. longifolia Muhl.) Sandbar Wil- 
low. Common on sandbars, ete. Decorah. Observed at Hes- 
per, Canoe creek, and Ft. Atkinson. 
Salix petiolaris J. E. Smith. Slender Willow. In low 
‘grounds. Not common. Calmar. 
Salix discolor Muhl. Glaucous Willow, Pussy Willow. Com- 
mon in bogs, ete. Decorah (Savage), Kendallville, Canoe creek, 
Hesper, etc. 
Salix ericocephala Michx. Pussy Willow. (Included with the 
preceding by Gray.) Rather common, in low grounds. Decorah, 
Hesper. (The latter may be a hybrid, S. humilis+-8. discolor.) 
Salix humilis Marsh. Prairie Willow. Common in dry open 
places. Calmar, Decorah, north fork of Bear creek. Also ob- 
served at Canoe creek, Moneek and Ft. Atkinson. 
Order2. Juglandales. 
Family Juglandacee. 
Juglans nigra L. Black Walnut. In rich grounds. Decorah 
(Savage). Also observed at Hesper and Moneek. 
Juglans cinerea L. Butternut. Rather common, on lower 
slopes, etc. Decorah. Also observed at all the other localities 
excepting Calmar. 
