1907] 
Check List of the Flora of Milivaukee County. 
209 
ACERACE^. 
Acer saccharinum L. Silver Maple. 
Planted as a shade tree along streets. 
A. rubrum L. Eed Maple. 
Throng-hout county. Not uncommon. 
A. saccharum Marsh. Sugar Maple. 
Throughout county. Common. 
A. Saccharum var. nigrum (Michx.) Britton. A. nig nun Michx. 
Black Sugar Maple. 
Throughout county. Not uncommon. 
A. spicatum Lam. Mountain Maple. 
One locality in Sec. 29, Town of Milwaukee. Numerous. 
A. Negundo L. Box Elder. 
Occasionally escaped from cultivation. 
SAPINDACE^. 
HIPPOCASTANACEAE. 
Aesculus Hippocastanum L. Horse-chestnut. 
Commonly planted as a shade tree. 
Ae. glabra Willd. Fetid Buckeye. 
Barely planted as a shade tree. 
Ae. octandra Marsh. Yellow Buckeye. 
Barely planted as a shade tree. 
BALSAMINACE^. 
Impatiens biflora Walt. Spotted Touch-me-not. 
Throughout county. Abundant. 
I. pallida Nutt. /. aurea Muhl. Pale Touch-me-not. 
Sees. 18 and 29, Town of Milwaukee. Not abundant. 
RHAMNACE^. 
Rhamnus cathartica L. Buclrthorn. 
Escaped from cultivation. Wauwatosa and Town of Milwaukee. 
R. alnifolia L'Her. Alder-leaved Buckthorn. Merrill Park. West 
end of Wells Str. viaduct. Formerly in Sec. 1, Greenfield. 
Ceanothus americanus L. New Jersey Tea. 
In south and west parts of county. Locally abundant. 
