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Bulletin Wisconsin Natural History Society. [Vol. 5, No. 4. 
P. hydropiperoides Michx. Mild Water Pepper. 
Throughout county. Occasional. 
P. Hydropiper L. Water Pepper. Smartweed. 
Throughout county. Occasional. 
P. acre HBK. P. punctatum 'EM. Dotted Smartweed. 
In Menomonee Valley, Wauwatosa. 
P. orientale L. Prince's Feather. 
Waste places throughout city. 
P. virginianum L. Virginia Knotweed. 
Spring- Meadow and Williamsburg. 
P. aviculare L. Doorweed. 
Common everywhere. 
P. maritimum L. Seaside Knotweed. 
A single specimen reported from Bay View by T. Kumlien. 
P. erectum L. Erect Knotweed. 
Locally abundant. 
P. Convolvulus L. Black Bindweed. 
Common everywhere. 
P. cilinode ^Nlichx. Fringed Black Bindweed. 
On lake shore at Oak Creek. Cudahy. 
P. dumetorum L. Hedge Bucl<wheat. 
Near New Coeln. 
P. sagittatum L. Arrow-leaved Tear-thumb. 
Southern part of county. 
CHENOPODIACE^. 
Chenopodium album L. Lamb's Quarters. 
Common everywhere. 
C. glaucum L. Oak-leaved Goosefoot. 
Gardens in city. 
C. Boscianum Moq. Bosc's Goosefoot. 
Occasional in western part of city. 
C. hybridum L. Maple-leaved Goosefoot. 
Gardens and waste places. Common. 
