April, ’88.] 
HISTORY SOCIETY OF WISCONSIN. 
183 
SALICACEjE. 
504. Salix tristis, Ait. (Dwarf Gray Willow.) Along the Kinnickin- 
nick River. 
505. *S. viminalis, L. (Basket Osier.) Common in some places N. 
506. *S. alba, L. (White Willow.) A shade tree in the city. 
507. S. longifolia, Mnhl. (Long-leaved Willow.) Along the Menomo¬ 
nee River. 
508. S. myrtilloides, L. (Myrtle Willow.) In a tamarack swamp 
near New Coeln. 
(N. B.-This list of Salices is still incomplete. There are un¬ 
doubtedly several other species in the county.) 
509. Populus tremuloides, Michx. (American Aspen.) In different 
parts of the county. 
510. P.grandidentata, Michx. (Large-toothed Aspen.) Like the last. 
511. P. balsamifera, L. (Balsam Poplar.) Near Whitefish Bay. Its 
rar. candicans , Gray, planted as a shade tree in the city. 
512. *P. dilatata, Ait. (Lombardy Poplar.) Common throughout 
the city. 
CONIFERS. 
513. Larix Americana, Michx. (Black Larch.) Abundant in the 
tamarack swamps of the county. 
514 Thuja occidentalis, L. (Arbor Vita?.) A few straggling speci- 
* mens still lingering at Whitefish Bay and S. of St. Francis. 
515. Juniperus communis, I., (Common Juniper.) On a few wooded 
bluffs along the lake shore. 
516. J. Sabina, L. var. procumbens, Pursh. In tamaracks. (T. 
Bruhin.) 
ARACEAL 
517. Arissema triphyllum, Ton*. (Indian Turnip.) Common through¬ 
out the county. 
518. Calla palustris, L. (Water Arum.) “ Ich fand diese Pflanze im 
Tamarack bei New Coeln und bei der Station Centreville im 
County Manitowoc.” T. Bruhin. 
519. Symplocarpus foetidus, Salisl. (Skunk Cabbage.) Common 
throughout the county. 
520. Acorus Calamus, L. (Sweet Flag.) Scattered thiough the 
county. 
LEMNACEJE. 
S21 - Lemna trisulca. L. (Duck-weed.) Common in the waters of the 
county. 
^2. L. minor, L. Abundant, especiall\ r S. and W. The vai. or icu 
lata , Aust., is very common. 
