FLORA OF MICHIGAN. 51 



Ribes prostratum, L'Her. Fetid Currant. 



" rubrum, L., var. subglandulosum, Maxim. Red Currant. 

 Rosa acicularis, Lindl. Rose. 



" ArJcansana, Porter. 



" blanda, Ait. 



" Carolina, L. Swamp Rose. 



" Engelmanni, Wats. 



" humilis. Marsh. Dwarf Wild Rose. 



" Sayi, Schwein. 



" setigera, Michx. Climbing or Prairie Rose. 

 Rubus Canadensis, L. Dewberry. 



" hispidus, L. Running Swamp-Blackberry. 



Nutkanus, Mogino. Salmon-berry. 



occidentalism L. Black Raspberry. Thimbleberry. 

 " odoratus, L. Purple Flowering-Raspberry. 

 " strigosus, Michx. Wild Red Raspberry. 

 " villosus, Ait. Common or High Blackberry. 

 Salix adenophylla, Hook. 



' Candida, Willd. Sage Willow. Hoary W T illow. 

 " cordata, Muhl, and varieties. Heart-leaved Willow. 

 " humilis, Marsh. Prairie Willow. 

 " glaucophylla, Bebb, and varieties. 

 " myrtilloides, L. 

 " petiolaris, Smith. 

 " rostrata, Richard. 

 " sericea, Marsh. Silky Willow. 

 " tristis, Ait. Dwarf Gray Willow. 

 Shepherdia Canadensis, Nutt. 

 Spircea salicifolia, L. Common Meadow-Sweet. 

 " tomentosa, L. Hardback. Steeple-Bush. 

 Symphoricarpos occidentalis, Hook. Wolfberry. 

 " racemosus, Michx. Snowberry. 



" var. pauciflorus, Robbins. 



Taxus Canadensis, Willd. Yew. 



Vaccinium ccespitosum, Michx., var. cuneifolium, Nutt. 

 " Canadense, Kalm. Canada Blueberry. 

 corymbosum, L. Blueberry. 

 myrtilloides, Hook. 

 ovalifolium, Smith. 



Pennsylvanicum. Lam. Dwarf Bluberry. 

 uliginosum, L. Bog Bilberry. 

 vacillans, Solander. 



Vitis-Idcea, L. Cowberry. Mountain Cranberry. 

 Viburnum acerifolium, L. Dockmackie. Arrow-wood. 

 " cassinoides, L. Withe-rod. 



lantanoides, Michx. Hobble-bush. American Wayfaring-tree. 

 Opulus, L. Cranberry-tree. 

 pauciflorum, Pylaie. 

 " pubescens, Pursh. 

 Vitis bicolor, LeConte. Summer Grape. 

 " riparia, Michx. Frost Grape. 



WEEDS NATIVE AND INTRODUCED. 



A new country is comparatively free from weeds, but as the years pass 

 by, one after another, weeds are introduced. . Some of them are natives of 

 the neighborhoods in which they are found, but most of them have been 

 introduced from other portions of our own country or from foreign coun- 

 tries. The farmer is not inclined to adopfc Emerson's notion of a weed as 

 " a plant whose virtues have not yet been discovered," at least he doesn't 

 purpose trying to find a use for them. The seeds of most weeds find their 

 way on to a farm nicely mixed with seeds of grasses, grains and clovers, 

 which are drilled in or sowed broadcast on fertile soil, where they are 

 afforded an excellent opportunity to grow and multiply. In some instances 

 7 



