FLORA OF MICHIGAN. 53 



Sapovaria officinalis, L. Soapwort. Bouncing Bet. 

 Setaria glauca, Beauv. Foxtail. Pigeon-Grass. 



" viridis, Beauv. Green Foxtail. Bottle-Grass. 

 Silene noetiflora, L. Night flowering Catchfly. 

 Sisyvibrium officinale, Scop. Hedge Mustard. 

 Sonclius asper, Vill. Spiny-leaved Sow Thistle. 



" oleraceus, L. Sow Thistle. 

 Stellaria media, Smith. Chickweed. 

 Tanacetum vulgare, L. Common Tansy. 

 Taraxacum officinale, Weber. Dandelion. 

 Tragopogon pratensis, L. Goafs-beard, 

 Verbascum Blattaria, L. Moth Mullein. 

 Thapsus, L. Mullein. 



LIST OF INDIGENOUS WEEDS. 



This includes twenty-two species. 



Amarantus albus, L, Tumble Weed. 



" blitoides, Watson. 



Ambrosia artemisicefolia, L. Roman Wormwood. Hog- weed. 

 Artemisia biennis, Willd. Biennial Wormwood. 

 Bidens frondosa, L. Beggar-ticks. Stick-tight. 

 Brunclla vulgaris, L. Heal-all. 

 CencJirus tribuloides, L. Hedge-hog- or Bur-Grass. 

 Chenopodium hybridum, L. Maple-leaved Goosefoot. 

 Cypei -as esculantus, L. Nut-grass. 

 Erigeron Canadensis, L. Horse-weed. Butter-weed. 

 Hedeoma pulegioides, Pers. Pennyroyal. 

 Helianthus tuberosus, L. Jerusalem Artichoke. 

 Lepidium Virginicum, L. Peppergrass. 

 CEnotkera biennis, L. Evening Primrose. 

 Panic um capillare, L. Old-witch Grass. 

 Planlago major, L. Plantain. 



" Rugelii, Decaisne. Plantain. 

 Polygonum aviculare, L. Knotgrass. 



erectum, L. Erect Knotgrass. 

 Rudbcckia hirta, L. Cone-flower. 

 Urtica, gracilis, Ait. Tall Wild Nettle. 

 Xanthium Canadense, Mill. Cocklebur. Clotbur. 



LIST OF BARE OB LOCAL PLANTS. 



Most of our rare or local plants are included in the following list: 



Acerates viridiflora, Ell. Green Milkweed. 

 Adlumia cirrhosa, Raf. Climbing Fumitory. 

 j32scu lus glabra, Willd. Fetid or Ohio Buckeye. 

 Agrimonia parviflora, Ait. Small-flowered Agrimony. 

 Aletris farinosa, Li. Colic-root. Star-grass. 

 Amorj>ha canescens, Nutt. Lead-Plant. 

 Anemonella thalictroides, Spach. Rue- Anemone. 

 Aristida purpurascens, L. Triple-awned Grass. 

 Asclepias obtusifolia, Michx. Obtuse-leaved Milkweed. 



verticillata, L. Whorled Milkweed. 

 Asplenium viride, Hudson. Spleenwort. 

 Astragalus Canadensis, L. Milk Vetch. 



Cooper i, Gray. Cooper's Vetch. 

 Baptixia leucantha, T. and G. Wild Indigo. 

 Bartonia tenella, Muhl. Bartonia. Screw-stem. 

 Botrychium Lunaria, Swz. Moonwort. 



simplex, Hitchcock. Moonwort. 

 Bromus breviaristatus, Thurber. Brome-Grass. 



" Kalmii, Gray. Wild Chess. 

 Bouteloua racemosa, Lag. Muskit-Grass. 



