FLORA OF MICHIGAN. 57 



The small prairies in the two tiers of southern counties were formerly 

 the home of quite a number of southern and western plants which are 

 seldom found today. Among these may be mentioned: 



Amorpha canescens, Nutt. Lead-Plant. 

 Bapti-sia leucantha, T. & G. Wild Indigo. 

 Bouteloua racemosa, Lag. Muskit-Grass. 

 Buchnera Americana, L. Blue-Hearts. 

 Gacalia suaveolens, L. Indian Plantain. 



" tuberosa, Nutt. Tuberous Indian Plantain, 

 Camassia Fraseri, Torr. Eastern Camass. Wild Hyacinth. 

 Commelina Virginica, L. Day-Flower. 

 Coreopsis palmata, Nutt. 

 Dalibarda repens, L. Barren Strawberry. 

 Desmodium ciliare, DC. Tick-Trefoil. 



Illinoense, Gray. Tick-Trefoil. 

 " sessilifolium, T. & G. Tick-Trefoil. 



Diarrhena Americana, Beauv. 

 Dodecatheon Meadia, L. Shooting-Star. 



Eryngium yucccefolium, Michx. Rattlesnake-Master. Button Snake-Root. 

 Gaura biennis, L. 



Gentiana puberula. Michx. Blue Gentian. 

 " Saponaria, L. Soapwort Gentian. 

 Gerardia auriculata, Michx. Wild Foxglove. 

 Gillenia trifoliata, Moench. Bowman's Root. 

 Helianthus rigidus, Desf . Wild Sunflower. 

 Penlstemon Icevigatus, Solander. Beard-tongue. 

 Phlox bifida, Beck. 

 Pogonia pendula, Lindl. 



" verticillata, Nutt. 

 Polytcenia Nuttallii, DC. 

 Poterium Canadense, B. & H. Burnet. 

 .Rosa setigera, Michx. Climbing or Prairie Rose. 

 Ruellia ciliosa, Pursh. 

 Scutellaria pilosa, Michx. Skullcap. 

 Silphium integrifolium, Michx. 



laciniatum, L. Rosin-weed. Compass-Plant. 

 perfoliatum, L. Cup-Plant. 

 Spiraea lobata, Jacq. Queen of the Prairie. 

 Synthyris Houghtoniana, Benth. 

 Viburnum prunifolium, L. Black Haw. 



LIST OF PLANTS INTRODUCED FROM EUROPE AND BECOMING NATURALIZED. 



One hundred and forty-two species of plants have been introduced 

 from Europe into Michigan. 



Abutilon Avicennce, Gaertn. Velvet-Leaf. 

 Agrostis alba, L. White Bent-Grass. Red Top. 



" var. vulgaris, Thurb. Red Top. 

 Alopecurus geniculatus, L. Floating Foxtail. 



pratensis, L. Meadow Foxtail. 

 Alyssum calycinum, L. 

 Amarantus chlorostachys, Willd. Pigweed. 



retroflexus, L. Pigweed. 

 Anthemis arvensis, L. Corn Camomile. 



Cotula, DC. May- weed. 



Anthoxanthum odoratum, L. Sweet Vernal-Grass. 

 Arenaria serpyllifolia, L. Thyme-leaved Sand wort. 

 Arctium Lappa, L. Burdock. 

 Asparagus ojficinale, L. Asparagus. 

 Brassica alba, Boiss. White Mustard. 

 " nigra, Koch. Black Mustard. 

 " Sinapistrum, Boiss. Charlock. 

 Bromus secalinus, L. Cheat or Chess. ; 



