CATALOGUE OF PLANTS. 125 



9o7. A. Syriaca L. (A. Cornuti Decaisne. Common Milkweed.) 

 Fields and waste places; everywhere. Last of June-Aug. 



958. A. tuberosa L. Butterfly-weed. Pleurisy-root. 

 Light soil; common. July-Aug. 



Corollas vary from red to pale yellow. 



959. A. verticillata L. 



In dry fields and oak openings; occasional. Last of June-July. 

 Corner of Burton Ave. and Kalamazoo Ave.; south of the ceme- 

 teries, Hall St., City; woods on Peach Ave.; near Button Lake 

 and Lamberton Lake regions; field at the corner of AYealthy 

 Ave. and Fuller St., City. 



CONVOLVULACEAE. Convolvulus Family. 

 CONVOLVULUS L. Bixdweep. 



960. C. ARVENsis L. Bindweed. 



Waysides and untilled fields; spreading. Summer. 

 A troublesome weed and very difticult to exterminate. 



96 L C. sepium L. Hedge Bindweed. 

 Moist alluvial soil; common. Summer. 

 Forming tangles over shrubs in thickets. 



962. C. sepium Americanus Sims. 



Found growing with the preceding; common. Summer. 



963. C spithamaeus L. 



Barren soil. Summer. 



Well distributed and plentiful. Local in the State. 



IPOMOEA L. Mornixg-Glory. 



964. I. pandurata Meyer. Wild Potato-vine. Man-of-the-Earth. 

 On the bank of Grand River at Wallen's Tannery, City. Aug., 

 1895 (O.H.). Rare. 



* 1. purpurea Roth. Morning-glory. 

 In springs up on dumping-ground and maintains itself by self- 

 sown seeds for a few years. Summer. 



