68 MICHIGAN ACADEMY OF SCIENCE. 



361. CICERBITA, Wallr. Mulgcdium Cass. 



856. Floridana (Lin.) Wallr. Borders of moist woods on Belle Isle. Rare. 



857. Canadensis (Lin.) ^oiichus Canadensis Lin. Sp. PI. 793: 1753 (ex- 



clude discription ) . On Belle Isle and other places. Common. 



858. ' var. integrifolia (T. & G. ) Mulgediiim leucopJucum var. in- 

 tegrifoUum T. & G. Flora ii, 499: 1843. Belle Isle and near Palmer 

 Park. Rare. 



362. SONCHUS, Lin. 



859. arvensis. Lin. Sow Thistle. Ballast grounds, etc. Frequent. 



860. oleraecus, Lin. Belle Isle, etc. Common in waste places. 



861. asper (Lin.) Hill. Belle Isle, etc. Common in waste places. 



363. LACTUCA, Lin. Lettuce. 



862. sativa. Lin. Garden Lettuce. Occasionally a specimen of this species 



is found on the Island, also on the main land in waste jilaces. 



863. Scariola, Lin. Common in waste places, also 'Belle Isle. 



864. Canadensis, Lin. Belle Isle and elsewhere. Common. 



865. liirsuta, IMulil. Near Linden Park. Frequent. 



866. sacrittifolia. Ell. Belle Isle. Common along the shores. 

 S67. pulchella (Ph.) DC. Waste places. Rare. 



364. PRENANTHES, Lin. Rattlesnake-root. 



8()8. altissinia, Lin. Near Palmer Park. Frequent. 



869. alba, Lin. Common on Belle Isle. 



365. HIERACIUM, Lin. 



870. scabrum, j\lx. Hawkweed. Linden Park. Frequent. 



