NIK FLORA OF SCOTT \M> MUSCATINE COl NTH . 235 



Hieracium, Tourn. Hawkweed., 

 [61. If. Canade y, . Mi< hx. 



Dry wooded hillsides; infrequent. 



462. If. seal') am, Michx. 



Dry woodlands; infrequent. 



463. H. longipilum, Torr. 



Sandy prairie near Bayfield Station ; not frequent. 

 Prenanthes, Vaill. Rattlesnake Root. 

 464 P. racemosa, Michx. 



Prairies and along railroads ; frequent. 



465. P. aspera, Michx. 

 Prairies, etc.; frequent. 



466. P. alba, L. 



Borders of woods ; infrequent. 

 Troximon, Nutt. 



467. 7\ cuspidatum, Pursh. 



Dry prairie near Blue Gra^s. Lake T'w'p., near Cedar River, 

 May, 1893. (Mackenzie.) 

 Taraxacum, Haller. 



(.68. T. officinale, Weber. Dandelion. 

 Fields, etc.; comni n. 

 Lactuca, Tourn. Lettuce. 



69. L. Scariola, L. Prickly Lettuce. 



Railroad tracks and waste places ; becoming common. 



470. L. Canadensis, L. 

 Rich soil ; common. 



471. L. Ludoviciana, DC. 

 Rich soil ; infrequent. 



472. L. Ploridana, Caertn. 

 Borders of woods ; frequent. 



473 L. leucophaa, Gray. 



Borders of woods in ricli soil, Dixon, Blue Crass, Davenport, 

 Pine ("reek. 



Sonchus, L. Sow Thistle. 



474. S. oleraceus, L. 

 Waste places ; common. 



475. S. asper, Vill. 



With the last species ; infrequent. 



