292 MISSISSIPPI STATE GEOLOGICAL SURVEY [Bull. 
In fields, pastures and along roadsides. Warren Co. Sum- 
mer and fall. 
Geol. Surv. Herb. 
Carduus glaber Nutt. (Cnicus glaber Ell.) Smooth Thistle. 
Dry pine woods. Littoral region (Mohr.) ; Coastal Islands 
(Tracy.) Spring and summer. 
THYRSANTHEMA Neck. 
Thyrsanthema semisflosculare ( Walt.) Kuntze. (Chaptalia to- 
mentosa Vent.) Vernal Chaptalia. 
Low wet pine barrens. Wayne Co.; Hattiesburg; Wiggins; 
Picayune; Back Bay at Biloxi; Bay St. Louis (Allison). Feb- 
ruary-March. 
~ 
Geol. Surv. Herh. Allison Herb. 
