Wee LC FLOWERING PLANTS AND FERNS 291 
Mesadenia ovata (Walt.) Raf. (Cacalia ovata Walt.) Ovate 
Leaf Indian Plantain. 
Low rich soil of thickets and open woods; prairies (Hilg. 
Ms.) Bay St. Louis (Allison) ; Booneville; Tylertown; Mead- 
ville; Picayune. Summer and fall. 
Geol. Surv. Herb. Allison Herb. 
Mesdenia lanceolata (Nutt.) Raf. (Cacalia lanceolata Nutt.) 
Lance Leaf Indian Plantain. 
Wet banks of pine barrens streams. Lyman. August- 
September. 
Geol. Surv. lierb. 
Mesadenia tuberosa (Nutt.) Britt. (Cacalia tuberosa Nutt.) 
Tuberous Indian Plantain. Indian Potato. 
Low prairies and damp meadows. Tishomingo Co.; Lafay- 
ette Co.; Carroll Co. (Hilg. Rep.) Summer. 
ARCTIUM L. 
Arctium minus Schk. (lappa minor DC.) Smalller Burdock. 
Open waste lands. Oxford. July-August. 
CARDUUS L. Thistle. 
Caruus spinosissimus Walt. (Cnicus horridulus Pursh.) Yel- 
low Thistle. 
Lov moist s°ndy soil. Gulfport (Dr. T. P. Bailey). April. 
Carduts Virgin’: nus L. (Cnicus Virginianus Pursh.) Virginia 
Thistle. 
Dry open upland woods. Jackson; Gulfport; Oxford; 
Amite Co. (Allison) ; Bay St. Louis (Allison). August-October. 
Geol. Surv. Herb. 
Carduus altissimus L. (Cnicus altissimus Willd.) Tall Thistle. 
Moist rich soil in fields and thickets. Amite Co. (Alli- 
son). September-October. 
Allison Herb. 
Carduus discolor (Muhl.) Nutt. (Cnicus altissimus discolor. 
A.Gray). Field Thistle. 
