162 MISSISSIPPI STATE GEOLOGICAL SURVEY [Bull. 
Rosa laevigata Michx. (R. sinica Ait) Cherokee Rose. 
Southern counties in open woods and roadsides; more com- 
mon in the region of the loess hills. Jackson; Warren Co.; 
Claiborne Co.; Franklin Co. February-April. 
Geol. Survey Herb. 
Rosa bracteata Wendl. (Adv.) 
Southern pine region to the coast (Small). July-Septem- 
ber. 
Rosa rubiginosa L. Sweetbrier. 
Run wild in open grounds and along fence rows.. Com- 
mon in limey soils. Tishomingo Co.; Jackson. Summer. 
Allison Herbarium. 
Rosa Carolina L. Swamp Rose. 
Low wet ground in swamps and pastures. Northern coun- 
ties; Benton Co.; Lafayette Co.; Common. June. 
Geol. Survey Herb. 
PYRUS i, 
Pyrus ansustifolia Ait. Southern Crab Apple. 
Throughout the state. Tishomingo, Hinds, Lafayette, For- 
rest Counties. April. 
Geol. Survey Herb. Allison Herb. 
ARONIA. Pers. Chokeberry. 
Aronia arbutifolia (L.) Ell. (Mespilus arbutifolia L.) Red: 
Chokeberry. 
Throughout the state along creek banks and edges of 
ponds. Most common in the southern pine belt. Tishomingo, 
Jones, Hancock, Amite Counties. March-April. 
Allison Herbarium. 
Aronia arbutifolia melanocarpa. Black Chokeberry. 
Edges of swamps and springy marshes. Lafayette Co.; 
Simpson Co. (Hilg. Ms.) April. 
Geol. Survey Herb. 
