Nor <L7] FLOWERING PLANTS AND FERNS 129 
Salix longifolia. 
Tishomingo Co. (A. Allison) ; Starkville (Tracy). 
BETULACEAE. Birch Family. 
CORYLUS L. Hazelnut. 
Corylus rostrata Ait. Beaked Hazelnut. 
Rich wooded slopes and copses. Meadville. March-April. 
Corylus Americana Walt. Common Hazelnut. 
Dry woodland slopes. Tishomingo Co.; Tippah Co.; La- 
fayette Co.; Itawamba Co.; Michigan City; Meadville. March. 
Geol. Survey Herb. Allison Herb. 
BETULA L. Birch. 
Betula nigra L. (B. rubra Michx.) River Birch. 
Common along streams. Lafayette Co.; Tishomingo Co.; 
Carroll Co.; Chunky; Greenwood; Hattiesburg. 
Geol, Survey Herb. 
ALNUS Gaertn. Alder. 
Alnus rugosa (Du Roi) Koch. (A. serrulata Willd.) 
Common on low wet stream banks throughout the state. 
Lafayette Co.; Tishomingo Co. February. 
Geol. Survey Herb. Allison Herb. 
CARPINUS L. Ironwood. 
Carpinus Caroliniana Walt. (C. Americana Michx.) 
Throughout the state on rich lower slopes and _ alluvial 
lands. Tishomingo Co.; Grenada Co.; Hinds Co.; Amite Co.; 
Hattiesburg; New Albany. May. 
Geol. Survey Herb. Allison Herb. 
OSTRYA Seop. Hop Hornbeam. 
Ostyra Virginiana (Mill.) Willd. (O. Americana Michx.) 
Rich lower woodland slopes and stream bottoms. Tuisho- 
mingo Co.; Pontotoe Co.; Grenada Co.; Copiah Co.; Amite 
Co. April--May. 
Geol. Survey Herb. Allison Herb. 
