No. 17] FLOWERING PLANTS AND FERNS 101 
Scirpus Americanus Pers. (S. pungens Vahl.). 
Lafayette Co. (Lowe); Coastal Islands (Tracy). July-Sep- 
tember. 
Scirpus cylindricus (Torr.) Britton (S. maritimus eylindricus 
‘Porr. ):. 
Pine barren streams near the coast (Mohr). May-July. 
Scirpus Olneyi Gray. Olney’s Bulrush. 
Southern counties to the coast; Clark Co. July-October. 
Scirpus lacrustis L. (Scirpus validus Vahl.). Large Bulrush. 
Throughout the state; Oxford; Newton. July-August. 
Geol. Surv. Herb. 
Scirpus robustus Pursh. (S. maritimus macrostachyus Michx.). 
Salt-Marsh Bulrush. 
Along the Coast and Coastal Islands (Tracy). July. 
FUIRENA Rottb. Umbrella Grass. 
Fuirena simplex Vahl. Ocean Springs. 
A. & M. College Herb. 
Fuirena scirpoidea Michx. 
Littoral. Biloxi (Tracy). July-August. 
Fuirena squarrosa Michx. 
Rankin Co. (Hilg. Ms.); Lafayette Co.; Durant; Lake; 
Ocean Springs. July. 
Geol. Surv. Herb. A. & M. College Herb. 
HEMICARPHA Nees. & Arn. 
Hemicarpha micrantha (Vahl.) Britton (Scirpus micranthus 
Vahl): 
Rankin Co. (Hilg. Ms.) ; Belzoni; Coastal Islands. May- 
June. 
A. & M. College Herb. 
RYNCHOSPORA Vahl. Beaked Rush. 
Rynchospora Tracyi Britton. Tracy’s Horned Rush. 
Pine barrens ponds (Small). Summer and fall. 
