112 MISSISSIPPI STATE GEOLOGICAL SURVEY [Bull. 
Juncus tenuis Willd. (J. bicornis Michx.). 
Distributed over the state in damp soil. May-June. 
Juncus setaceus Rostk. 
Southern pine barrens to the Coast (Tracy). June. 
Juncus marginatus Rostk. 
Probably throughout the state. June (Coville). 
Juncus aristulatus Michx. [J. margnatus aristulatus (Michx.) 
Coville]. 
Coastal region and Islands (Tracy), June. 
Juncus repens Michx. 
Coastal regions and Islands (Tracy). Spring and summer. 
Juncus Torreyi Covi.le (J. nodosus megacephalus Torr.). 
Perhaps over the state (Mohr).) July 
Juncus interior Wiegand. | 
Dry woods and prairies (Small). Spring and summer. 
Juncus brachycarpus Engelm. 
Open prairies (Mohr)). June-July. 
Juncus scirpoides Lam. (J. echinatus Ell.) 
North Mississippi (Hilg. Ms.) Coastal region and Islands 
(Tracey). June. 
Juncus validus Coville. 
Sandy soil (Small). Summer and fall. 
Juncus trigonocarpus Steud. (J. cordatus Chapm.). 
Southern pine regions (Mohr. September-October. 
Juncus acuminatus Michx. 
Coastal regions (Tracy ).) 
Juncus acuminatus debilis (Gray) Enelm. (J. debilis Gray). 
Wet swamps (Small). June (Hilg. Ms.). 
JUNCOIDES Adans. 
Juncoides campestra (L. Kuntze; J. campestris L.) Common 
Wood Rush. 
Distributed over the state. Lafayette, Benton, Tishomin- 
go counties. March. 
Geol. Survey Herb 
