Supplement to Catalogue of Arkansas Plants 97 
Equisetum praealtum Raf. (E. robustum (A. Br.) 
A. 'A. Eaton.) Includes the plants formerly referred 
to E. hyemale. Along sandy river banks. 
Isoetaceae: 
Isoetes Butleri Engelm. Little Rock, on ‘‘Pu- 
laskite,’’ Fourche Mountain; Eureka Springs, Car- 
roll Co. (Bush). 
Isoetes melanopoda J. Gay. In springy ground, 
top of Magazine Mountain, Logan Co.; 24921 Hot 
Springs, Garland Co.; Farmington, Washington Co. 
MONOCOTYLEDONAB. 
Sparganiaceae: 
Sparganium americanum Nutt. Prairie View, Wash- 
ington Co.; 10598 Washington, Hempstead Co. ; 8358 
Ashdown, Little River Co. 
Alismaceae: 
Sagittaria longirostra (Micheli) J. G. Sm. Fayette- 
ville, Washington Co.; 10599 Washington, Hemp- 
stead Co. 
Sagittaria papillosa Buch. 25043 Hazen, Prairie Co. 
Graminae: 
Erianthus strictus Baldw, Fulton, Hempstead Co. 
(4386 Greenman). 
Paspalum distichum L. Fulton, Hempstead Co. 
(4387 Greenman). 
Paspalum circulare Nash. 6363 Beaver, Carroll Co. 
