149 
PART II. 
CRYPTOGAM IA. 
EQUISETACEiE. 
EaUISETUM, L. Horsetail-Rush. 
1292. E. arvense, L. Common Horsetail. 
y Moist" places, usually in sandy or gravelly soil; common, often 
abundant. April — June. 
1293. E. limosum, L. Swamp Horsetail. 
In wet places and shallow water; frequent, especially southward. 
June— July. (B.) 
1294. E. hyemale, L. Scouring Rush. Shave-Grass. 
Wet ground, chiefly in sandy soil; frequent from Whiting, Ind., 
southward, elsewhere infrequent. May — July. (B.) 
1295. E. isevigatum, Braun. 
Usually in wet sandy soil , southeast; infrequent or rare. June — 
July. (B.) 
Miller’s and Pine Station, Ind. South Chicago, Brennan. 
1296. E. variegatum, Schleicher. 
Wet sandy soil, usually along the borders of sloughs. July. (B.) 
Miller’s, Ind.; not rare. Pine Station and Edgemoor, Ind., Hill / 
FILICES. 
ADIANTUM, L. 
1297. A. pedatum, L. Common or American Maidenhair. 
Moist woods and shaded banks, in rich soil; frequent. July — 
ty 1 August 15th. 
PTERIS, L. 
-f 1298. p. aquilina, L. 
Common Brake. Eagle Fern. Bracken. 
Open woods, banks and copses; frequent. July — August; 6 
WOODWARDIA, Smith. 
1299. W. virg’iniea, Smith. Chain-Fern. 
* Bogs; frequent or common near Miller’s, Ind. July. (P.) 
4 * 
