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528. OSMUNDA, L. 



1268. regalis, L. 



1269. Claytoniana, L. 



1270. cinnamomea, L. 



529. BOTRYCHIUM, Swartz. 



1271. simplex, Hitchcock. Wading River. Miller. 



1272. lanceolatum, Angstrcem. Orange, Harger. 



1273. ternatum, Swartz. Several varieties occur more or less abundantly. 



1274. Virginianum, Swartz. 



530. OPHIOGLOSSUM, L. 



1275. vulgatum, L. Not common. 



Order 114. LYCOPODIACE^E. 

 531. LYCOPODIUM, L., Spring. 



1276. lucidulum, Michx. 



1277. inundatum, L. llamden and Mt. Carmel. 



var. Bigelovii, Tuckerm Heaver Meadows, etc. 



1278. dendroideum, Michx. 



1279. clavatum, L. Rare near New Haven ; more common northward. 



1280. complanatum, L. 



532. SELAGINELLA, Beauv., Spring. 



1281. rupestrjs, Spring. On rocks. 



1282. apus, Spring. Marshes and meadows. 



533. ISOETES, L. 



1283. riparia, Bngelm. Whitneyville, Eaton. 



1284. Engelmanni, Braun. Meriden, Hall. 



Order 115. HYDROPTERIDES. 



534. MARSILIA, I, 



1285. quadrifolia, L. Bantam Lake, Litchfield, Dr. 71 F. Allen. "The only 



known American habitat." 





