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Sub-order OpHioGLossEiE . 
Ophioglossum, L, Adder' s-tongue . 
vulgatum, L . Low grounds and thickets . June . 
BoTRYCHiuM, Sioartz. Moonwort. 
fumarioides, Sw. Moist woods. July- August, 
dissectum, Muhl. Moist woods . August-September . 
virginicum, Sw . B. gracile, Michx, Woods and rocky hills. 
May- June . 
simplex, Hitchcock. Highlands of New-York. Dr. Barratt. 
Order LYCOPODIACEiE . The Club-Moss Tribe. 
Lycopodium, L. Club Moss. 
clavatum, L . Dry woods . July . 
complanatum, L . Dry woods . July . 
obscurum, L. L. dendroideum, Michx. Shady woods. July, 
annotinum, L . Sandy woods and hill sides . July . 
inundatum, L . Wet places ; western counties . July . 
rupestre, L . Dry rocks . July . 
selago, L. Summit of Mount Marcy. July . Whiteface Moun- 
tain . Prof. Hall and Dr. Emmons . 
lucidulum, Michx. Shady woods and swamps . July- August . 
apodum, L. L. albidulum, Michx. Moist woods. July- August. 
Is(ETES, L. Quillwort. 
lacustris, L. Bottom of Oswego River, near the Falls. Pursh, 
Order SALVINIEiE. 
Salvinia, Guett. 
natans, Hoff. Lakes of still water ; western part of the State . 
Pursh . 
AzoLLA, Lam. 
caroliniana, Lam. Ponds and lakes ; near New- York. Braddock's 
Bay, Lake Ontario, Dr. Bradley . 
