— 40— 



Lycopodium tristachyum. Occasional; dry woods. 

 Lycopodium inundatum L. Moist soil; occasional. 

 Lycopodium inundatum Bigelovii Tuck. Sunderland, 

 Grout. 



Lycopodium luciduhtm Mx. Cold damp woods; com- 

 mon. 



Lycopodium obscurum L. Moist woods; common. 



Lycopodium sabincufolium Willd. Cold mountain 

 woods, Rochester. 



Lycopodium Sclago L. Mt. Mansfield and Camel's 

 Hump. Johnson (altitude about 800 feet). 



- ISOETACE^. 



Isoctcs cchinospora Braunii Engelm. Margins of ponds 

 and streams ; common. 



Isoctcs cchinospora robusta Engelm. Miry borders of 

 bogs, northern Lake Champlain ; occasional. 



Isoctcs Canadensis A. A. Eaton. " Brattleboro," Frost; 

 Alburgh and Lake Bomoseen. 



Isoetes macrospora Dur. Willoughby, Dr. Kennedy. 



Isoetcs Tuckermani borealis A. A. Eaton. Grout Pond, 

 Stratton, Eggleston and Grout. 



SELAGINELLACEiE. 



Selaginella apus Spring. Moist shady places ; Brattle- 

 boro. 



Sclaginclla nipestris Spring. Dry, exposed rocks; 

 frequent.. 



The following list of varieties and forms have been 

 reported : 



Botrychium ternatnm australe. 

 Polystichum acrostichoides incisum. 

 Polystichum acrostichoides forma crispum. 

 Nephrodium spinulosum dumetorum. 

 Nephrodium cristatum Slossonce. 



