CATALOGUE OF PLANTS. 189 



L. clavatum, L. 



Woods and thickets; very common. 

 L. complanatum, L. TRAILING CHRISTMAS GREEN. 



Dry woods and thickets ; common. 

 Var. Chamsecyparissus (Braun), D. C. Eaton. 



Woods and mountain thickets ; infrequent. Between Jordan 

 Pond and Eagle Lake (Eedfield) ; between Jordan Pond and 

 Northeast Harbor (E. & E.); Pemetic Mt.; woods, Aunt 

 Bettys Pond (Eand). 



SELAGINELLACE^E. 



SELAGINELLA, Beauv. 



S. rupestris (L.), Spring. 



Eare and local. Flying Mt. (H. C. Jones, Eand); Dog 

 Mt. (Elizabeth G. Britton, Eand, E. Faxon). 



ISOETES, L. QUILLWORT. 



I. lacustris, L. 



Infrequent. Mouth of Deer Brook, Jordan Pond (Eedfield); 



west shore of Jordan Pond (Eand). A very small form on 

 west shore of Jordan Pond (Eand). A peculiar form, probably 

 of this species, Deer Brook (Eand); Northwest Arm, Great 

 Pond (Fernald). 



I. echinospora, Durieu, var. Braunii (Durieu), Engelm. 



Sandy and gravelly brook courses and pond shores ; frequent. 

 Jordan Stream; Deer Brook; shores of Jordan Pond (E. & E.); 



Somes Stream; Denning Brook (Eand). 



I. riparia, Engelm. 



Eare. Somes Stream (George G. Kennedy) ; southeast end 

 of Eipples Pond (Eand). A form "not typical I. riparia, and 

 yet quite a departure from /. lacustris," Eipples Brook (Eand, 

 M. L. Fernald), fide L. M. Underwood. 



