CATALOGUE OF PLANTS. 189 



L. clavatum, L. 



Woods and thickets; very common. 

 L. complanatum, L. Trailing Christsias Green. 



Dry woods and thickets; common. 

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



Woods and mountain thickets; infrequent. Between Jordan 

 Pond and Eagle Lake (Kedfield) ; — between Jordan Pond and 

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

 Bettys Pond (Rand). 



SELAGINELLACE^. 



SELAGINELLA, Beauv. 



S. rupestris (L.), Spring. 



Rare and local. Flying Mt. (H. C. Jones, Rand); — Dog 

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



ISOETES, L. QuiLLwoKT. 



I. lacustris, L. 



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



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

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

 of this species, Deer Brook (Rand) ; — 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 (R. & R.) ; 



— Somes Stream; Denning Brook (Rand). 



I. riparia, Engelm. 



Rare. Somes Stream (George G. Kennedy) ; — southeast end 

 of Ripples Pond (Rand). A form ''not typical /. riparia, and 

 yet quite a departure from /. lacustris" — Ripples Brook (Rand, 

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



