138 MIDDLESEX FLORA. 



BOTRYCHIUM, Swartz. MOONWORT. 



B. matricariaefolium, A. Br. 



Ayer (W. H. Manning) ; Stoneham (L. L. Dame) ; Medford (F. W. 



Morandi) . Rare. 

 B. lanceolatum, Angstrom. 



Stoneham (L. L. Dame) ; Groton (C. W. Jenks) ; Sudbury (Minot 



Pratt). Very rare. 

 B. ternatum, Swartz. (B. lunarioides, Man.) 



Concord (Davenport Catalogue) ; Newton (F. S. Plympton) ; Med- 

 ford (G. E. Davenport). Infrequent. 

 B. ternatum, Swartz., var. obliquum, Milde. 



Rather common. 

 B. ternatum, Swartz., var. dissectum, Milde. 



Rather common. 

 B. Virginianum, Swartz. 



Not uncommon. 



LYCOPODIACEyE. CLUB-MOSS FAMILY. 



LYCOPODIUM, L., Spring. 



L. lucidulum, Michx. 



Medford (L. L. Dame) ; Heading (R. Frohock) ; Tyngsboro' and 



Groton (Dr. C. W. Swan). 

 L. inundatum, L. 



Medford (C. E. Perkins) ; No. Reading (W. H. Manning) ; Tewks- 



bury (B. D. Greene). 

 L. annotinum, L. 



Ashby (Dr. C. W. Swan). 

 L. dendroideum, Michx. GROUND PINE. 



Common. The var. obscurum, Gray, at Medford (G. E. Daven- 

 port) ; Sudbury (Bigelow's PI. Bost.) 

 L. clavatum, L. CLUB Moss. 



Common. 

 L. complanatum, L. 



Common. 



SELAGINELLA, Beauv., Spring. 



S. rupestris, Spring. 



Stoneham (F. S. Collins) ; Maiden (R. Frohock) ; Groton (C. W. 



Jenks) . Probably not uncommon. 

 S. apus, Spring. 



Bedford (C. W. Jenks). 



