30 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [Bull. 



Equisetum hyemale L., var. affine (Engelm.) A. A. Eaton 



(allied). 

 Equisetum hyemale of Manuals, mainly. 

 Scouring Rush. Shave Grass. 



Frequent. Sandy soil, usually in moist but sometimes in 

 dry places. May. • 



The siliceous stems were formerly much used for scour- 

 ing and polishing. The plant is medicinal. 



Equisetum variegatum Schleich. (variegated), var. Jesupi A. 



A. Eaton. 

 Equisetum variegatum of Manuals in part. 



Rare. Alluvial soil along the Housatonic River : Canaan 

 (J. W. Robbins), Salisbury (A. W. Evans, Mrs. C. S. Phelps), 

 Cornwall (H. S. Clark & Bissell). May —June. 



Equisetum scirpoides Michx. (like Scirpus, the Bulrush). 



Rare or local. Rich woods, usually on moist hillsides : 

 Norfolk (J. W. Robbins), Canaan (H. S. Clark & Bissell), 

 Sharon and Cornwall (A. V. Osmun). May — June. 



LYCOPODIACEAE. CLUB MOSS FAMILY. 

 LYCOPODIUM L. Club Moss. 



Lycopodium Selago L. (classical name for this species). 



Rare. In a cool shaded ravine near New Haven (J. A. 

 Allen, 1879). Sept. 



Has been found at Mt. Holyoke, Mass., and should be 

 looked for at intermediate localities among our trap hills. 



Lycopodium lucidulum Michx. (slightly shining). 



Occasional. Damp mossy woods, usually in deep shade. 

 Sept. 



Lycopodium inundatum L. (subject to flooding). 



Rare or local. Open bogs, usually in sandy soil. Aug. — 

 Sept. 



The var. Bigelovii Tuckerm., Lycopodium adpressum 

 Lloyd & Underwood in part, occurs at Voluntown (Harger), 

 Groton (Graves), East Lyme (Miss A. M. Ryon & Graves), 

 New Haven (D. C. Eaton), Milford (Fames). 



