No. 14.] FLOWERING PLANTS AND FERNS. 27 



Osmunda cinnamomea L. (cinnamon-colored). 

 Cinnamon Fern. 



Common. Wet woods, swamps and boggy ground. Fer- 

 tile May; sterile June. 



Both the var. frondosa Gray (leafy) and the var. incisa 

 J. W. Huntington (notched) sometimes occur. 



The abundant tomentum found on this species is used in 

 nest building by certain birds, 



OPHIOGLOSSACEAE. ADDER'S TONGUE 



FAMILY. 

 OPHIOGLOSSUM L. Adder's Tongue. 

 Ophioglossum vulgatum L. (common). 

 Adder's Tongue. 



Moist meadows, woods and low pastures. Rare or local 

 though perhaps more plentiful than usually supposed as the 

 plant is very inconspicuous. July. 



BOTRYCHIUM Sw. Moonwort. Grape Fern. 



Botrychium simplex E. Hitchc. (simple). 

 Botrychium tenebrosum A. A. Eaton. 



Rare. Rich woods either dry or moist: Granby (I. Hol- 

 comb), Oxford (J. & O. Harger), Goshen (L. M. Under- 

 wood), New Milford (J. Pettibone). June. 



Botanists disagree as to the proper treatment of this 

 species and our plants need further study. 



Botrychium lanceolatum (Gmel.) Angstr. (lance-shaped), var. 

 angutisegmentum Pease & Moore (with narrow seg- 

 ments). 

 Botrychium lanceolatum of Manuals. 



Rare. Moist rich woods, usually in leaf-mold: Norwich 

 (W. A. Setchell), East Lyme (Miss A. M. Ryon), Windsor 

 (Weatherby), Granby (I. Holcomb), New Haven and Ox- 

 ford (Harger), Orange (O. Harger), Naugatuck and Strat- 

 ford (Eames), Winchester (Bissell), Goshen (L. M. Under- 

 wood), Easton (L. N. Johnson), Salisbury (Mrs. C. S. 

 Phelps). Late June — early July. 



This species seems to mature its spores two or three weeks 

 later than Botrychium ramosum when the two grow together. 



