—45— 



5. Elatius Milde. Stems erect, 2-3 feet high, naked below, 

 or usually bearing scattered or verticillate long (6-8 inches), 

 spreading branches from near base to middle, terminated by long, 

 slender naked point. In dense patches, often among fluviatile, 

 which it closely resembles. In softer and muddier situations 

 than var. gracilc, into which it imperceptibly passes. Seldom 

 fruiting. Orono and Ft. Fairfield, Me., Fernald; Xewburyport 

 and Amesbury, Mass., Bull's Island, Pa., Best; Safe Harbor, Pa., 

 Porter; Winona, Minn., Holzinger. 



6. Formosum forma now Stem erect, 8-15 inches high, the 

 lower 3-4 nodes naked, the rest bearing dense verticils of 

 branches 2-4 inches long, decreasing in length from the middle 

 both ways, giving an elliptical outline to the plant. Tip of stems 

 of 3-5 internodes, like one of the branches. Upper border of 

 river at Newburyport and along borders of marsh at Salisbury, 

 Mass. The full developed form of the plant, growing in firm, rich 

 soil where moist, but not often inundated. Passes into var. 

 vulgare. Rarely fruited, when the upper branches are longest. 



7. Prolifera Milde. Small spikes, ending in a few naked 

 internodes. Most common in var. arvcnsiformis, but not often 

 observed. 



A variety, polystachyon, in which the branches bear spikes, 

 has been found in Europe. I have not met with it only where 

 the first stem has been destroyed to near the base and the result- 

 ing branches have borne spikes. 



Seabrook, N. H. ( 

 [In the first paper on this species in the October (1901) 

 number, page 89, the words fluviatile and litorale in the eighth 

 and ninth lines from the bottom of the page, should be trans- 

 posed. Sets- of specimens illustrating fluviatile, palustre, litorale, 

 robustum and hyemale are soon to be issued. For particulars ad- 

 dress the author. — Ed.] 



In the Ohio Naturalist for December, 1901, Botrychium 

 lunaria is reported from the vicinity of Painsville, Lake County, 

 Ohio. 



