FERN ALLIES. 



ORDER OPHIOGL.OSSACEJE. 



Only two genera. 



BoTRYCHiuM, Sw. " Grape ferns." 



§ 1. EuhotHchhtri). Sterile division fleshy. 



B. simplex, Hitch. " Hitchcock's Moon-wort." Yo-Semite. 

 Reported from Ariz. 



B. ternatum, Sw. 



Var., australe. " Southern Grape fern." 

 Butterfly Valley, Lake Tahoe, and northward. 



§ 2. Os9nu?idio2?teris. Sterile division membraneous. 



B. Virginianum, Sw. " Virginian Grape fern." Near Yo- 

 Semite, Cal. and Santa Rita Mts., Ariz. Rare on this coast. 



Ophioglossum. " Adder-tongue." 



O. vulgatum, L. " Common Adder-tongue." Hermitage 

 Ranch, Chirricahua Mts., Ariz., 1881. Rare on Pacific coast. 



