Proceedings of the Ohio State Academy of Science. 277 



5. Leaf blade pinnate, nearly sessile, with fan-shaped segments; sporan- 



giophore much branched B. lunaria. 



6. Leaf segments obliquely ovate or oblong, large, J-1 inch 



long B. obliquum. 



6. Leaf segments finely laciniate, narrow, | inch wide or less 



B. dissectuni. 



1. Botrycliium lunaria (L.) Sw. Moonwort. 



A fleshy low plant with the leaf blade usually sessile at 

 about the middle of the common petiole. Lobes of the leaf fan- 

 shaped, 3-8 pairs. Sporangiophore much branched. In open 

 places and fields. Northern. Lake Co. 



2. Botrychium simplex Hitch. Little Grape-fern. 



A delicate plant, 4-10 inches high with the leaf blade simply 

 lobed or pinnatifid and usually short-stalked at about the middle 

 of the common petiole, the lobes only slightly fan-shaped. In 

 moist rich woods and meadows. Cedar Point, Erie Co. 



3. Botrychium neglectum Wood. Matricary Grape-fern. 



A plant 6-12 inches high often very fleshy; leaf blade ovate 

 or oblong 1-2 pinnatifid or pinnate with obtuse divisions and 

 narrow toothed segments. Sporangiophore 2-3-pinnate. {B. 

 mairicariacfolium A. Br.) In rich grassy woods and swamps. 

 Portage. Ashtabula, Cuyahoga and Erie Cos. 



4. Botrychiuui lanceolatnm (Gmel.) Angs. Lanceleaf Grape- 



fern. 

 A somewhat fleshy plant with a closely sessile leaf blade 

 near the summit of the common petiole. Blade triangular and 

 ternately twice pinnatifid. Sporangiophore sessile or short- 

 stalked, 2-3-pinnate. In rich woods, meadows and swamps, on 

 the ground. Geauga and Portage Counties. 



5. Botrychiuui obliquum Muhl. Oblique Grape-fern. 



Plant robust, the leaf blade on a long stalk arising from near 

 the base of the common petiole, ternate, the segments obliquely 



