100 American Fern Journal 



2. Botrychium Onondagense Under w. (PL 6, f. 5.) 



Roots slender, from a very short axis; common 

 petiole slender, rather weak and spreading, 3-7 inches 

 high. Foliage-leaf short-petioled, 1- 1-inch long, A- 

 3^-inch wide; leaf-segments "7-9, broadly cuneate, 

 their own width or more apart, their outer margin 

 notched or deeply incised. Spore-leaf j^-l inc ^ long, 

 mostly 2-pinnate; petiole slender, 1-2 inches long. — 

 On rocky ground in shade. Washington to New York. 



O V 



3. Botrychium lanceolatum (Gmel.) Angs. (Pl.6,f.3.) 



Lance-leaved Grape-fern. 



Plant 3-12 inches high, somewhat fleshy. Foliage- 

 leaf closely sessile, 1 -2-pinnate or 3-lobed; ultimate 

 segments lanceolate, acute, oblique, entire or dentate; 

 mid-vein continuous with forking veinlets. Spore-leaf 

 slightly overtopping foliage-leaf, 2-3-pinnate; its petiole 

 much shorter than the common petiole. — Washington 

 to Colorado, Pennsylvania and northward; Europe; 

 Asia. 



4. Botrychium neglectum Wood. t (PL 6, f. 40 



Meriden Grape-fern. 



Plant 5-8 inches high, stout. Foliage-leaf 1 -pinnate, 

 short, with 3-4 pairs of segments; segments oblong, 

 obtuse, erosely or incisely indented. Spore-leaf a 

 panicle, often larger than the foliage-leaf. — Alaska to 

 Nova Scotia, south to Washington, South Dakota and 

 Maryland. 



5. Botrychium Vikginianum (L.) Sw. (PL 6, /. 6.) 



Rattlesnake Fern. 



Plant 4-24 inches high; stem relatively slender. 

 Foliage-leaf sessile above middle of stem, ternate, broadly 



