171 



nion in subal)»inc and rather moist me i lows even to tlie Middle Tem- 

 ; eriite iife zone in open and sunny but moist places, and even in open 

 woods from Dakotah and Nebraska to New Mexico, and westward to 

 ihe Sierras, and northward to the Arctic. A. Hypoglottis var. bract«- 

 atus Osterhout is only a form with larger bracts than normal. A. Hy- 

 poglottis var. polyspermus T. & G., A.yirgultulus Sheldon is the form 

 growing unsupported by other plants in more exposed places, and is 

 ashy-puberulent, with pods about 7 mm. long, and short iuternodcs. 

 All forms bloom in late summer. 



The European A. Hypoglottis L, (its closest ally), with which this 

 has been confused, has longer stipe; pods broader, mostly oval, very 

 blunt at both ends, simply hairy, about 5 mm. long, triquetrous to much 

 obcompressed; banner short, oval, 3-4 mm. longer than keel; wings 

 oblong, barely 1-2 mm. longer than keel; calyx short-campanulate, 4 

 mm. long, over 2 mm. wide, with the subulate teeth half to a third as 

 long as the tube; b racts ;ibout 2 mm. long, not enlarged and leaflike 

 subulate-pointed, ovate to linear-lanceolate; peduncles longer than the, 

 leaves; leaflets lanceolate, acute or obtuse, not notched, about 8 pairs ; 

 stipules much smaller, rarely 1 mm. long;,pubcscence spreading, sparse, 

 of long and slender hairs. 



