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mon in subalpine and rather moist mea lows even tothe Middle Tem- 
verate life zone in open and sunny but moist places, and even in open 
woods from Dakotah and Nebraska to New Mexico, and westward to 
¡he Sierras, and northward to the Arctic. A. Hypoglottis var. bracte- 
«tus Osterhout is only a form with larger bracts than normal. A. Hy- 
'oglottis var. polyspermus T. & G., A.virgultulus 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 internodes. 
All forms bioom in late sum ner. ; y » 
The European A. Hypoglo.tis 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; bracts about 2 mm. long, not enlarged and leaflike, 
subulate-pointed, ovate to linear-lanceolate; peduncles longer than the 
leaves; leaflets laneeolate, acute or obtuse, not notched, about 8 pairs; 
stipules much smaller, rarely 1 mm, long; pubescence spreading, sparse, 
of long and slender hairs. ; 
