166 
11 ULIGINOSL 
Pods fleshy when green and cartilaginous when dry, barely 
or nearly 2-celled by the intrusion of the dorsal suture as a thin 
partition (except at the tip where it is 1-celled), sessile, cross- 
ribbed, oval to narrowly oblong, rounded at base, sulcate dorsally, 
with ventral suture thick and raised externally and convex} when 
pod is straight (except perhaps in A. terminalis), with cross-sec- 
tion round to reniform, with declined tip not jevidently flattened 
and forming either an abrupt point or a strong subulate beak and 
. the pod being abruptly pointed, 1.5 to 2 em. long, with the hard 
walls barely 1 mm. thick when green. Flowers greenish-white 
{purplish in A. terminalis), stubby, about 1 cm, long, spicate, re- 
flexed (but pods not). . Calyx short-cylindric, with teeth not half 
the tube. Bracts and stipules triangular-acuminate and mostly 
rather long. Leaflets many pairs, hardly contiguous. Upper 
petioles rarely twice as long as the lowest leaflet, the lower peti- 
oles sometimes 2-3 times us long. Pubescence rather scanty and 
closely appressed, of flat and broad hairs fixed near the middle. 
Stems slender, 1-5 ft. high, erect or nearly so, simple or slightly 
branched, few, perennial, Plants of the Middle Temperate life 
zone, rarely extending a little into the Lower Temperate, grow- 
ing in moist meadows or along streams in poor soil in valleys, also 
on edges of copses, in open woods and on prairies. 
KEY 
A Pods not evidently inflated, narrowly oblong, triangular-beaked, 
a little arcuate, racemose, rather tew, 1.2-2 cm. long, 4-5 mm. wide or 
high, with cross-section cordate to reniform. Flowers not in[dense- 
spikes. Piants with few internodes, the stems not over a foot long. 
Leaflets 5-8 pairs, about 1 cm. long. 
Pods appressed-erect. 122 terminalis 
Pods horizontally spreading. 123 Oreganus 
2A Pods variously inflated, oval to oblong, conical-beaked, many, 
densely spicate, rarely loose below, closely appressed, with nearly 
round cross-section. Flowers greenish-white, nearly sessile in dense 
spikes. Tall plants, with many large and broad leaflets. - 
Pods with thick walls and little inflated. 124 Canadensis 
Pods with thin walls and much inflated. 125 neglectıs 
