199 
Pubescence attached by the end. 
ABC. Pods oblong to linear-lanceolate, not reflexed ar- 
cuate or very oblique, generally variably sulcate dor- 
sally and ob compressed, not less than 2.5 cm. long, 
smooth to very shortly pubescent when ripe, with 
walls 2-43mm. thick when fresh, sometimes .5 mm thick! --.. 
in A. iodanthus. Flowers narrow. Calyx appressed- . 
hairy, narrow, cylindrical but rather laterally flattened, 
truncate to shortly triangular at the oblique base, the 
teeth less than half as long as the tube. Stems 2-3 dm. 
long, herbaceous, decumbent from a thick and woody 
root. Internodes longer than the stipules. plants in- 
clined to be green when well developed, and ashy when 
young; and then with closely appressed short hairs. This 
group is somewhat related to the Sarcoczrpi.  , 
ABCD. Pods very fleshy, with walls about 4mm. thick, 
shortly acuminate, cartilaginous when dry, but not | 
greatly wrinkled, arcuate, narrow, 2-4 cm. long, with 
dorsal suture seemingly a little intruded at times. _ 
Flowers 1.25-1.5 cm. long, in heads. 
Pods with ventral suture much thickened when dry. 
Flowers white. Calyx tube about 7 mm. long.161 Webberi. 
Pods with ventral suture raised as a thin edge when dty. 
Flowers normally purple. Calyx tube 4-5 mm. leng. 
162 cibarius. 
ABC2D.. Pods not corrugated though finely cross-ribbed, 
only slightly fleshy, with pulp hardly 1 mm. thick, co- 
riaceous. smooth, mostly mottled. Flowers about 1- 
cm. long. Stems slender. 163 iodanthus, 
.AB2C. Pods from a little to evidently fleshy; chartaceous 
or thin coriaceous when dry, reticulated and cross- 
ribbed, somewhat inflated, ovate to linear-oblong, 1-2.5 
'' em. long, very oblique, with sharp, triangular, flat beak. 
Pubescence of the leaves silvery and appressed, with 
hairs attached by the base. : 
Pods shaggy with long and spreading hairs. - 164 desperatus, 
Podsonl ashy. 165 tephrodes, 
AB3C. Plants nearly acaulescent or with stems only a few 
inches long, prostrate. Flowers mostly large, never 
small. ‘Pods with conspicuously pulpy walls 1.5 mm. thick 
when fresh, thick-coriaceous to cartilaginous when dry, 
variously wrinkled and obcompressed, broadly ovate to 
narrowly oblong, sharply acute to acuminate, with mostly 
flat beak when dry. Argophylli proper. 
AB3CD. Peduncles normally not over 7 cm. long, or less 
than half as long as the leaves, and sothe flowers are 
clustered among the leaves, occasionally fruiting - 
peduncles are 1.5 dm. long. Stipules imbricated. 
Flowers spicate, few. Pubescence silvery and _ 
closely appressed. (A. Parryi might be sought here). 
AB3CDE  Pods not inflated, large, almost smooth. 
Sa xi Dr 166 Shortiznus. 
AB3CD2E. Pods variously inflated, ovate, rarely broader 
. orlanceolate, mostly shaggy. Flowers capitate. 
a ; 4 = 167 argophyllus 
AB3C2D. Pods decidedly fleshy when fresh and mostly 
- cartilaginous when dry, ascending, Flowers y orate 
-~ Peduncles over 1 cm. long, erect or nearly so, longer — — 
- «than the leaves except when rarely leaves are greatly 
TEAT P T E p: E TE : 
