273 Micranthi. 
Pods linearoblong, 1 cm. long, 3 mm. high, 4 mm. wide. 251 Schaffneri. 
" 2A3B. Flowers broad, rather many in dense heads, rarely 10 
mm. long. Calyx campanulate, 1-3 mm. long. Peduncles 
axillary. Stems decumbent or prostrate. 
2A3BC. Leaflets about 1 cm. long, appearing narrow. Flowers 
white, 4-7 mm. long (8-10 mm. long in A. Esperanze). 
Peduncles shorter than the leaves, slender. Calyx equally 
inserted, not oblique, nearly hemispherical. Leaves spread- 
ing. Leaflets folded. Stems slender, with many leaves 
and short internodes. 
Peduncles shorter than the leaves. Pods about 7 mm. long 
252 Lemmoni, 
Peduncles not shorter than the leaves. Pods about I cm. long. 
Stipules -connate, large. 253 Esperanza, 
St.pules free and small. 254 Chapalanus, 
2A3B2C. Leaflets broad, about 5 mm. long. Flowers purple- 
tipped, about 5 mm. long. Peduncles filiform, much longer 
than the leaves. Stems prostrate and short. 
Peduncles much longer than the leaves Pods linear-oblong, 
ı cm, long, ~ : 255 
2A3B3C. Leaflets 3-5 mm. long. Flowers purple 4-5 mm. 
long. Peduncles filiform, about as long as leaves. Calyx 
turbinate-campanulate, 1 mm. long, the teeth shorter than 
the tube. Stems slender, 2-4 dm. long. 
A. Purpusi might be sought here, but has a stipitate pod. . 
3A. Flowers very many, in spikes which are mostly dense but some- 
times linear, elongated and loose. The plants of this group are 
mostly Mexican and the specific limitations are merely tenta- 
tive till the species are better known. 
3AB. Pods sessile (minutely stipitate in A. Hartwegi, Saltonis 
and Seatoni) rigid, reflexed, 1-1.5 cm. long, linear, triangular- 
acute, a little arched. ; 
3ABC. Pubescence fine and attached by the base. 
3ABCD. Flowers about 8 mm. long. Pods loosely pubescent 
and rather nigrescent. 
Pods reniform in cross-section and loosely pubescent. 
256 Hartwegi- 
257 militaris’ 
hypoxylus. 
Pods triquetrous-cordate and smooth. | 
Pods deltoid in cross-section and nigrescent. 258 Saltonis 
3ABC2D. Flowers about 4 mm. long, very densely clustered. 
Pods closely reflexed, linear-lanceolate, acuminate, 
sharply arcuate below, about I cm. long, 1-1.5 mm. 
high and 1.5-2 mm. wide. Leaflets nearly linear. 
Pods pubescent. - Flowers short and stubby. 259 vaccarum. 
3AB2C. Pubescence very fine and attached by the middle. 
Plants silvery-silky. Stipules large, hyaline and connate. 
Stems procumbent. : 
j Pods linear and closely reflexed. 
3A2B. Pods not linear, ovate to oval, but little longer than 
calyx, not over 7 mm. long, closely reflexed in narrow spikes. 
Flowers small or minute. Fe : à 
3A2BC. Pods in short spikes. Peduncles filiform. Stipules 
triangular, not connate. e 
Pods 7 mm long, smooth. 261 oxy chus, 
Gr, Volse min Joe, morace c : IU e = 
| 8A2B2C. Pods in long and linear spikes. Flowers white, wide- 
E on a 
266 hypoleucus. 
