94 Inflatl. 



A2BC. Pods neither balloon-shaped nor stipitate nor stipe even a 

 mere knob except in A .Wetheriili where it is as long as calyx, 

 but on breaking away they leave a minuta boss in the calyx 

 as long as wide which sometimes elongates. Peduncles much 

 shorter than the leaves. Triflori. 



Pods very oblique, smooth, small. Weak annuals. 47 insularis. 

 Pods little oblique, 1-2 cm. long, mostly hairy. Winter annuals. 



48 triflorus. 

 Pods 2-3 cm. long, conically pointed at least below. Stems 

 zigzag. Plants ashy. 49 subcinereus. 



A2B2C. Perennials, rarely biennial. 

 A2B2CD. Pods only minutely stipitate, but inclined to be con- 

 tracted at very base in addition. 

 A2B2CDE. Very delicate but erect plants with slender stems 

 and filiform peduncles, and flowers in long and erect 

 racemes. Pods very oblique and about 8 mm. long. 

 Scalares. 

 Pods racemose, 4-8 mm. long. Tall, erect plants, 



intricately branched. 50 scalaris. 



A2B2CD2E. Slender spreading plants with short intsrncdes 

 and many leaves, with filiform peduncles shorter than the 

 leaves, few and racemose flowers, and translucent mottled 

 tissue like pods about 2 cm. long and oval-ovate. 

 Pods over i cm. long, few. Low, weak and 



ascending plants. 51 W^ardi. 



A2B2C2D. Pods on a distinct filiform stipe about as long as 

 calyx, but not jointed to it. Picti. 

 A2B2C2DE. Plants not from filiform roctstocks and Isaflets 

 not phyllodia-like but broad, at least not linear. Pods little 

 if at all oblique. 

 Pods about 7 mm. long. Flowers greenish-purple. 



Plants prostrate. 52 serpens. 



Pods I cm. long. Flowers purple with white claws. 



Plants eiect or nearly so. 53 nutans. 



A2B2C2D2E, Plants with filiform rootstc<cks and phyllodia- 

 like leaflets. Well developed pods 3 cm. long, some smaller. 

 Open and airy plants with slender snd flexuous stsms 

 hardly a foot long, ascending. Peduncles much shorter 

 than the leaves. Stipules very broad and small, not con- 

 nate or only a trifle near the root. Flowers few, race- 

 mose, about 7-8 mm. long, rather light-colored- Bracts 

 minute. 

 Plants with phyllodia-like leaflets and wiry 



underground stems. 54 pictus. 



A3B. Pods large or long, 3 or more cm. long (2 cm. long in A. 

 oocarpus, balloon-shaped and small in A. jejunus.) 

 A3BCD. Pods strictly sessile, and the calyx falling with it. Tro- 

 pical plants. Crotalariae. 

 A3BCDE. Flowers white or cream-colored, thick and stubby, 

 the erect part of banner very short and with sides reflexed 

 but little. Petals nearly equ: 

 Whole })lant hoary or woolly. 55 vestitus. 



Whole plant nearly smooth. 56 Pomonensis. 



A3BCD2E. Flowers purple or white, not stubby, the erect 

 part of banner long and elliptical to oval, sides much re- 

 flexed, much longer than wings, and wings longer than 

 keel. Flowers in oblong heads, ascending as are the pods, 

 which are but little oblique. Pubescent plants. This 



