28o 105. LEGUMIXOSAE 



Hairy plants. — Species 5. Central and South-east Africa [Anarth- 

 rosyne E. Mey.) Pseudarthria Wight & Arn^ 



300. Bracteoles wanting. Keel gibbous or spurred on each side. Connective 



ending in a gland, a point, or a tuft of hairs. Plants with appressed 



hairs fixed by the middle. (See 215.) Indigofera L. 



Bracteoles present 301 



301. Standard spurred or gibbous at the apex of the claw. Style broadened 



above. P"ruit flat. Seöds oblong. Stem twining. Flowers large. 

 Bracteoles larger than the bracts. (See 275.) Centrosema DC. 

 Standard neither spurred nor gibbous. Flowers small or medium- 

 sized 302 



302. Fruit jointed, flat, usually indehiscent. (See 231.) Desmodium Desv. 

 Fruit not jointed, but septate between the seeds, dehiscing by two valves. 



Corolla red ; standard auricled at the base ; wings exceeding the keel. 

 Bracts bristle-like. (See 266.) Glycine L. 



303. (265.) Uppermost stamen united with the others in the middle. Calyx- 



lobes blunt and very short. Fruit not jointed, indehiscent. — Species 

 30. Tropics. Some species yield timber, dyes, fish-poison, and 



medicaments Lonchocarpus H. B. & K, 



Uppermost stamen free from the base or nearly so, rarely {Desmodium) 

 united with the others in the middle, but then calyx-lobes pointed. 

 Fruit jointed or dehiscent 304 



304. Connective of the stamens produced in a gland, a point, or a tuft of hairs. 



Calyx-teeth subequal. Keel gibbous or spurred on each side. Ovarj' 

 sessile or nearly so. Fruit transversely septate. Shrubs with ap- 

 pressed hairs fixed b}' the middle. Bracteoles none. (See 215.) 



Indigofera L. 

 Connective without an appendage 305 



305. Standard with two auricles at the base 306 



Standard without an appendage at the base 308 



306. Calyx-teeth blunt, nearly equal. Corolla usually red ; keel beaked. 



Bracteoles deciduous. — Species 6. Madagascar and Mascarenes. 



Strongylodon Vog. 



Calyx-teeth pointed, unequal, the upper united high up. Corolla yellow ; 



keel blunt. Bracteoles none 307 



307. Standard oblong or ovate ; keel longer than the wings. Ovary and 



base of the style hairy. Style thread-shaped. Ovules 2. — Species i. 



Madagascar Baulcea ^'atke 



Standard orbicular ; keel somewhat shorter than the wings. Ovary and 

 base of style glabrous or downy. Style thickened in the middle and 

 at the apex. Ovules numerous. — Species i {C. indicus Spreng., 

 pigeon-pea). Tropics, also cultivated. Yields edible, pea-like fruits 

 and seeds, medicaments, fodder, food for silkworms, and manure. 



Cajanus DC. 



