APOPETALOUS DICOTYLEDONOUS ANGIOSPERMS. 17 



spurred on each side, reflexed. Stameus 10, generally united, or 1 free. 

 Style simple. Pud many-seeded. 



Indigo, Indigofera. 

 Leaves many, spreading. Leaflets in 7-12 pairs. Calyx tuljular, swollen, 

 with 5 short, nearly ecjual teeth. Petals long-clawed ; standard ovate or 

 pandurate ; wings une(|ual, keel shorter than wings. Stamens 10, 9 united, 

 1 free. Ovary sessile. Ovules manv, in 2 series. Style straight. Stigma 

 small. 



Gum Tragacanth, Astragalus. 

 Leaflets 2 pairs. Calyx of staminate flower, a slender tube. Limb 2-lipped, 

 upper lij) 4-tootheil. Corolla resu]»inate. Stamens 10, 9 united, 1 al)ortive. 

 Pistillate flowers. Calyx and corolla none. Ovary on a peduncle, lengthening 

 downwards, forcing the pollenized pistil under ground. Legume usually with 

 '2 ovoid seeds. 



Peanut, Arachis. 

 Stem weak. Leaves of several pairs of oblong leaflets, with a branched 

 tendril. Flowers in a raceme. Pods short, broad. Seeds lens-shaped. 



Lentil, Lens. 

 Leaves in 2-3 jjairs, of elliptical, entire, obtuse, mucronate leaflets, stalk 

 terminating in long branched tendrils. Stipules large. Calyx free, leafy 

 segments, 2 shorter. Petals 5, upper one broad, and turned back. Stameus 

 10, 9 united, 1 free. Pods oblong. Seeds globular. 



Pea, Pisum. 



Leaves trifoliate. Flowers white in racemes. Calyx with two bracts at 

 base, bell-shaped, 2-li])ped, upper lip bifid. Corolla with a beaked keel, which 

 with the stamens and style is spirally twisted. Pods linear, curved, flat or 

 cylindric. Seed kidney-shaped. 



Bean, Phaseolus. 

 Leaves imparipinnate. Anther cells confluent. Pods prickly, short, almost 

 indehiscent. 



Liquorice, Glyccyrhiza. 

 Leaves in 4 or .5 pairs of irregular obcordate leaflets. Flowers in terminal 

 spikes. Calyx cup-shaped, hemispherical. Sepals 5, imbricated. 'Corolla 

 papilionaceous. Stameus 10, 5 shorter. Ovary free, 2-ovuled. Pods fur- 

 nished with lauce-shaped, flattened beans. 



Logwood, Haematoxylon. 

 Leaves alternate, in 4-6 pairs of leaflets. Sepals barely united at base. 

 Petals 5, unequal. Stamens .5-10, some imperfect. Pods many-seeded, with 

 cross partitions. Flowers yellow. 



Senna, Cassia. 

 Calyx 5 segments. Petals 0. Stamens 5. Anther pods opening lengthwise. 

 Styles short. Stigma peltate. Leaves abruptly pinnate. Sti])ules minute or 

 0. Flowers in short racemes. 



Carob Tree, Ceratonia. 

 Leaves unecjually pinnate or solitary. Flowers papilionaceous, white. 

 Calyx unecpially .'i-toothed ; standard obovate or orbicular, wings oblong 

 ' I'uit. Stamens 10 or 9-bifid-didymous. Ovary stipitate. Ovules 2 or more. 

 Pods oblong linear, flat, thin. 



Rosewood, Dalbergia. 

 Leaves bipinnate. Calyx tube short ; 5 segments. Petals 5, orbiculatc. 

 Stamens 10. Seeds transverse. 



Brazil Wood, Caesalpinia. 

 Pr. Fl. — 3 ^ 



