Ißß BOTANY. 



])etals into the bottom of the calyx, or perigynous. Kadicle bent back upon 

 tlie edge of the cotyledons, or straight. Leaves simple or simply compound 

 (in Cassiese sometimes bipinnate). Flowers usually perfect. 



Tribe 1. Podalyriece. Ten free stamens. Legume bivalve, very rarely 

 indehiscent, and then shorter than the calyx. Cotyledons foliaceous in 

 germination, the radicle curved on their commissure. Leaves one- to 

 three-foliated, very rarely impari pinnate. 1. PodalyHecB. Examples : 

 "Pickeringia, *Scolobu8, *Baptisia. 2. Pultenece. Example : Burtonia. 

 ;i Mirheliece. Example : Mirbelia. 



Tribe 2. Lotece. Ten stamens monadelphous or diadelphous. Legume 

 l/i valve, continuous (without articulations). Cotyledons foliaceous in 

 germination, radicle curved. Leaves one-, to three-, or many-foliated, often 

 paripinnate. 1. Genistece. Examples : Genista, "'Lupinus. 2. Trifoliece. 

 Examples : *Trifoliuni, *Melilotus, Medicago. 3. GalegecB. Examples : 

 *Amorpha, *Glycyrrliiza, *Psoralea, *Indigofera, *Robinia. 4. Astragalece. 

 Examples : "Astragalus, *Phaca. 



Tribe 3. Vicieoe. Ten diadelphous stamens. Legume bivalve, continuous. 

 Cotyledons thick, remaining underground in germination, radicle inflexed. 

 Leaves often paripinnate, with the petiole prolonged into a bristle or tendril. 

 P^xamples : * Vicia, *Lathyrus, Cicer. 



Tribe 4. IledysarecB. Ten stamens mon- or di- adelphous. Legume 

 lomentaceous. ' Cotyledons foliaceous, radicle curved. Leaves one- to 

 three-foliated, or imparipinnate, often stipellate. 1. Coronillece. Example : 

 Coronilla. 2. Hedyaarece. Examples : *Hedysarum, Arachis. 3. Alhagecn. 

 Example : Nissolia. 



Tribe 5. Phaseolece. Ten monadelphous stamens. Legume bivalve, 

 continuous, or interrupted by successive constrictions without articulation. 

 Cotyledons thick, hypogean or epigean, radicle curved. Leaves of three 

 leaflets, rarely of many pairs, often stipellate. 1. Clitoriem. Example; 

 "'■Clitoria. 2. Kennedyea. Example : Physolobium. 3. Glycinece. Example : 

 "'Galactia, Glycine. 4. Dioclece. Example: Bionia. 5. Ei-ythrinecBy 

 Examples : Mucunna, *Erythrina. 6. Wistariem. Examples : * Wistaria, 

 *Apios. Y. Enphmeolece. Examples : *Phaseolus, *Dolichos, *Yigna. 8. 

 CajanecB. Example : Fagelia. ^d. Rhijnchosieiß. Examples: *Rhynchosia, 

 *Pitchera. 10. Abnnece. Example : Abrus. 



Tribe 6. Dalbergiew. Ten stamens, mon- or di- adelphous. Legume 

 indehiscent, often interrupted by constrictions. Cotyledons thick, fleshy ; 

 radicle curved, more rarely straight. Leaves pinnate, leaflets often alternate, 

 more rarely reduced to one. Example : Cyclolobium. 



Tribe T. /Sophorew. Ten, more rarely nine to eight free stamens. 

 Legume indehiscent or bivalve. Cotyledons foliaceous or a little thick ; 

 radicle recurved or straight. Leaves imparipinnate or simple. Examples : 

 "Sophora, -'Cercis, *Cladrastis. 



Many plants of the sub-order Papilionacese, have beautiful showy flowers, 



as Erythrina, Lathyrus, &c. Trifolium pratense, the common red clover, 



and all the clovers, peas, beans, vetches, &c., belong here. Liquorice is 



furnished by Glycyrrhiza glabra, a native of southern Europe. Species of 



166 



