THE DICOTYLEDONES 1669 



base. Posterior stamen free or united at the base only. Desmo- 

 dium, Lespedeza. 



VIII. Vicioideae 



The flowers have ten stamens which are always diadelphous. The 

 plants are herbs with imparipinnate leaves, the rachis ending either in a 

 tendril or a short prolongation representing a modified terminal leaflet. 

 Vicia, Lathyrus, Pisiim, Lens, Abriis, Cicer. 



IX. Phaseoloideae 



There are ten stamens which are diadelphous. The plants are usually 

 climbing herbs or more rarely erect shrubs, or occasionally trees. The leaves 

 are pinnate, generally trifoliate, leaflets usually with stipellae. 



1. Glycineae. Standard petal sometimes with minute basal appendages. 



Posterior stamen free or united at the base only. Glvcine, 

 Kennedya. 



2. Erythrineae. Inflorescences of interrupted racemes. Flowers large. 



Standard petal sometimes the largest, sometimes shorter than 

 the carina. Posterior stamen free or united at the base only. 

 Bracts usually shed early. Erythrina, Api'os, Mucuna. 



3. Galactieae. Inflorescences of interrupted racemes or broad panicles. 



Bracts dropping very early. Calyx usually four-lobed, the two 

 posterior united into one. Posterior stamen free. Spatholobus, 

 Galactia. 



4. Diocleae. Inflorescences of interrupted racemes. Bracts shed very 



early. Calyx usually four-lobed or sometimes two-lipped. 

 Posterior stamen free to the base, the others united into a closed 

 tube. Camptosema, Dioclea, Pueraria. 



5. Euphaseoleae. Inflorescences of interrupted racemes. Bracts shed 



very early. Carina often long-beaked or spiral. Posterior stamen 

 free. Style bearded above on the interior face. Physostigma, 

 Phaseolus, DolicJws. 



6. Cajaneae. Inflorescences in continuous racemes or subumbellate. 



Bracts falling very early. Bracteoles absent. Posterior stamen 

 free. Dunbaria, Cantharospernnim, Rhynchosia, Cajaniis. 



X. Dalbergioideae 



There are ten stamens which may be monadelphous or diadelphous. 

 The plants are trees or shrubs or occasionally climbers. The leaves are 

 pinnate with from five to many pairs of leaflets. The pod is indehiscent and 

 is sometimes a drupe. 



1. Pterocarpeae. Leaves with alternate pinnae or rarely solitary. Seeds 



often transversely attached. Dalbergia, Machaerhim, Pterocarpus. 



2. Lonchocarpeae. Leaves with opposite pinnae. Seeds often trans- 



versely attached. Lonchocarpus, Derris. 



3. Geoffraeae. Keel petals free. Legume drupaceous or swollen. 



Seeds one, pendulous. Andira, Coumarouna. 



