196 



LEGUxMlNOSAL. 



[CHAI- 



If the Dhak be not at hand, the flower of any Garden Pea 

 {Pisinn), Bean {Vicia), Indigo {Indigofera), Gram {Cicer), 

 or Lentil (Ervum), will answer 

 equally well as Type of the Pea- 

 flower Tribe. 



Observe the relation of the 

 petals of the irregular {papilio- 

 naceous) corolla of the Peaflower 

 Tribe to each other. There is a 

 large upper petal which embraces 

 the rest in the bud ; this is the 

 standard : two lateral petals, 

 called wings^ and two, usually 

 more or less coherent by their 

 lower margins, forming the keel, 

 which enclose the stamens and 



Fig. 124. Section of flower of • .-i 



Garden Pea. PlStU. 



Cassia Tribe — CcesalpiniccB. 

 Type 2 — Cassia Fistula. 

 A small spreading tree, with alternate, pinnate, glabrous, 

 stipulate, deciduous leaves, pendulous racemes of briglit- 



