PERIPETALE. eo | 
abortive, as the Senna shrub (Cassia senna), the Tamarind 
tree (Tamarindus indica). 
3. Mimose. — These have a double calyx, the external 
small and of 5 teeth, the internal monosepalous and tubular 
(sometimes called corolla), and numerous stamens generally 
monadelphous, as the Sensitive plant (Mimosa pudiea), the 
Gum tree (Acacia vera.) 
De Candolle divides the Papilionacez as follows :— 
I. Curvemsriz. 
Radicle bent back upon the cotyledons. 
1. Papilionacee.—Calyx with distinct lebes ; rae 
_ perigynous ; Corolla papilionaceous. 
2, Swartziee. —Calyx bladdery, with indistinct lobes. 
Stamens hypogynous. Corolla none, or petals only 1 or 2. 
Il. Recremsriz. 
Radicle of the embryo straight. - 
3. von yngap cae Mian d imbricated in zstivation, and sta- _ 
mens perigynous. 
(1.) Geoftries.— Have petals, and ai stamens va- 
riously combined. 
tinct. 
(3.) Detarieew.—No petals. Fruit drupaceous. 
4, Mimosa. — Sepals and petals valvate in estiv ation. 
Stamens hypogynous. 
Regarding this order, Dr. Lindley observes: “ The most 
common feature is, to have what are called papilionaceous a 
flowers ; and when these exist, no difficulty is experi ee 
in recognising the order, for papilionaceous flowers exist no oe 
where else. Another and a more invariable character isto 
have leguminous fruit ; and by one of these ‘two characters 
the plants of the family are known.” 
<a Cisiatrisia ee man “this is one eof 
ease ——~ cere 
(2.) Cassiew.—Have petals, and the stamens diss 
