VASCULAR PL A N T8. 93 



persistent. Fruit a 1-locnlar 3-valved capsule. 

 Valves bearing seeds on the middle nerve. 

 Leaves stipulate. 



1. Viola, L. 



Sepals unequal appendiculate at the base. 

 Petals unequal, the inferior longest and calcar- 

 ate. Stamens 5; anthers cohering into a tube, 

 the 2 inferior ones appendiculate at the base. 



0. 2£. 



SERIES n. APHANOCYCLICE^. 



Floral parts showing a tendency to spiral ar- 

 rangement, and generally distinct. Parts of 

 the gynoeceum only, occasionally connate. Calyx 

 and corolla often of similar structure. Numer- 

 ical law not yet established. Stamens generally 

 more numerous than sepals or petals. 



ORDER XXI. CRUCIFLOR.E, 



Calyx and corolla formed from 2 and its 

 multiple. Circles of stamens more than 1. Car- 

 pidia 2, and its multiple. 



Family LXIV. Cruciferae. 



Sepals 2 pairs. Petals 4. Stamens tetrady- 

 namous. Ovary free, compound of 2 lateral 

 carpidia; placentae parietal, on the margin of 



