80 VASCULAR PLANTS. 



1 • Abronia, Juss. 



Involucre five-leaved, oo -flowered, persistent. 

 Perigonium salver-shaped. Stamens 5, included. 

 Stigma clavate. 



. If . leaves opposite. 



SECTION IV. ETJCYCLIC.E. 



Floral parts distinct in well-defined circles. 



ORDER XIV. TRIC0COE. 



Flowers diclinous. Ovary superior. Ovules 

 1 — 2, collateral, pendulous from the summit of 

 loculi, which separate at last from a central 

 axis. 



Family XLII. Euphorbiacese. 

 Loculi 1-ovulate. 



i- Eremocarpus, Benth. 



Monoecious. Flowers cymose. S : perigo- 

 nium 5-parted; stamens 7, central, infiexed in 

 aestivation. $ : perigonium 0; ovary with 5 

 glands at the base, 1-locular, 1-ovulate; style 

 simple; capsule 2-valved. 0. 



2. Hendecandra, Esch. {Croton.) 



Dioecious. $ : flowers in racemes; perigo- 

 nium 5-cleft, with 5 glands opposite to the lobes; 

 stamens more than 5. # : flowers, solitary; 



