( 200 ) 



1. Abronia Juss. 

 Involucre 5-leaved, oo-flowered, persistent. 

 Perigonium salver- shaped. Stamens 5, in- 

 cluded. Stigma clavate. Leaves opposite. 



1. A. UMBELLATA Lam. Leaves attenuate 

 into a slender petiole; perigonium rose-col- 

 ored. — U, Seashore. Summer. 



2. A. LATIFOLIA Esch. Petiolcs distinct, 

 but short; perigonium yellow. — 21- Seashore. 

 Summer. 



Section 3. Eucyclic^. Floral parts distinct 

 in well defined circles. 



Order 1. TKICOCC^. Flowers diclinous. 

 Ovary superior. Ovules 1-2 collateral, pendu- 

 lous from the summit of cells, which separate 

 at last from a central axis. 



Family 1. EUPHORBIACEiE. 

 Cells 1-ovulate. 



1. Eremocarpus Benth. 



Monoecious. Flowers cymose. $ : perigo- 

 nium 5-parted; stamens 6 or 7, central, infiexed 

 in aestivation. ? : perigonium 0; ovary with 

 5 glands at the base, 1-celled, 1-ovulate; style 

 simple; capsule 2-valved. — 0. 



1. E. SETIGER Benth. — 0. Marin County. 

 Niles. Summer. 



