VASCULAR PLANTS. 79 



1. Cheno podium, L- 



Bracts 0. Perigonium 5-cleft; lobes dorsal - 

 ly circinate. Stamens 5. Ovary 1-locular, 1- 

 ovulate; stigmas 2. Fruit a depressed utricle 

 enclosed in the persistent perigonium. ©. 2£ 



2. Atriplex, L. 



Bracts 0. Flowers polygamous. 3 and $ per- 

 igonium 3 or 5-parted. 9 2-partecl. Stigmas 

 2. Fruit a compound utricle. 0. X£ . 



3. Salicornia, Tournef. 

 Bracts 0. Flowers in threes, immersed in a 

 rhachis, decussately arranged, and forming a 

 spike. Perigonium gamophyllous, utriculate- 

 peltate. Stamens 1 or 2. Stigmas 2. Fruit 

 a compound utricle. 



1i . T ? . fleshy, articulate, aphyllous, saline 

 plants. 



4. Suaeda, Forsk. 



Flowers axillary, with minute, scale-like 

 bracts. Perigonium urceolate, 5-cleft. Sta- 

 mens 5. Fruit a utricle enclosed in the inflexed 

 perigonium. 



. 2f . leaves terete, fleshy. 



Family XLI. Nyctagineae. 



Flowers involucrate. Perigonium gamophyl- 

 lous corolla-like, its persistant tube enclosing 

 the akene. 



