SYNOPSIS 
OF 
THE GENERA OF BRITISH PLANTS, 
ARRANGED ACCORDING TO 
THE LINN/EAN SYSTEM. 
The number prefixed to each Genus indicates the page where 
the description of the Species will be found. 
Where the group is a natural one the Order is referred to 
for the generic characters. 
Class I. MONANDRIA. Stamen 1. 
Order I. MONOGYNIA. Style 1. 
251. Salicornia. Perianth single, tumid. Fr. included in the 
enlarged perianth. 
108. Hippuris. Perianth single with a very indistinct rim 
crowning the ovary. 
145. Centranthus. Perianth double. 
(See Alchemilla, Nat. Ord. 27.) 
Order II. DIGYNIA. 
108. Callitriche. 
Class II. DIANDRIA. 
Order I. MONOGYNIA. 
* Fl. inferior. Perianth single or none. 
326. Ruppia. Perianth 0. Nuts 4. 
321. Lemna. Perianth single, urceolate. 
328. Cladium. Perianth single, a chaft'y glume. 
