XIX 



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. MONANDBIA. Stamen 1. 

 Order I. MONOGYNIA. Style 1. 



277. SALICORNIA. Perianth single, tumid. Fr. included in the 



enlarged perianth. 

 120. HIPPURIS. Perianth single with a very indistinct rim 



crowning the ovary. 



160. CENTRANTHUS. Perianth double. 

 (See Alchemitta, Nat. Ord. 26.) 



Order II. DIGYNIA. 



293. CALLITRICHE. 



Class II. DIANDEIA. 

 Order I. MONOGYNIA. 



* Fl. inferior. Perianth single or none. 



355. RUPPIA. Perianth 0. Nuts 4. 



349. LEMNA. Perianth single, urn-shaped. 



358. CLADIUM. Perianth single, a chaffy glume. 



