Ixxx INTRODUCTION. 
LXXXIII. Amaryllidez. Terrestial plants. Perianth of 6 divisions, 
Stamens 6, . 
LXXXIV. Dioscoridee. Twining plants. Flowers unisexual. Peri- 
anth regular, of 6 divisions. . 
**"* Perianth regular. Ovary syncanpous, superior. 
LXXXV. Liliacez. Perianth petal-like. 
LXXXVI. Juncacex. Perianth stiff, or calyx-like. Capsule 3-celled, 
with several seeds, or 1 erect seed in each cell. : 
LXXXVII. Restiacee. Perianth calyx-like. Flowers unisexual. 
Ovary with 1 pendulous ovule in each cell. 
RREES Perianth rudimentary or none, replaced by chaffy sate or bracts 
enclosing the flowers. 
LXXXVIII. Cyperacez. Leaf-sheafs entire. Hach flower in the 
axil of one bract. 
LXXXIX. Graminez. Leaf-sheaths split open opposite the blade, 
Each flower enclosed in two bracts. 
CLASS ITI.—VASCULAR CRYPTOGAMES. 
No true flowers ; that is, no stamens or pistils. 
XC, Lycopodiacez. Spores of one form only, in closed capsules, in 
the axils of the leaves, or of the bracts of a terminal spike, or in the 
base of the leaves.- 
XCI. Selaginellacez. Spores of two forms, in closed capsules in the 
axils of the leaves, or of the bracts of a spike. 
XCII. Marsileacez. Spores in minute cases enclosed in globular or 
ovoid utricles (or involucres) placed on the rootstock. 
XCIII. Equisetacez. Stems jointed, with whorled branches. Spores 
under peltate scales, in terminal heads or spikes. 
XCIV. Filices. Spores in minute cases clustered on the back or 
margin of the fronds. 
The remaining families of British Cryptogams [called cellular, from 
having no vascular tissue (see p. xli1., par. 186)] are not included in the 
present Flora. [They are the Charas, Mosses, Laem Hepatice, 
Fungi, Lichens, and Algz.] 
