GLOSSARY. I2I 
Falcate, shaped like a reaping-hook. 
Filiform, thread-shaped. 
Flabelliform, fan-shaped. 
Flexuous, winding; crooked; zigzag. 
Frond, the main stem of a fern. with, its branches, &c. 
Fructification, \ 
Fruit j the son, spore-cases, and their appendages. 
Furcate, forked. 
Gibbous, bulged out. 
Glabrous, bald ; smooth. 
Glaucous, hoary grey-green, like the back of a cabbage-leaf. 
Grumous, thick ; clotted. 
Gyrate, curled up. 
Habitat, the native home of a plant, where it grows indigenously. 
Herbaceous, green and leafy. 
Hybrid, a mixed plant, composed of two species. 
Hybridisation, the commingling or running of plants of different 
species one with the other. 
Imbricated, laid one upon the other, like tiles. 
Immersed, sunk. 
Indeciduous, retaining its leaves during the winter, whether changed 
in their colour or not. 
Indusium, the cover over the mass of spore-cases. 
Involucre, used by some writers for indusium. 
Laciniated, jagged. 
Lanceolate, narrow, oblong, triangular above, and contracted again 
• below ; lance-shaped. 
Lateral, springing from the side of the- root, stem, &c. 
Ligulate, strap-shaped, like the blade of a paper-cutter. 
Linear, very narrow, with the two sides parallel. 
Loam, earth composed of chalk and clay. 
Lobe, scalloped portion of the leaf between its divisions ; or leaf itself, 
or branch, when not cut down quite to the stem ; sometimes useo 
for perfect leaf. 
Lobed, divided more or less deeply down into scallops, or paits lounded 
at their edges. 
Lunate, crescent-shaped. 
