HYPOLEPIS. 



345 



equally well in the greenhouse or in the stove, although in the latter place 

 it attains larger dimensions. Its ample fronds, 4ft. to 5ft. long and quadri- 

 pinnatifid (four times divided nearly to the midrib), are produced from 

 a stoutish, wide-creeping rhizome (prostrate stem) of a downy or slightly 

 hairy nature, and borne on strong, upright stalks 1ft. long and also slightly 

 hairy. The lower leaflets, usually 1ft. to l^^ft. long and 6in. to Din. broad, 

 are divided into spear-shaped pinnules (leafits), which in their turn are 

 subdivided into segments of similar shape, cut down to the rachis (stalk of 

 the leafy portion) into numerous narrow -oblong, toothed ultimate divisions. 

 The texture is soft and papery, and the under- surface is sometimes slightly 

 hairy. The sori (spore masses), two to six to an ultimate division, are 

 placed at the sinuses (notches) of the teeth. — Hooker, Species Filicum, ii., 

 p. 60, tt. 89c and 90a. Nicholson, Dictionary of Gardening, ii., j). 170. 



ISOLOMA— Is-ol-o'-ma. See Lindsaya. 



