A. Tri cho manes

(maiden-hair).* Maidenhair Spleenwort. sti. densely tufted, 1in. to 4in. long. fronds 6in. to 12in. long, about ½in. broad, with fifteen to thirty opposite pairs of se ile horizontal pinnæ, which are ¼in. to ⅜in. broad, one and a-half to two lines deep, edge slightly crenate, the two sides unequal, the upper one the broadest, and narrowed suddenly at the base. sori linear-oblong, three to six on each side of the midrib. Great Britain, and almost cosmopolitan. Hardy species. See Fig. 174. There are several varieties in cultivation, of which the following are the most important: IMG:7081556231692414330_i_134b.jpg: F IG . 175. A SPLENIUM T RICHOMANES CRISTATUM .