NOTHOCHLJENA ONYCHIUM. 151 



N. LANUGIXOSA (Woolly). From Madeira. Fronds covered 

 with fine, woolly hair, the under side quite brown, bipinnate, 

 growing 6 inches high ; the pinnss are almost round, except 

 the end one, which is lobed or hollowed, as it were, into two 

 or three parts. Spore-masses circular, and placed at the end 

 of the pinnae. Increased slowly by dividing the slow-creeping 

 rootstock. 



N. VESTITA (Clothed). A nearly-hardy North- American 

 Fern. Fronds bipinnate, 5 inches high; pinnae roundish, and 

 thickly set on the midrib. The whole plant is densely clothed 

 with rather long hairs, very conspicuous even to the naked 

 eye. We have had this Fern exist through a mild winter, 

 plunged in coal ashes behind a low west wall ; but in a very 

 severe winter it perished. It is safe in a good greenhouse if 

 treated carefully. Every one of the above species is a very 

 elegant plant, and will try the skill of the best cultivator. 



ONYCHIUM. 



Derived from onichion, a little claw : divisions of the fronds 

 resembling a claw. 



"We formerly grew this Fern under the name of Ccenopteris 

 japonica. It is now made a separate genus. There is only 

 one greenhouse species in cultivation, and it is a very elegant 

 one. We find it quite hardy enough for greenhouse tem- 

 perature. 



ONYCHIUM LUCIDUM (Shining), Fig. 69. Native of various 

 parts of the East. Fronds slender, and of two kinds, fertile 

 and barren, both forming almost a triangle. The fertile fronds 

 grow 3 or 4 inches longer than the barren ones ; the latter are 

 a foot long, bright green, and finely-divided. Spore-masses 

 small, but when magnified may be seen in clusters between 

 the midrib and the margin ; when nearly ready to burst they 

 are spread out, almost covering the under side of the pinnae. 

 Easily increased by dividing the creeping rhizome. 



