332 FBRNS : BRITISH AND FOREIGN. 



Marattia, in honour of J. F. Maratti, of Tuscany, who wrote 



on ferns. 

 Marsilea, in honour of Count L. F. Marsigli, of Bologna. 

 Meniscium, menishos, crescent ; shape of the fructification. 

 Mesochlaana, mesos, middle, cldwna, a cloak ; attachment of the 



indusium. 

 Microlepia, mihros, small, lepis, scale ; the indusium small. 

 Microsornm, mihros, small ; small sori. 

 Microstaphyla, mihros, small, staphyle, a bunch; the fertile 



froDd being like a little bunch. 

 Mohria, in honour of D. D. Mohr, a German botanist. K 

 Myriopteris, myrios, myriad, pteris; the frond being divided 



into a number of small parts. 



Neottopteris, neottia, nest, pteris ; bird's-nest fern. 

 Nephrodium, nepTiros, kidney ; form of the indusium. 

 Nephrolepis, nephros, kidney, lepis, scale; the indusium being 



kidney-shaped and scale-like. 

 Neurocallis, neuron, a nerve, hallos, beautiful ; the venation. 

 Neurodium, neuron, nerve ; the venation. 

 Niphobolus, niplws, of snow, holos, a large pill ; the under side of 



the frond densely covered with white scales, snow-like and 



the round sori. 

 Niphopsis, niplws, of snow, opsis, like ; like niphobolus. 

 Notholasna, nothos, spurious, clilcena, cloak; the imperfect 



indusium. 



Ochroptcris, ocliros, pale ; pale fern. 

 Odontosoria,- odontos, of a tooth, sori; the sori-like teeth. 

 Oleandra, resemblance to Nerium Oleander; the Oleander. 

 Olfersia, in honour of Professor Olfers, a celebrated astrc 



nomer. 

 Onoclea, onos, a vessel, hleio, to enclose ; the rolled-v.-p 



fertile segments of the frond. 

 Onychium, onychion, a little nail; resemblance to the fertile 



segments of the fronds. 

 Ophioglossom, opliios, of a serpent, glossa, tongue; the spikes 



of fructification. 

 Osmunda, Osmunder, one of the names of Thor, a Celtic 



divinity. 



Paragramma, para, near to, gramma, a line ; the sori in short 



lines parallel with and close to the margin. 

 Pellsea, pellos, dark-coloured; the dusky colour of the fronds. 

 Phcgopteris, pliegos, beech; beech fern, by some called sun fern. 



