ETTMOLOGT. 41 7 



Mici'opteriis, milii-os, small, pteris, a small Fern. 



Microsornm, mikros, small ; small sori. 



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



frond being- like a little bunch. 

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

 Monogramma, mono, one, gramma, a line ; sori in one line 



on each frond. 

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



into a number of small parts. 



Neottopteris, neottia, neat, pieris ; Bird's-nest Fern. 

 Nephrodium, nephros, kidney ; form of the indusium. 

 Nephrolepis, nepJiros, kidney, lejjis, scale ; the indusium 



being kidney-shaped and scale-like. 

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

 Neurodium, neuron, nerve ; the venation. 

 Niphidium, niplios, of snow, idium, like ; like niphobolus. 

 Niphobolus, nipJios, of snow, holos, a large pill ; the under 



side of the frond densely covered with white scales, 



snow-like and the round sori. 

 Niphopsis, nipJios, snow, opsis, like ; like niphobolus. 

 Notholasna, nothos, sjDurious, chlcena, cloak ; the imperfect 



indusium. 



Ochropteris, 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 astro- 

 nomer. 



Onoclea, onos, a vessel, Ideio, to enclose ; the rolled-up fer- 

 tile segments of the frond. 



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

 segments of the fronds. 

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