2D8 I'EKNS : BEITISa and,foeeigh. 



Mai-attia, in honour of J. ¥. Maratti, of Tuscany, who wrote 



on ferns. 

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

 Meuiscium, menishos, crescent ; shape of the fructification. 

 Mesochlsena, mesos, middle, chlcena, a cloak ; attachment of the 



indnsium. 

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

 Miorosorum, mikros, small; small sori. 

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



frond being like a httle bunch. 

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

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



into a number of small parts. 



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

 Nephrodium, nepliros, kidney; form of the indusium. 

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



kidney-shaped and scale-like. 

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

 Keurodium, neuron-, nerve ; the venation. 

 Niphobolus, niphos, of snow, holos, a large piU; the under side of 



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



the round sori, 

 JTiphopsis, niphos, of snow, opsis, like ; Uke niphobolus. 

 Notholasna, nothos, spurious, chlcBna, 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 honom- of Professor OHers, a celebrated astro- 

 nomer. 



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

 fertile segments of the frond. 



Onychium, onychion,.a, httle nail; resemblance to the fertile 

 segments of the fronds. 



Ophioglossom, ophios, 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. 

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

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



