HYMENOPHYLLACEAE 



575 



HYMENOPHYLLACEAE. 



This family includes only the two genera, Hymenophyllum and Tricho- 

 manes., but each is represented by a large number of species, distributed 



Kid. 322. 



Habit of HyiitL-nophylliiin. A=H. cruentutn, Cav. B = H. iiil,itnt>i:r, Sw. C = H. 

 nnstmle, Willd. (After Sadebeck, from Engler and Prantl, A'at. PJlamen/am.) 



chiefly in moist and shaded spots throughout the tropics : they extend 

 as stragglers northwards, though more freely to the south, and there is 

 a special centre of their distribution in New Zealand. 



