155 



§12. HEMIONITIDEiE. 



(c.) Veins pinnate : venules reticulated. 



DICTYOCLINE. Moore. Gard. Chron, 1855. 854. 



Gen. char. Sori non-indusiate, narrow-linear, superficial on the anastomosing venules, the receptacles therefore reticulated. 

 Veins pinnate from a central costa ; venules transversely anastomosing forming 2 or 3 series of roundish -hexagonal areoles between the 

 primary veins. 



Fronds coarse herbaceous pinnate with 3-4 pairs of pinnae very hairy. Sori reticulated between the primary veins. Rhizome 

 short thick decumbent. (Moore,) 



This genus differs from Hemionitis in having pinnate venation, and in the sori only occurring on the venules. 



DlCTYOCLINE GrifPITHII. (Hook. Fil. et Thomson.) Caudex ? stipites 8-12 inches long villous paleaceous at the base 

 with subulate scales, fronds coriaceo-membranaceous, villous especially on the venation 8-10-14 inches long 6-8 inches broad cordato- 

 ovate acuminate pinnatifid or oblong or broad-ovate and pinnated, pinnce about nine, 6 inches long by 1-1 J inch wide petiolate oblong 

 subfalcate acuminate entire rotundato-cuneate at the base, terminal pinnaa large-petiolate acuminately pinnatifid, its lowest pair of segments 

 much the longest, the basal pair of pinnae the largest broad oblong falcate and acuminate more or less lobed the rest gradually smaller 

 upwards, the apex acuminated entire, pinnae and larger segments costate with the costae pinnated the rest of the venation reticulated, 

 costal areoles the largest.-Var. a. pinnata Hemionitis Griffithii. Hook. Fil, et Thorn ,—Var. B. pinnatifida. Hemionitis WilfordU. 

 Hook, Fil, Exot. t. 93. Hook. Sp. Fil. v. 193. 



The specimen figured is from Khasya (Hook. Fil, and Thorn.) 

 Hab. Khasya, Formosa, 



PLATE No. CLV, 



