11 



POLYPODIES 

 DICTYOPTERIS. (See page 4.) 



DlCTSTOPTERIS IRREGULARIS. (Presl.) Caudex stout ascending, stipites tufted 4 inches to 1| foot in length, black 

 setaceo-paleaceous at the base, fronds subeoriaceo-membranaceous minutely pellucido-punctulate glabrous often subglaucous beneath, 

 pinnate with very numerous pinnae, from 6 inches to a foot long, 1-3 inches wide more or less, petiolate broad-oblong acuminated, the lowest 

 pair half -ovate unequally bipartite, lowest segments deflexed and sometimes free, and 5-6 inches long, all of them more or less deeply lobed, 

 often to within one-third of the costa, the lobes oblong, acute, or acuminate entire or sinuato-lobate, terminal pinna petiolate pinnatifid, 

 eostule one to each lobe, the veins anastomose, copiously forming elongated areoles, which are longest near the costseand costules, areoles 

 frequently including a free veinlet ; sori dorsal or compital or even terminal on the free veins, copious, but rarely approaching the 

 costa, Hook. Sp. Fil. v. 101. Pr. Beliq. Hoenh. i. p. 25. t. 4. f. 3. El. Fil. Jav. p. 164. t. 72 ;— Dictyopteris, Pr. Tent. Pterid p. 194. 

 t.8.f. 7. Moore ;— Polyp, difforme, Bl.Fil. Jav. 135;— Aspidium. Bl En. Fil. Jav. p. 160 ;— Dictyopteris, Moore Ind. Fil. p. 90;— Phe- 

 gopteris, Metten. Fil Hort. Lips. p. 84**. 85./. 29 ;— Pheg. macrodonta, Metten. Phegopt,p. 31 ; — Dictyopteris,/^. Tent Pterid, p. 194* 

 Fee Gen. Fil. p. 267. t 31. A. f. 2 ; — Polyp, confluens. Wall. Cat. n. 325 ; — Polyp, eximium, Kze. in Bot Zeit iv. p. 424. 



The specimen figured is from the Calcutta Herbarium and represents the upper portion of a large frond. Aspidium f 

 PL CXYIII of " the Ferns of Southern India" is undoubtedly this plant, and the name on the plate should be altered. 



Hab. Moubaem, Anamally forests (Madras), Malay islands, Borneo, Luzon, Malacca, Fiji Islands, 



PLATE No. LXXYIL 



