44 



ASPIDIEiE. 



LaSTREA ThELYPTEEIS (Presl.) Caudex very long, slender branched creeping black copiously rooting, stipites distant 

 about a foot 'ion., slender stamineous black at the base, fronds firm-membranaceous 12 feet long, oblong acuminated glabrous, or 

 pubescent on the cost* beneath, pinnated, pinna, sub-opposite patent 2-4 inches long, sessile linear-oblong acuminated pmnatifid almost 

 to the apex and down nearly to the rachis, segments ovate or oblong acute rarely snb-falcate quite entire, veinlets simple the lower once 

 or twice forked, sori copious nearer the recurved margin than the costule, involucres cordato- reniform with glandular hairs at the margin 

 deciduous -Hook Sp. Fil. iv. SS.-Hook. Brit. Ferns t. 13.-Aspidium, Sw. Syn. Fil.p. 57.-WUld. Sp. PL v. p. 249.-&M. Fxl. 

 P 51 t. 52.-Sm. Engl. Bot. t. M.-J£aten. Aspid. p. 112.- Rook, and Am. Brit. Fil. ed. viii. p. m.-Asa Gray, Man of Hot. 

 p. 526. 



The specimen figured is from the Khasya Hills. 



Eab. Khasya Hills, Kashmir, Manchuria, Amur.- Marshy ground throughout Europe and North America. 



PLATE No. XLIV. 



