68 



ASPLENIEiE. 

 DIPLAZIUM. (See « Ferns of Southern India/' p. 53.) 



DlPLAZIUM THELYPTEROIDES. (Mich.) Caudex stout creeping, stipites rather distant on the caudex a foot or more 

 long stramineous glossy brown below, fronds 1-3 feet long sub membranaceous dark-green lanceolate -acuminate firm pinnate, pinnae 

 subremote horizontal 34 inches long sessile from a broad base linear-oblong acuminated deeply almost to the rachis pinnatifid, segments 

 oblong-elliptical \ of an inch long horizontal entire or obscurely serrated very obtuse, veins mostly simple-pinnated, sori linear-oblong in 

 two series approximate upon the segments soon confluent, involucres convex pale firm-membranaceous entire convex at the margin lower 

 ones generally double, rachis stramineous. — Hook. Sp. Fit. iii. 229. — Mich. FL Bor. Am. ii. p. 265. — Willd. Sp. PL v. p. 336.— Schh 

 Fit. p. 71. t. 76. b.—Asa. Gray, Man. B. JST. U. St. p. 627.— Metten, Fil % EorU Lips. p. 78.— Asplen. p. 184 ;— Athyrium, Dm. Moore; 

 — Diplazium, ZV. ; — Aspl. aerostichoides, Sw. Syn. Fil. p. 275, 



The specimen figured is from Sikkim— Himalaya, (Dr. Thomson.) 



Hab. Northern India above Simla, Sikkim— Himalaya, Chinese Tartary, River Amur, North America, Canada to the 

 middle of United States, 



PLATE No. LXYIII, 



