53. DIPLAZIUM. § 1. EUDIPLAZIUM. 263 



lower pinnulae sometimes nearly free, contracted at the base, the lower 

 posterior of the lowest pinnae often somewhat reduced. Texture herbac- 

 eous; upper surface oUvaceous, naked, lower paler, minutely scaly; 

 veins simple, sometimes forked. Sori long, often double ; indusium narrow. 

 Neio Guinea. 



(28fl) W. Petci*senii, Christ.; Athyrium Petersenii, Copel, in 

 Philipp. Journ., VIIF, 141. 



Hairs or scales of rachis and surfaces fibrilliform. 



(29a) W. soB*aogon€iKS'"% Fr.; AlJiyrium sorsogonense, Copel., in 

 Philipp. Journ., 111°, 296, p. p. ; — var. poense, Copel., VIF, 61 ; — var. 

 mamberamense, v. A. v. R., in Bull. Btz., 1915, XX, 11. 



Forma typica. — Br. India to Papua. 



Forma angustior: Largest pinnae hardly 10 cm. long and 1^4 cm. 

 broad, deeply pinnatifid, the lobes crenate; lower pinnae somewhat reduced, 

 deflesed, short-stalked. — Luzon (Ramos). 



War. poense: A large and lax form, with the pinnae remote, 

 the lowest pinnae to 25 cm. long, 2^2 — 3 '/a cm. broad, the rachis soon 

 glabrescent. — Borneo. 



War. niaauherameiise: Higher pinnae adnate, coarsely serrate ; 

 central pinnae largest, obliquely truncate or subtruncate at the base, 

 lobed; lower pinnae shorter, obhquely rounded or cuneate at the base, 

 lobed to '/-,-way down to the costa; lobes serrate or serrulate. — 

 Neio Gtmiea. 



(296) D. brachysuroides, Copel.; Athyrium brachysoroides, 

 Copel., in PhiUpp. Journ., IIF, 296. 



(31ffl) O. bracliypotluEU, Copel.; Athyriitm grammitoides, Milde, 

 Copel., in Philipp., Journ., IBP, 290, p. p. 



(316) O. Bolster!, Copel.; Athyrium Bolsteri, Copel, in Philipp. 

 .Journ., nic, 296., 



(31c) See No. 40. 



(31d) » ^-eophiluiu, «. ^. ®. is., in Bull. Btz., 1912, VII, 12; 

 Athyrium geophlhim, Copel., in Philipp. Journ., IIF, 296. 



Rhizome 1 — 2 mm. thick. Stipes 2—10 cm. long, dark-grey, slender, 



