SUPPLEMENT. 49 



the rachis, those of contiguous pinnae connected or contiguous, so as to form a 

 deeply incised wing to the rachis. Texture more or less flrm-herbaceous ; 

 rachis hairy above, scaly beneath, the scales linear, ciliate; surfaces more 

 or less hairy especially on the costae and veins; costae and veins more 

 or less sparingly scaly beneath; veins about 3 on a side, simple. Sori 

 1—2 to a lobe, often solitary and supraraedial on the lowest anterior 

 veins; indusium metamorphosed into a central tuft of hairs (minute and. 

 fugacious after Bk.). 



Celebes; Formosa, Japan, Korea, China. 



P. 160; l>. adnata. — Insert: See the Appendix. 



». suSisag-enioides. — Omit this species. See the Appendix. 

 P. 161 ; O. fllix luas. — Insert: See the Appendix. 

 P. 163; (37«) ». Elaiuleriana, etc. 

 P. 169, 1. 18 fr. b.; For: Bk.) — Read: (Bk.) 



1. 17 fr. b. ; For: aspera: — Read: aspera): 



1. 6 fr. b. ; For: division — Read: divisions 

 P. 173; 1>. Oakeri. — Omit the variety acrostichoides. See No. 63;?. 



(63e) ». acrostichoides, v. A. r. JS.,- D. Bakeri, Copel, var. 

 acrostichoides, v. A. v. R., 173; Aspidium canescens, Christ, forma acros- 

 tichoides, Christ, in Ann. Btz., XV, 132 ; Dri/opteris diversiloba, Christ, veer, 

 acrostichoides, Christ, in Philipp. Journ., IP', 200; D. canescens, C. Chr., 

 var., C. Chr., Ind. Fil; Nephrodium. acrostichoides, J. Sm., in Journ. of 

 Bot., Ill, 411; N. lineatum, Pr., Bk., Spec. Fil., IV, 75, p. p.; — var. 

 rhombea ; subvar. rhombea, Christ, 1. c. ; — var. lanceola ; subvar. lanceola, 

 Christ, 1. c. 



Rhizome short or somewhat elongated. Stipes more or less approx- 

 imate, 5 — 25 cm. long, villose, as is the rachis. Fronds dimorphous; 

 barren fronds on the shorter stipes, pinnate, + 10—25 cm. long by 

 3 — 12 cm. broad. Pinnae 5—10 on a side below the terminal one; 

 terminal pinna elongate-triangular, 6 — 10 cm. long, long-acuminate, grad- 

 ually deeply pinnatiiid towards the base; lateral pinnae horizontal or 

 arcuate-ascending, the lower not rarely deflexed ; largest pinnae varying 

 from short-oblong to long-lanceolate or obovate-oblanceolate, 1 ' ^ — 6 cm. long 

 by generally about 1 '/., cm. broad, blunt to acuminate, broadly and shallowly 

 crenate to regularly or irregularly lobed and then the lobes below the 



