716. LECANOPTERIS. 407 



1. Sori immersed in the outgrowths (teeth or lobules). 



9. Soriferous outgrotvths retroflexed (turned back on the upper surface 

 of tlie jiinnae). 



3. Outgrotvths not twisted., i. e. -with the mouth of tlie cavity 

 facing upioards. 

 S:. Outgrowths oblong. 



S. Texture thick. (1) L. carnosa. 



S.S. Texture thin. (2) L. incurvata. 



4.J. Outgrowths semiorbicular. (3) L. Nieuwenhuisii. 



3.3. Outgroioths tivisted, i. e. with the mouth of the cavity facing 



toioards the margin or the apex of the pinna. 



(4) L. davallioides. 

 S,2. Soriferous outgrowths not retroflexed (produced beyond the margin 

 the of the pinnae). 



a. Soral cavities occupying the whole of the teeth or lobules., i. e. 

 extending to the base. (5) L. Curtisii. 



a.a. Soral cavities occupying only the apical portion of the teeth 

 or lobules., i. e. not extending to the base. 

 h. Outgroioths horizontal. (6) L. philippinensis. 



b.h. Ooutgroioths ascending. (7) L. deparioides. 



±.±. Sori superficial on the outgrorvths {teeth or lobules). (8) L. Macleayi. 



(1) Ij. carnoisa, Bl., Flor. Jav., II, tab. XCIV A; Diels, in 

 Engl. & Prantl, Nat Pfl. fam., P, 328, fig. 169; Polypodium Lecanoptiris, Mett., 

 in Ann. Mus. Bot. L. B., II, 224 ; P. carnosum, Christ., in Ann. Btz., XV, 160 ; P. 

 patelliferum, Burck, in Ann. Btz., IV, 96, tab. VII; — var. pumila: 

 L. pumila, Bl, 1. c, tab. XCIV B. 



Rhizome thiclf, nalfed, yellowish, forming a semiglobose mass 

 to about 15 cm. broad and 9 cm. high, covered with several conical or 

 semiglobose protuberances, whether or not accompanied by subulate, 

 simple or branched prickles (probably reduced fronds). Stipes on the 

 protuberances, 5—15 cm. long, brown, naked, glossy. Fronds dimorphous, 

 cut down nearly or quite to the costa. Segments many to numerous on 

 each side below the terminal one, 2'/2 — 5 cm. long by 1 '/s — 2 cm. broad; 

 barren segments oblong, blunt, entire or repand; fertile segments propoi-- 

 tionally longer and narrower, lobed, the lobules oblong, obhque, rather 

 remote, obtuse, narrowed at or near the base, retroflexed (turned back 



