OQ 



4^2 53. DIPLAZIUM. § 2. ANISOGONIDM. 



h.h. Simple frond or terminal pinna cuneate or rounded at the base. 



^. Stipes scaly throughout. FYonds with — 3 lateral pinnae on ea 

 side. (51) D. alismifoliii 



:^.if. Stipes scaly at the base. Fronds wtlh i — 6 lateral pinnae 

 "Mch side. (52) D. fraxinifolitt 



a.a. Fronds pinnate with more than 6 lateral pinnae on each side. 

 §. Pinnae entire. 



^. Pinnae membranaceous, narrowly cuneate at the base. 



(53) D. angustatu 

 ;)c.>tc. Pinnae subcoriaceous, rounded at the base. (54) D. pariei 



§.$. Pinnae toothed, lobed or pinnatifid. (55) D. proliferu: 



a.a.a. Fronds at least 2-pinnate (*). 



1. Largest pinnae to 25 c.M. long. 



3. Pinnulae rounded at the base. (56) D. Smithianu 



Z.3. Pinnulae truncate at the base. (57) D. spinulosu 



1.1. Largest pinnae + 30 c.M. long or longer in the fully developed fron 



(58) D. esculentu 



« (49) D. cordifolium, Bh, Christ. Farnki-. d. Erde, 221 ; H 



Icon. PL, X, tab. CMXXXVI; Asplenium cordifolum, Mett., Hk. Bk., Syn. F 



243; A. inlegrifolium, Mett., Rac, Flor. Btz., I, 230, p.p.; Callipteris cordifoi 



Copel. (not /. 5m.), Polypod. Philipp., 70; Anisogonium cordifolium. Bed 



.; Ferns Br. I., II, tab. CCCXXXI. 



^ Rhizome erect, densely clothed with brown, lanceolate scales. Slij 



2 clustered, + 20 c.M. long, firm, erect, scaly below. Fronds ± 25—35 c. 



^ long, + 10 c.M. broad, undivided, acuminate, the edge entire or subrepai 



pi the base cordate. Below this there are sometimes 1 — 2 pairs of lateral pimi 



which are ± erecto-patent, similar to the simple frond but smaller and n 

 02 rower, the lowest to + 15 c.M. long and ± 5—7 c.M. broad. Texture coi 



ceous; surfaces naked; veins in groups of 3 — 4, anastomosing in the ou 

 half of the pagina. Sori reaching from the midrib + to the edge. 

 Africa to Polynesia. 



* (50) O. Forbesii, C Chr., Ind. Fil.; Asplenium Forbesii, h 

 Ann. of Bpt., V, 312. See Supplement 1. 



(*) See also D. proUferum, Thouars, var. robastam. 



