﻿60o. phegopteRis. 509 



§ 5. MENISCIUM. 



a. Fronds simple. (40) Ph. Beccariana. 



uM. Fronds pinnate with i — 2 pinnae on each side. (41) Ph. triphylla. 



a.a.a. Fronds pinnate with 3 or more pinnae on each side. 



b. Fronds iO — 25 c.M. long. Pinnae truncate at the base. 



c. Pinnae + 5 — 20-jugate, the barren ones + 3 — 4 c.M. long. 



(42) Ph. Hosei. 

 c.c. Pinnae ± 20 — 30-jiigate, the barren ones i — 2^\.^ c.M. long. 



(43) Ph. stenophylla. 



b.b. Fronds 30 — i20 c.M. long. Pinnae cunente or rounded at the base. 



f. Pinnae narrowed very gradually at the base, with the areolae in 



3 — 5 rows on each side of the cosla. (44) Ph. salicifolia. 



f.f. Pinnae not narrowed very gradually at the base, with the areolae 



in 6 — -20 rows on each side of the costa. (45) Ph. cuspidata. 



(40) l*li. Beccariana, «. a. ». Ji.i Menisdum Beccarianum, Ces., 

 Fel. Becc. Polin., 5 & 8 ; Dryopteris Cesatiana, C. Chr , Ind. Fil. 



Rhizome creeping, slender, naked, blackish. Stipes angular, dark-brown, 

 strong, slender, 7 — 15 cM. long. Fronds simple, lanceolate, ± 30 c.M. long, 

 + 5 c.M. broad, the apex broadly, nearly suddenly acuminate, the margin 

 undulate and obscurely crenate, the base gradually narrowed. Texture sub- 

 coriaceous; costa and veins beneath covered with adpressed hairs. 



New Guinea; Fiji. 



* (41) Ph. triphylla, Mett., Christ, Farnkr. d. Erde, 269, fig. 

 850; Meniscium triphyllum, Sw., Rac, Flor. Btz., I, 66; Bedd., Ferns S.I., 

 tab. LVI ; Dryopteris triphylla, C. Chr., Ind. Fil. ; Nephrodium triphyllum, Diels, 

 in Engl, k Prantl, Nat. Pfl.Fam., I*, 177. 



Rhizome creeping, densely clothed with short, spreading hairs and less 

 densely with narrow, lanceolate, ciliate scales. Stipes 1 — 5 c.M. apart, slen- 

 der, subslramineous, slightly pubescent, those of the barren fronds 6 — 15 c.M. 

 long, those of the fertile 20 — 40 c.M. long. Fronds with an oblong-lanceolate 

 terminal pinna 10 — 15 c.M. long, 1\ — 4 c.M. broad, the point slightly acumi- 

 nate, the edge entire or repand, the base cuneate or rounded; below this 



(*) See also Ph. simpliciiolla, v. A. v. R., prolifera, Christ, stegno- 

 gramme, Mett. & DIerrillii, v. A. v, R, 



