Fig. 436. 



5J[() FILICES. (KEEN FAMILY.) 



A. aculcatum, L. If .6 to .1; root- 

 stock thick, densely clothed with brown, 

 scarious, ovate, tapering scales. Stipe short ; 

 axes clothed with tawny, scarious scales; frond 

 (iblong-lanceolate, tapering at both ends, bi- 

 pinnatisect; pinnae oblong-lanceolate, taper- 

 ing; pinnules trapezoidal, unequally spiny- 

 dentate, mucronate at tip, the lowest some- 

 what pedicelled, the upper confluent ; sori in 

 two rows, parallel to niidrib— July— Woods; 

 Amanus, and northward. 



14. IVEPHRODIUM, Rich. Nephrodium. 



Sori orbicular, in rows or scattered. In^. Fia. 437. 



dusium before maturity hemispherical-reni- 

 form, with an umbilicate centre. Stipe con- 

 tinuous with root-stock. 



Ijower pinnules of Aspidium 

 aculeatum. 



1. IV. rigiduin, Sw. It .8 to 1.2; root- 

 stock thick. Stipe and rachis green, clothed 

 with bu£E-colored, scarious scales; frond ob- Pinnule of Nephrodiumr.gidum 

 Ion ^-lanceolate, tapering but little at base, alternately bipinnate; pin- 

 n[e oblong-lanceolate, acuminate; pinnules oblong-lanceolate, at base 

 of pinna pinnatisect into rounded toothed lobes, toward apex undivid- 

 ed, denticulate. Sori in 2 rows near margin; indusium glandular -- 

 ATarch to September — 



Var. australe, Boiss. Lower pinnules more pinnatisect. Indu- 

 sium often glabrous — Shady places. 



2. S. Filix.Mai, L. Fig. 438. 

 21 Male Fern. Es-sarTdias- 

 edh-dhakar. .3 to 1; root- 

 stock thick, oblique, den- 

 sely clothed with tawny 

 scales. Stipe more or less 



chaffy; frond oblong-Ian- (a) An upper pinna of Nephrodium Filix-Mas. 



ceolate, tapering at both obtusum. {l) Two pinnules of a lower pinna. 



ends, bipinnatisect; pinnae oblong to oblong-lanceolate, tapering; pin- 

 nules oblong, truncate, confluent at base, crenate-toothed at apex ; sori 

 on lower pinnules in two rows, on upper few, scattered — July — 



Var. obtusum. Post. Fronds oblong, slightly tapering. Pin- 

 nse oblong, obtuse ~ Woods ; Amanus. 



3. N. Thelypteris, L. 2f .3 to .8 Fig. 439. 



or more ; root-stock slender ^ creeping. Stipe 



long, slender, naked, polished ; frond oblong, 



acutish at both ends, bipinnatisect; pinnae 



oblong-lanceolate to linear-lanceolate, axis 



naked ; pinnules confluent at base, in sterile 



fronds oblong, acute, entire, in fertile 



fronds triangular, owing to rolling in of 



margins; sori in two rows, at length confluent — May and June 



Antilebanon, one hour east of Kefr Hfineh. 



Var. 



Upper pinna of Nephrodium 

 Thelypteris. 



