FILICES. (FERN FAMILY.) 



906 



O. rcgalis, L. U Royal Fern. .3 to .6. Stipe grooved ; lower 

 piunre sterile, pinnules oblong, obliquely truncate at base, crenulate; 

 upper pinna) fertile, forming a panicle of linear pinnules, densely 

 covered with fruit dots — May —Moist shady places; middle Lebanon. 



3. OYimVOGRAlfllflE, Desv. Gymnogramme. 



Sporan*Tia in more or less evident sori, at length confluent. Frond 

 destitute of scales beneath, 1-3-pinnate — Dwarf annuals, with light 

 green foliage, growing on the northera exposure of walls and rocks. 



G. Icptopliylla, L. .05 to Fig. 424. Fig. 425. 



.2, glabrous. Stipe at first green, then 

 purplish. Lower fronds short, with 

 fan-shaped segments, upper longer, 

 with obovate-cuneate segments — 

 February to April — Coast region. 



4. CETARACH. Willd. 

 Cetarach. 



Sori linear, mixed with scurfy 

 scales, on secondary veins of lower 

 surface of pinnatipartite frond — 

 Dwarf, tufted ferns, growing in clef ts 

 of rocks, and chinks of walls. 



Tip of frond of Gymno 

 gramme leptophylla. 



Tip of frond of Ce- 

 tarach officinarura. 



€, officiiiaruni, Willd. 71 Fronds oblong, spreading; pinnae 

 alternate, round-ovate to oblong, obtuse, entire, glabrous above, con- 

 fluent — February to May — Common throughout. 



Var. sinuatuui, Post. Pinn^ not overlapping, sinuate, crenate- 

 toothed and lobed — Abeih (Lebanon^. 



5. POEYPODIUIWr, L. Polypody. 



Sori round, naked, arranged on the back of Fig. 426. 



the frond in one or more rows on each side of ^ . 



the midrib, or scattered. Stipes jointed on 

 root-stock. ' 



P. Yulgare, L. If Ptoot-stock creeping, 

 often above ground, densely covered with rusty 

 scales. Fronds evergreen, .15 to .3 high, pe- 

 tioled, glabrous on both sides, deeply pinnatitid ; 

 pinnsB oblong and oblong-linear, acute or obtuse, 

 entire or serrulate —February to July — Shady 

 rocks; common. 



6. NOTOCHEiEI^A, R. Br. NoTOcnL^i^A. 

 Sori marginal, oblong-orbicular, with nu- 

 merous sporangia, soon confluent, concealed by 

 the long wool or chail. Stipe continuous with S^^JV^u^^Jr^lvrptaT 



root-stock. gium. 30 diameters. 



1. Ey. lanugino§a, Desf. 2i Fronds tufted, .1 to .2 long, 

 inith very short stij^es, oUojig, bipinnate, green, hairy at upper sur- 

 face, covered icith tangled wool at lower ; pinnules small, round or ovate, 

 entire, or lowermost pinnatipartite— April— Sea of Galilea; Nazareth; 

 FezCir near 'Abeih. and northward. 



