186 22. DRYOPTERIS. § 1. LASTRAEA. 



Hk, Spec, Fil., IV, 108; N. calcaralum Hk., Hk. Bk., Syn Fil., 264; — var. 

 serecia ; L. calcarata, Moore, var. sericea, Bedd., Haiidb. Ind. Ferns. 257 ; L. se- 

 ricen, •Scott, Bedd., Ferns Br.L, II, tab. CCCVIII. 



Rhizome erect, clothed with few, broad, lanceolate scales. Stipes tufted, 

 4 — ?0 c.M. long, hairy on the upper side, decidaously scaly' neai- the base. 

 Fronds /lO — 60 c.M. long, 5 — 20 c.M. broad, ovate, the apex acuminate, pin- 

 natifid with lineai'-oblong, suberect lobes. Pinnae spreading or erecto-patent, 

 sessile or stalked, ''''/^ 2 c.M. broad, the lower ones hardly shorter, the apex 

 acute or acuminate, the base cuneate to truncate, the edge cut down */, or 

 more to the costa into oblong, acute or bluntish, falcate or suberect lobes 

 1 — 3 m.M. broad, the lowest lobe on the anterior side not rarely elongate, 

 + parallel to the rachis. Texture herbaceous but firm ; rachis and s urface s- 

 villous; veins simple, 3 — 8 on a side. Sori medial; indusium hairy or naked, 

 persistent. — A well-marked plant by the often nearly erected lobes. N.fal- 

 cilobum, Hk. is a form with broader pinnae and deeper and more spreading 

 lobes than usual. 



War. sericea: Pinnae short, dblong, 2 '/a — B c.M. long, 1 — 2 c.M. 

 broad, obtuse at the apex or ending in a sudden point, never cordate. Indu- 

 sium naked. 



Malaya ; Br. India, South. China, Samoa , — vai" sericea : Ufalacca, North. ^ 

 South. India. 



* (18) D. viscofsa., O. Xtxe, C.Chr.,lnd.^il.,Nephrodiummcosum, 

 Bk., Hk. Bk., Syn. Fil., 264; Lastraea viscosa, J. Sm., Bedd., Ferns Br.L, II, 

 tab. CCGXXXIV. See the Appendix. ; 



S tipes — tS — erM: — or moro long, firm, oroot) roddioh brown, olightlyccfll jt j 



finely villose. Fronds 20 — 30 c.M. long, 10 — 15 c.M. broa(l,jeWoiTg^Ianceolate. 

 Pinnae close, 3 — 8 c.M. long, 1 — I'/a cftLbEostdT-TTuFnearly to the costa into 

 close, spreading, linear-oblongiubes'TlnSCT i'/j m.M. broad. Texture herbaceous; 

 rachises viUogfi^— afieast the under surface densely glandular; veins S — 6 on 



a «-ffdg? Sor i m edial . — Lower pinnae a littl e short e r and dofloxod. — 



Malacca, Sumatra, Borneo, Philippines. 



* (19) ». graeilesceiis, O. Ktaie, C. Chr, Ind. Fil.; Aspidium 

 gracilesccns, BL, Rac , Flor. Btz., I, 170., Lastraea gracilescens, Moore, Bedd., 

 Ferns Br.L, II, tab. CGLIII; Nephrodium gracilescens, Hk., Hk. Bk., Syn. Fil., 

 262; — var. decipiens, Bedd., Handb. Ind. Ferns, SuppL, 51; var. glanduligera, 

 Bedd., L c. ; A. glanduligerum, Kse., Mett, Farng., IV, Phegop. & Aspid., No. 207. 



