22. DRYOPTERIS. § 1. LASTRAEA, 205 



Rhizome erect or suberect. Stipes tufted or approximate, 2S — 60 c.M. 

 long, often glaucous, scaly throughout or at tho baco only. Fronds deltoid- 

 lanceolate, 30 — 100 c.M. long. Lower pinnae largest, often 20—30 c.M. long, 

 10—13 c.M. broad, sessile or short-stalked, linear-lanceolate, with the rachis 

 often narrowly winged above. Pinnulae close, ovate- to linear-lanceolate, 

 ^/.^ — 1 '/a c M. broad, cut down nearly or quite to the rachis into close, pin- 

 natifid lobes 1^2 — ^Va ^-^i- broad. Texture herbaceous; main rachiG hairy 

 •« n the upper side; rachise s and under surface finely ^»iiGs^, the hairs whitish, 

 scattered. Sori minute, copious, 4—6 on each side of the costulae; induoium 

 ' fugaciouB . 



¥ai». pallida ; Indueium BupproESod and undovelopcd , vigiblo only by 

 BO 100 X magnifying powor, eoon hidden i among tho much larger capGulo B i 



Br. India across China and Japan, Polynesia and Trop. Australia. 



* (60) ». Kcylnnica, ». A. ». n.,- D. obtusiloba, 0. htze {ml C.Chr.), 

 Rev. Gen. PL, II, 815; ■M.-^-pemnsmirformis, C.^hr.,-^i)ar7i G.-Ghr^, lnd.¥i\:r 

 Aspidium ohtusilobum, Pranll (not Bk), ghrist, Ann. Btz., XV, 130; Laslraea 

 obtusiloba, Bedd., Ferns Br.I., II, tab. CCXCVI; Nephrodium obtusilobum, Bk., 

 Hk. Bk., Syn FiL, 284. 



Stipes 30—60 c.M. long, firm, erect, densely clothed with large, ovate 

 scales. Fronds 90—120 c M. long, 4S— 60 c.M. broad. Lower pinnae longest, 

 to 15 c.M. broad. Pinnulae lanceolate; most of the segments of the lower 

 jones^' distinct, ovate, oblong, cut down to the rachis into oblong-rhomboid al, 

 ± entire lobes, the largest to 3—6 m.M. long, to 2i/j— 3 m.M. broad. Tex- 

 ture herbaceous; rachlses more or less scaly, the upper ones, and especially 

 the under surface more>r less glandular; lower veins of the lobes forked. 

 Sori medial. 



Celebes; Ceylon. 



* (61) O. miiltisela, C. Chr., lud. FiL; Nephrodium multisetum, Bk., 

 Journ. of Linn. Soc, Bot., XXII, 226. jSee Supplement 1. 



Stipes tufted, long, pale, densely clothed like the rachises with long, 

 spreading or suuarrose, rigid,„subulat6,castaneous bristles. Fronds ^Itoid, 

 decompound, 4r-4^e--e* TongYT^owerpmnae oblong-lanceolate, oO-*S cm. 

 long, 10—15 c.M. broad. Pinnulae multljugate, lanceolate, 1—2 c.M. broad, 

 the largest with 12—15 adnate, distinct, pinnatifld divisions on each side 

 below the pinnatifld apex. Tertiary divisions linear-oblong, i=a m.M. broad; 

 the lobes smaU, deltoid. Texture herbaceous; veins forked in the largest 



