388 52. GYMNOGRAMME, SELLIGUEA. 



70. G. (Sell.) avetiia, Baker ; rhizome creeping, the scales linear, dull-brown ; 

 fr. 12-18 in. 1., 1-3 in. br., the point acuminate, the edge entire, the lower 

 half narrowed gradually to the base or a short stout black stem ; texture sub- 

 coriaceous ; both sides naked ; areolce distinct, with free veinlets ; sori in long 

 parallel oblique lines nearly touching the midrib but falling short of the edge. 

 Grammitis, Blume. 



Hab. Malayan Peninsula and Isles. Habit of the last, but thinner in texture, not 

 wrinkled when dry, the areolae finer, and furnished with free veinlets. 



ft Main veins distinct nearly or quite to the edge. Sp. 71-79. 

 A. Main veins fine, texture of the frond papyraceous. Sp. 71-75. 



71. G. (Sell.) membranacea, Hk. ; rhizome wide-creeping, the scales small, 

 linear, nearly black ; st. 2-6 in. 1., nearly naked ; fr. 6-12 in. 1., |-l^in. br., 

 the point much acuminated, the edge e'ntire, the lower part narrowed very 

 gradually ; texture papyraceo-herbaceous ; both sides naked ; primary veins 

 distinct to the edge, but zigzag and very slender, united by similar transverse 

 veinlets so as to form large hexagonal areolse ; sori in oblique parallel inter- 

 rupted lines, one between each main vein. Hk. Sp. 5. p. 159. 



Hab. Malay Isles and Philippines. 



72. G. (Sell.) Wrightii, Hk. ; rhizome firm, wide-creeping, the scales small, 

 linear, dull-brown ; st. 3-4 in. 1., firm, naked ; fr. 12-18 in. L, 1-1| in. br., the 

 apex acute, the edge irregularly repand, narrowed suddenly about the middle 

 and below this very gradually into the stem ; texture papyraceo-herbaceous ; 

 both sides naked ; main veins distinct to the edge, but zigzag and very slender ; 

 areolce copious, with free included veinlets ; sori in continuous oblique parallel 

 rows one between each main vein. Hk. Sp. 5. p. 160. t. 303. 



Hab. Loo Choo and Formosa. 



73. G. (Sell.) regularis^ Baker ; rhizome creeping, the scales in. 1., ovate- 

 lanceolate, subferruginous ; st. 1-6 in. 1. ; fr. dimorphous, the barren ones 

 15 in. L, 2 in. br., elongate-oblong, narrowed gradually to both ends, the edge 

 entire, the fertile ones 8 in. L, 2 in. br. ; texture papyraceous ; both sides naked ; 

 main veins 2-3 lin. apart, the areolse copious, subquadrate, the main ones divided 

 into distinct secondary ones with free veinlets ; sori in single interrupted or con- 

 tinuous rows between the main veins. Polyp. Mett. Fit. Ind. 2. p. 225. 



Hab. Borneo, Korthals. 



74. G. (Sell.) macrophylla, Hk. ; rhizome creeping, the scales lanceolate, dull- 

 brown ; st. 26 in. L, naked ; fr. 12-18 in. 1., 3-4 in. br., narrowed gradually to 

 both ends, the edge entire ; texture papyraceous ; main veins distinct but slender 

 and zigzag, with copious uniform subquadrangular areolse with free veinlets 

 between them ; sori in single continuous or slightly interrupted rows between 

 the main veins. Hk. Sp. 5. p. 159. 



Hab. Malay and Philippine Isles and New Guinea. 



75. G. (Sell.) spuria y Baker ; rhizome, creeping, the scales ovate-acuminate, 

 brown ; st. 9 in. 1., reddish-brown, margined upwards ; fr. 1 ft. 1., 3 in. br., 

 ovate-oblong, the base cuneate, the point bluntish, the edge subrepand ; texture 

 papyraceous ; both sides naked ; main veins straight, prominent, 3-4 lines 

 apart ; areolce irregular, the main ones divided, and those again sometimes 

 subdivided with free veinlets : sori in single interrupted rows. Polyp. Mett. Fil. 

 Ind.2.p.22Q. 



Hab. Celebes, Forsten. 



