52. GYMNOGKAMME, SELLIGUEA. 389 



B. Main veins prominent, texture coriaceous. Sp. 76-79. 



76. G. (Sell.) Feei, Hk. ; rhizome firm, wide-creeping, the scales bright-brown, 

 fibrillose ; fr. dimorphous, the barren ones 3-4 in. 1., 1^-2 in. br., ovate-oblong, on 

 stems 1-3 in. 1., the fertile ones 3-6 in. 1., |-lj in. br., on shorter stems, both 

 acute and entire ; texture coriaceous ; both sides naked ; main veins distinct, the 

 intermediate veinlets obscure ; sori linear-oblong, immersed, in single rows 

 between the main veins, not reaching either to the midrib or edge. Hk. Sp. 

 5. p. 158. 



Hab. Malay Peninsula and Isles. P. vulcanicum, Blume, is said to be like this, but 

 to have the barren and fertile fronds uniform. 



77. G. (Sell.) hetorocarpa, Blume ; rhizome woody, wide- creeping, the scales 

 dense, J jn. 1., linear, full-brown ; st.G-9 in. 1., firm, erect, naked ;fr. 6-12 in. L, 1-2 

 in. br., the point much acuminated, the edge entire, the lower part narrowed very 

 gradually ; texture subcoriaceous ; both sides naked, glossy ; main veins distinct 

 to the edge, the veinlets hidden ; sori linear-oblong, immersed, one between each 

 main vein, not extending either to the edge or midrib. Hk. Sp. 5. p. 160. 



Hab. Java. 



78. G. (Sell.) Hamiltoniana, Hk. ; rhizome wide-creeping, woody, the scales 

 linear, dull-brown ; fr. dimorphous, the barren ones 1 ft. ]., 3-4 in. br., spathu- 

 late, the stem 2-3 in. 1., the fertile ones 4-6 in. 1., 1^ in. br., the stems more than 

 1 ft. 1., slender, naked ; texture subcoriaceous ; both sides naked ; main veins 

 distinct to the edge, with copious intermediate areolse with free included veinlets ; 

 sori in broad continuous rows, one between each main vein. Hk. Sp. 5. p. 1GO. 

 Ceterach pedunculata, Hk. fy Gr. t. 5. 



Hab. East Himalayas (subtropical region). 



79. G. (Sell.) caudiformis, Hk. ; rhizome woody, creeping, the scales large, 

 pale-brown, lanceolate ; st. 6-9 in. 1., firm, erect, glossy, pale-brown ; fr. 6-9 

 in. 1., ovate-oblong acuminate, the sterile ones 3-4, the fertile ones 1-2 in. br. ; 

 texture coriaceous ; both sides naked ; main veins distinct to the edge, the veinlets 

 obscure ; sori in one continuous or interrupted row between the main veins. 

 Hk. Sp. 5. p. 158. Bot. Mag. t. 5328. 



Hab. Mergui, Moulmein, and Malayan and Polynesian Isles to Tahiti and New 

 Caledonia. 



** Fronds compound. Sp. 80-84. 



80. G. (Sell.) palmata, Baker ; st. 6-9 in. 1., polished, naked, ebeneous ; fr. 

 6-9 in. each way, cut down palmately very nearly to the base into five divisions, 

 the central one 4-6 in. 1., 1-1 in. br., oblong-lanceolate, slightly sinuated, the 

 others similar but shorter, and often unequal-sided ; texture thin-herbaceous ; 

 both sides nearly naked ; main veins wavy and falling short of the edge ; areolce 

 fine, irregular, 'with a few free veinlets ; sori fine, irregular in shape, united on 

 the uniting veinlets. 



Hab. San Christoval, Solomon Isles, Milne, 508. 



81. G. (Sell.) ettiptica, Baker; rhizome woody, wide-creeping; st. 1 ft. or 

 more 1., firm, erect, naked, stramineous ; fr. 12-18 in. 1., 6-9 in. br., cut down 

 nearly to the rachis in the upper and quite in the lower part into 4-6 linear-oblong 

 pinnce on each side, which are 6-8 in. 1., |-1^ in. br. ; texture herbaceous ; rachis 

 and both sides naked ; main veins slender, not distinct to the edge ; areolce large 

 and unequal, with free veinlets ; sori linear, oblique, reaching the midrib, but 

 not the edge. Polyp. Thunb. G. decurrens, Hk. Sp. 5. p. 161. 



