60. ACROSTICHUM, *** SOROMANES, **** f GYMNOPTERIS. 417 



with lanceolate entire lobes, the lateral ones unequal-sided, with elongated lobed 

 lanceolate-oblong lower pinnl. not reaching down to the rachis ; texture papy- 

 raceous ; both sides naked ; fertile fr. with a st. 12-18 in. 1., deltoid, with distant 

 linear pinnae ^ lin. br., the upper ones simple, the lower pinnatifid. Hk. Sp. 5. 

 p. 257. Fil Ex. #.81. 



Hab. Philippine, Malay, and Solomon Isles. S, cicutaria, Presl, known only in a 

 barren state, is more deeply divided, with narrower lobes and more conspicuous main 

 veins, which are fulvo-villose on the under surface. 



*** Soromanes, Fee. Feins pinnate, a few of those of contiguous groups usually 

 joining. Sp. 92. Fig. 60. t. u. 



92. A. (Soro.) Ccenopteris, Kze. ; rhizome woody, wide-creeping, densely clothed 

 with long linear ferruginous scales ; st. 6-12 in. 1., stramineous, scaly below ; 

 fertile fr. 1^-3 ft. 1., 1 ft. or more br., simply pinnate ; pinnae 4-8 in. 1., 1-1^ 

 in. br., oblong-lanceolate, entire or toothed, especially towards the point, or 

 sometimes pinnatifid ; texture subcoriaceous ; both sides naked ; fertile fr. 

 smaller and narrower, with pinnate pinnae -1 in. br. Hk. >Sp. 5. p. 256. S. 

 serratifolium and integrifolium, Fee. 



Hab. Mexico to South Brazil. The venation is that of Cydodium, and in some of the 

 forms the veins hardly unite at all. 



#-x*# Veins anastomosing copiously. Sp. 93-132. 



t Gymnopteris, Bernh. Fronds dimorphous. Main veins distinct nearly or 

 quite to the edge. Sp. 93-107. Fig. 60. v-x. aa. bb. 

 I 

 A. Barren frond entire. Sp. 93-95. 



93. A. (Gym.) Linnceanum, Hk. ; rhizome wide-creeping ; st. 1-2 in. 1., 

 sliuhtly fibrillose below ; barren fr. 4-8 in. 1., \ in. br., narrowed gradually to 

 both ends, sometimes rooting at the point, the edge entire ; texture papyraceous ; 

 colour dark-green ; main veins fine, rather zigzag but distinct nearly to the edge ; 

 areolce copious, without free veinlets ; fertile fr. 3-4 in. 1., J in. br., the st. 

 slender, 4-5 in. \.-HJc. Sp. 5. p. 278. 2nd Cent. t. 26. 



Hab. Malay Isles. 



94. A. (Gym.) gaboonense, Hk. ; rhizome firm, wide-creeping ; st. of barren 

 fr. 4-6 in. 1., firm, erect, slightly scaly ; barren fr. 1 ft. 1., 3-4 in. br., narrow- 

 oblong, the apex sometimes proliferous, the edge subentire, the base narrowed 

 suddenly ; texture subcoriaceous ; surfaces naked ; main veins very distinct, 

 reaching nearly to the edge, with transverse veinlets, with copious intermediate 

 areolce with a few free veinlets ; fertile fr. 4-6 in. 1., |-1 in. br., narrowed at 

 both ends, the edge sinuated, the st. 1^-2 ft. l.Hk. Sp. 5. p. 270. 



Hab. Guinea Coast, Mann 1049 ; Angola (1,000-2,400 ft.), Welwitsch. Barren frond 

 very like that of the next, but the fertile one not Lomarioid. 



95. A. (Gym.) variabile, Hk. ; rhizome wide-creeping ; st. of barren fr. 0-6 in. 1.; 

 barren fr. 6-18 in. 1., l|-3 in. br., oblong-spathulate, with a very long gradually- 

 narrowed haft, the point blunt or acute, the edge entire ; texture papyraceo- 

 herbaceous ; surfaces naked ; main veins raised, zigzag, reaching nearly to the 

 edge, with copious fine areolce with free veinlets between them ; fertile fr. 6-12 

 in. 1., 2-3 lin. br., the st. often 1 ft. 1. Gym. decurrens, Hk. G. F. t. 6. (3, 

 laciniatum, Hk. ; barren fr. deeply irregularly pinnatifid ; fertile fr. pinnate, 

 with a few Lomarioid pinnae. Hk. Sp.5.p. 277. 



Hab. Himalayas (up to 3,000 ft.) to Ceylon and Java. 



3 a 



