418 60. ACROSTICHUM, **** f GYMNOPTER1S. 



B. Barren fronds sometimes simple, but one or two pairs of distinct pinnce when 

 fully developed. Sp. 96-100. 



96. A.(Grym.}oligarchicum, Baker ; rhizome woody, short-creeping ; st. of barren 

 fr. 6-8 in. 1., firm, scaly ; barren fr. 8-12 in. 1., 3-6 in. br., broad-oblong, the 

 edge nearly entire, the base subcuneate, simple or with a single pair of small 

 spreading oblong pinnae at the base ; texture herbaceous ; main veins j-f in. 

 apart, raised beneath, distinct to the edge, with abundant areolce with free 

 yeinlets between them ; fertile fr. simple, 3-4 in. 1., 1 in. br., or ternate, the st. 

 6-12 in. 1. 



Hab. North Peru, Spruce 4737, 4636. Most like A. panduriforme, but the veining 

 different. 



97. A. (Gym.) quercifolium, Retz. ; rhizome stout, wide-creeping ; st. of barren 

 fr. 1-2 in. L, clothed with soft spreading ferruginous hairs ; barren fr. 3-4 in. 1., 

 l-f-2 in. br., the terminal pinna with blunt rounded lobes, reaching sometimes 



of the way to the rachis ; below this usually a single pair of small sessile ovate 

 lunt auriculate lateral ones ; texture thin-herbaceous ; veins beneath hairy ; 

 main veins distinct to the edge, with copious areolce with free veinlets between 

 them ; fertile fr. with a terminal pinna 1-2 in. L, 1 lin. br., and a pair of 

 smaller lateral ones, the st. slender, 6-9 in. 1., naked except at the base. Hk. Sp. 

 5. p. 279. Ic. t. 905. Fil. Ex. t. 80. 



Hab. Peninsular India, Ceylon, South China, Cochin-China, 



98. A. (Gym.) Harlandii, Hk. ; caud. woody ; st. 1-1| ft. 1., firm, glossy, 

 chesnut-brown, scaly at the base ; barren fr. simple or with an oblong-spathu- 

 late entire terminal pinna, sometimes 1 ft. L, 3 in. br., nd 1-2 smaller similar 

 ones on each side, usually connected at the base, all acuminate ; texture coria- 

 ceous ; main veins distinct, connected by transverse veinlets with copious areolse 

 with free included veinlets between them ; fertile fr. similar, but the pinnae 

 much smaller. Hk. Sp. 5. p. 274. G. decurrens, Hk. Fil. Ex. t. 94. (not 

 G. F. t. 6). 



Hab. Hong-Kong and Formosa. 



99. A. (Gym.) tacccefolium, Hk. ; caud. woody, with copious dark reddish- 

 brown linear scales ; st. of barren fr. 1-4 in. L, scaly downwards ; barren fr. 

 varying from simple oblong-lanceolate, entire, 1 ft. or more L, 2-3 in. br., to 

 1^-2 ft. 1., more than 1 ft. br., copiously pinnate, with oblong-lanceolate pinnce 

 6-9 in. 1., 1| in. br., the upper ones narrowly decurrent, the lower ones forked 

 at the base on the under side ; texture papyraceous ; rachis and surfaces naked ; 

 main veins distinct nearly to the edge, with regular transverse veinlets and 

 copious fine areolee with abundant free veinlets between them ; fertile fr. simple, 

 6-12 in. L, A in. br., or pinnate, with forked linear pinnae. Hk. Sp. 5. p. 279. 

 Ic. t. 907. 



Hab. Philippines. Though so variable in cutting, the forms coincide in texture and 

 venation. The simple form is L. hilocarpus, Fde, and the 3-lobed form Gymn. trilobata, 

 J. Sm. 



100. A. (Gym.) flagettiferum, Wall. ; rhizome woody, creeping, scaly ; st. of 

 barren fr. 6-12 in. 1., nearly naked, the latter simple or with 1-3 pairs of pinnce, the 

 terminal one ovate-lanceolate, entire or repand, and often very much elongated 

 and rooting at the point, the lateral ones 3-6 in. 1., 1-2 in. br., sometimes also 

 prolonged ; texture herbaceous ; rachis and both sides naked ; main veins 

 pinnate, with copious areolce between them, with few or no free veinlets ; fertile 

 pinnce 2-3 in. 1., about \ in. br. Hk. Sp. 5. p. 258. Hk. fy Gr. t. 23. A. hete- 

 roclitum, Presl. 



Hab. Himalayas to Java and the Philippines. 



