49. JAMESONIA. 3G9 



386. P. (Phym.) Lehmanni, Mett. ; rhizome woody, wide-creeping, the scales 

 ong, rigid, fibrillose, yellowish-brown ; St. 6-9 in. 1., firm, erect, naked ; fr. 



1-2 ft. 1., 8-10 in. hr. ; pinnce in distant pairs, 4-6 in. 1., ^j in. ir., the apex 

 acuminate, the edge entire or slightly repand, the base rounded ; texture sub- 

 coriaceous ; rachis and both sides naked ; main veins distinct to the edge, with two 

 rows of sori 3-4 deep between them. — Mett. Polyp, p. 117. 



Hab. Burmah and Darjeeling, Qi'iffilh. 



387. P. (Phym.) Mmalayense, Hk. ; rhizome woody, wide-creeping, the scales 

 linear, squarrose, bright-brown ; St. 1 ft. or more 1., firm, glossy ; fr. 1-2 ft.L, 

 8-12 in. br., the pinnie in pairs 1-2 in. apart, 4-8 in. 1., lf-2 in. br., the point 

 acuminate, the edge scariose, wavy, the base rounded or even cordate ; t&ctwre 

 subcoriaceous ; under «fflr/ace finely pubescent"; main mns very distinct ; areolce 

 fine, close, with copious free veinlets ; sori in 1-2 rows of 3-4 each between the 

 main veins. — Hk. Sp. 5. p. 91. P. venustum. Wall. 



Hab. N. India, up to 7,500 ft. — Mettenius nnitea this with P. jiiglandifoliwii, but the 

 piling are much broader, with prominent veins and a distinct scariose wavy edge. 



388. P. (Phym.) leiorhizon, Wall. ; rhizome very thick, clothed with ovate 

 adpressed peltate scales ; St. 1-2 ft. 1., firm, erect ; fr. 2-4 ft. 1., 1-2 ft. br. ; 

 pinncB narrowed at the base, the lower ones stalked, 6-12 in. 1., j-1^ in. br., the 

 apex acuminate, the edge entire ; texture subcoriaceous, surfaces naked ; a/reoUe 

 fine, uniform, with copious free veinlets ; sori slightly immersed, in a row near 

 the midrib on each side.^^,^. Sp. 6. p. 91. Fit. Ex. t. 25. 



Hab. N. India, up to 5-7,000 ft. 



389. P. (Phym.) alho-squamatum, Blume ; rhizome woody, the scales long 

 (sometimes 1 in. 1.), dense, fibrillose, dark-brown ; St. 6-12 in. 1., firm, erect, 

 glossy ; fr. sometimes simple, usually pinnate, 1-2 ft. 1., 1 ft. or more br., with 

 several distant erecto-patent pinnce on each side, which are 6-10 in. 1., ^J in. 

 hr., the apex much acuminated, the edge slightly repand towards the point, the 

 base narrowed, the lower ones stalked ; texture subcoriaceous ; upper surface 

 with smaE white dots at the edge or all over ; main veins usually indistinct ; 

 sori in a single row midway between the midrib and edge. — Hi:. Sp. 5. p. 92. 

 G. F. t. 47. 



Hab. Malay Isles and Philippines. — P. varians, Blmne, is a form with narrow pinnae 

 and more distinct main veins. 



Tribe 12. Grammitidej!.' 



Sori on the bach of the lobes, more than twice as long as broad, usually linear. 

 Gen. 49-59. 



Gen. 49. Jamesonia, Hk. <& Gr. (See page 514.) 



Sori oblong, placed on the flabellate veins on the back of the pinnae remote 

 from the edge. A single Andine species, placed by Mettenius in Gymnogramme. 

 Tab. 6. /. 49. 



1. J. imbricceta, H. & G. ; rhizome woody, creeping, black, tortuose ; st. wiry, 

 ebeneous, slender, 3-4 in. 1. ; fr. 6-18 in. 1., 2-3 lin. br., simply pinnate ; pinnce 

 close, roundish, often spreading horizontally, the edge much incurved ; texture 

 coriaceous ; rachis and under surface slightly villose. — Ic. t. 178. — /3, J. canescens, 

 Kze., habit stouter, the long, silky, yellowish-brown hairs of the upper part of 

 the frond often so dense that they quite hide the pinnse. — y, J. verticalis, Kze. ; 

 St. 1 ft. 1., rigid, wiry ; fr. 6-9 in. 1., | in. br. ; pinnce oblong-deltoid, 3 lin. ]., 



3 a 



