48. POLYPODIUM, PHYMATODES. 359 



331. P. (Phym.) rhynchophyttum, Hk. ; rhizome firm, wide-creeping, with 

 copious fibrillose bright-ferruginous scales ; fr. dimorphous, the barren ones 

 ovate, 1-1 in. 1., with stems about the same length, fertile ones 3-6 in. 1., 

 ^-f in. br., narrowed very gradually upwards, the edge obscurely toothed, the 

 stem 2-4 in. 1. ; texture coriaceous ; both sides naked ; main veins distinct to the 

 edge, with copious fine areolse between them with free included veinlets ; 

 uniserial, confined to the upper half of the fertile fronds. Hk. Sp. 5. p. 65. 

 2nd Cent. t. 55. 



Hab. N. India (up to 4,000 ft.), and Moulmein (7,000 ft.). 



332. P. (Phym.) Griffithianum, Hk. ; rhizome wide-creeping, the scales dense, 

 linear, squarrose, dull-brown ; st. distant, 3-6 in. 1., firm, erect ; fr. 6-8 in. 1., 

 1^-2 in. br., the point acute, the edge repand, the base rounded or rather 

 narrowed or auricled ; texture coriaceous ; main veins very distinct to the edge ; 

 areolce fine, hidden, with copious free veinlets ; sori large, 1 between each main 

 vein in a row near the midrib. Hk. Sp. 5. p. 62. 2nd Cent. t. 51. 



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



333. P. (Phym.) Melleri, Baker ; st. slender, naked, 1 in. or more 1. ; fr. 

 2-3 in. 1., ^ in. br., lanceolate, narrowed gradually from near the base to the 

 point, the edge thickened, repand and wavy, the base rounded ; texture sub- 

 coriaceous ; surfaces naked ; main veins wavy, distinct to the edge, with copious 

 fine areolse with free veinlets between them, and one sorus between each midway 

 between the edge and midrib. 



Hab. Madagascar, Dr. Meller. 



334. P. (Phym.) triquetrum, Bl. ; rhizome stout, woody, the scales dense, 

 ovate, blunt, 1 lin. br., almost scariose ; st. distant, 4-8 in. 1., firm, erect ; barren 

 fr. 6-9 in. 1., 2-3 in. br., the apex acuminate, the edge entire, the fertile one 

 rather longer and narrower ; texture very coriaceous ; both sides naked ; main 

 veins very distinct to the edge, the areolee hidden ; sori in two close rows between 

 the main veins, 5-8 between the midrib and edge, not immersed. Hk. Sp. 5. 

 p. 63. 



Hab. Java. 



335. P. (Phym.) rupestre, Blume (not R. Br.) ; rhizome woody, the scales 

 squarrose, dull-brown, linear-acuminate ; st. 4-8 in. 1., firm, erect ; fr. 4-8 in. 1., 

 1-1^ in. br., the apex acuminate, the edge entire or obscurely repand ; texture 

 very coriaceous ; both sides naked ; main veins very distinct, the areolse hidden ; 

 sori in two rows between the main veins, 6-8 between the midrib and edge, not 

 immersed. P. saxatile, Mett. Hk. Sp. 5. p. 64. 



Hab. Java and Philippines. Very near the preceding. 



336. P. (Phym.) ovatum, Wall. ; rhizome wide-creeping, woody, the scales 

 lanceolate, dull-brown, deciduous ; st. 4-8 in. 1., firm, erect, slightly scaly 

 below ; fr. 6-12 in. 1., 2-3 in. br., the point acute, the edge entire, the lower part 

 narrowed rather suddenly ; texture firm-herbaceous ; both sides naked ; main 

 veins distinct to the edge, with copious fine areolse with free included veinlets in 

 the interspaces ; sori large, varying from irregularly 1 to 3 serial. Hk. Sp. 5. 

 p. 64. Hk. $ Gr. p. 41. 



Hab. Khasia, Sikhim, and Bhootan, up to 7,000 ft. 



337. P. (Phym.) platyphj/llum, Sw. ; rhizome woody, the scales dense, long, 

 subulate, nearly black ; * st. 3-4 in. 1., strong, erect ; fr. 12-18 in. 1., 2-4 in. br., 

 the point acute, the edge entire ; texture very thick and rigid ; both sides naked ; 



