) 



48. POLYPODIUM, EI T FHEGOPTEIUS. 309 



villose all over ; veinlets forked ; sori small, copious, distant from the midrib. 

 P. Diana:, Hk. Sp. 4. p. 234. 



Hab. St. Helena. 



29. P. (Pheg.) caudatum, Kaulf. ; st. 12-18 in. 1., firm, angular, brownish, 

 slightly scaly ; jr. 2-3 ft. 1., 12-15 in. br. ; pinnae 6-9 in. L, 1-2 in. br., cut down 

 to a distinctly-winged rachis into oblong falcate distinctly-toothed lobes 2-3 lin. 

 br., lower ones not reduced ; texture herbaceous ; rachis more or less scaly ; both 

 surfaces naked ; veinlets simple, 1 to each tooth, 6-8 on a side ; son near the 

 midrib. Hk. Sp. 4. p< 241. 



Hab. Cuba to Brazil. 



30. P. (Pheg.) biseriale, Baker ; st. 1-2 ft. L, slightly scaly ; fr. 2-3 ft. L, 

 1 ft. or more br. ; lower pinnce the largest, 6-8 in. L, 2-3 in..br., cut down to the 

 rachis below into distinct oblong-lanceolate pinnl. 1-2 in. 1., with the veinlets 

 pinnate in the lower lobes; texture herbaceous; rachises villose and slightly 

 scaly ; lower side nearly naked ; sori in pairs on the lower lobes. 



Hab. Andes of Peru and Ecuador, Spruce, 4656. 



**** fronds small or middle-sided, tri- or quadripinnatifid. Sp. 31-43. 



31. P. (Pheg.) hexagonopterum, Michx. ; rhizome wide-creeping ; st. 12-18 in. 

 L, slender, stramineous, naked, glossy ; fr. 8-12 in. L, nearly as broad, deltoid ; 

 lower pinnce 4-6 in. 1., the lowest pair deflexed, often 2 in. br., the pinnl. reaching 

 down nearly to the rachis, those of the lower side 1-1^ in. 1., pinnatifid halfway 

 down, with broad blunt lobes ; texture thinly herbaceous ; under side slightly 

 villose ; veinlets pinnate in the lobes ; sori marginal. Hk. tip. 4. p. 245. 



Hab. Canada, southward to Florida. General habit of P. Phegoptens. 



32. P. (Pheg.) Hasseltii, Blume ; st. 9 in. 1., slightly scaly ; fr. about 1 ft. 

 each way, deltoid, quadripinnatifid ; lowest pinnce 6 in. 1., 3-5 in. br. ; pinnl. 

 stalked, ovate, the lowest much the largest, with ovate-oblong obtuse lobes, the 

 lower ones deeply pinnatifid ; texture coriaceous ; rachis and both sides naked ; 

 veins pinnate in the lobes ; sori medial. Hk. Sp. 4. p. 257- 



Hab. Java. 



33. P. (Pheg.) rufescens, Blume; rhizome short-creeping; st. 12-18 in. 1., 

 firm, erect, naked ; fr. 12-18 in. L, 9-12 in. br., subdeltoid ; lower pinnce much 

 the largest, deltoid, 6-8 in. 1., 3-4 in. br. ; pinnl. lanceolate, unequal-sided, 

 bluntly lobed, the lowest nearly down to the rachis ; texture subcoriaceous ; 

 rachis and both sides naked or slightly pubescent ; veinlets pinnate in the lower 

 lobes, 3-4 on a side ; sori medial. Hk. Sp. 4. p. 257. 



Hab. Java, Ceylon, New Caledonia, Queensland. P. Earterianum, Hk. Sp. 4. p. 254, 

 from Fernando Po, is evidently the same. 



34. P. (Pheg.) Dryopteris, L. ; rhizome slender, wide-creeping ; fr. 6-12 in. ]., 

 slender, stramineous, naked upwards, slightly scaly below ; fr. 6-10 in. each 

 way, deltoid ; lower pinnce much the largest ; pinnl. lanceolate, only the lowest 

 free, oblong, slightly crenate ; texture thinly herbaceous ; rachis and both sides 

 glabrous ; sori submarginal. Hk. Sp. 4. p. 250. B. F. t. 4. /3, P. Robertianum, 

 Hoffm. ; rhizome thicker, the whole plant more rigid and finely glandular. 

 B. F. t. 5. 



Hab. Lapland to the Pyrenees, N. Italy, N. India (5-8,000 ft.), Manchuria, Japan ; 

 America Greenland and Sitka to the Kocky Mountains and Northern United States. 



