48. POLYPODIUM, § EUrnEGOPTERIS. 309 



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

 P. Dianae, Hk. Sjx 4. p. 234. 



Hab. St. Helena. 



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

 slightly scaly ; fr. 2-3 ft. 1., 12-15 in. br. ; pinnce 6-9 in. 1., 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 hevhsLceous ; rachis more or less scaly ; both 

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

 midrib.— //>{■. Sp. 4. ;a 241. 



Hab. Cuba to Brazil. 



SO. P. (Pheg.) bisenale. Baker ; st. 1-2 ft. 1., slightly scaly ; fr. 2-3 ft. 1., 

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

 rachis below into distinct oblong-lanceolate pirinl. 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. ; r^?>OTwe wide-creeping ; st. 12-18 in. 

 1., slender, stramineous, naked, glossy ; /;•. 8-12 in. 1., nearly as broad, deltoid ; 

 low ^.Y pinncB 4-6 in. 1., the lowest pair deflexed, often 2 in. br., the pintil. reaching 

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

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

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



Hab. Canada, southward to Florida. — General habit of P. Phegoplens. 



32. P. (Pheg.) Hasseltii, Blume ; st. 9 in. 1., slightly scaly ; /;•. 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 ; raclns 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. 1., 9-12 in. br., subdeltoid ; lower pijince 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, 8-4 on a side ; sori medial. —Hk. Sp. 4. p. 257. 



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

 from Fernando Po, is evidently the same. 



34. P. (Pheg.) Dryopteris, L. ; rhizome slender, wide-creeping ; //•. 6-12 in. I., 

 slender, stramineous, naked upwards, slightly scaly below ; /;•, 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. Robcrtianum, 

 HofFm. ; rhizotne 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 ; 

 Anaerica — Greenland and Sitka to the Rocky Mountains and Northern United States. 



