OS. ASPLEXIUM, §§§§§ DIPLAZIUJI. 235 



1^ in. br. ; texture herbaceous, both surfaces bright-green, nearly naked ; rnchis 

 slender, straw-coloured, nearly naked ; veins about on each side in the lower 

 lobes, with sori on each reachint^ two-thirds of the way to the edge, the lowest 

 ^ in. 1. ; mvol. broad, brown, tumid. — A. Schkuhrii, Ilk. ^Sp. 3.;:>. 251. — ft, Oldhami; 

 fr. smaller, lanceolate, 4-G in. 1., 2-3 in. br. ; rachis straw-coloured, polished, naked ; 

 phmce l-l| in. 1., blunt ; lobes blunt, only 3 veins on a side in each. — y,corcan7im ; 

 fi. the same size as in ft, but only the lower half pinnate, the rachis and stem 

 rather chaffy and villose. 



Hab. Japan, China, Formosa, Himalayas. — The Samoan and Fijian D. congruum, 

 Brack, t. 18, comes very near to this. In a specimeu from Mr. Powell, the substance is 

 very thin, the rachis naked, the lobes ^ in. deep, \ in. br., veinlets 5-6 on each side, most 

 of them again forked ; and a similar plant grows in the Sandwich Islands. 



227. A. (Dipl.) Thicaitesii, A. Br. ; rhizome wide-creeping ; st. 6 in. 1., slender, 

 green, densely clothed with strong white woolly hairs ; fr. 1 ft. 1,, 4 in. br., with 

 8-10 distant j^'ince beneath the pinnatifid apex, the largest 2 in. 1., § in. br., cut 

 down two-thirds of the way to the rachis in oblong crenulated lobes ^ in. deep, 

 2 lin. across ; rachis flaccid, villose like the stem ; texture herbaceous ; colour pale- 

 green, and both surfaces also villose ; veins 4 on each side in a lobe, simple ; sori 

 reaching halfway to the edge, the lowest about a line long. — Iil\ Sp. 3. p. 2.50. 

 2nd Cent. t. 45. 



Ilab. Ceylon. — Intermediate between the preceding and following. 



228. A. (Dipl.) lasiopteris, Mett. ; rhizome wide-creeping ; st. 6-9 in. 1., firm, 

 erect, dark-coloured, villose ;/;•. 15-18 in. 1., G-8 in. br., with 8-10 p2w?;a' on each 

 side below the pinnatifid apex, the largest 8-4 in. 1., 1-1:^ in. br., the lower lobes 

 cut down nearly or quite to the rachis, f-^ in. deep, § in. br., the point obtuse, the 

 edge distinctly crenate ; texture herbaceous, the dark-coloured rachis and dark- 

 green jOwif? villose on both sides; veinlets 5-6 on each side, simple; lower sori 

 i in. 1. — Diplazium, Kunzc, Linncea, vol. 17. p. 668. A. tomentosum, Mett. {non 

 Hk.). A. Peterseni, Kunze teste Kuhn, older name. 



Hab. Canton, Java, and the Neilgherries, well figured by Beddome, t. IGO. — This is 

 the D. decussatum of English gardens ; but our original specimen from Wallich is A. japo- 

 nicum. It comes near the two preceding, and the three are well marked by the character 

 of the rhizome. 



229. A. (Dipl.) speciosum, Mett. ; st. tufted, 1 ft. or more 1., firm, erect, straw- 

 coloured or brownish, nearly naked ; //'. 1-2 ft. 1., 8-12 in. br., with 10-20 pairs 

 oi pinnae below the pinnatifid apex, the lower ones often stalked, 4-6 in. 1., 1-1 j 

 in. br., the apex much acuminated, the edge lobed, the lobes reaching down two- 

 thirds of the way to the rachis or more, close, \ in. br., slightly toothed, the base 

 truncate or slightly cuneate ; texture herbaceous but firm ; rachis erect, naked ; 

 veins pinnate in the lobes ; sori slender, reaching nearly to the edge. — Diplazium, 

 Blume. A. acuminatum, Wall., Mett. {non H. & A."). 



Hab. Malayan Peninsula and Philippines, Java, Hong-Kong. — This is nearest A. sorzo- 

 gonense, but the lobes are broader and not so deep, more herbaceous in texture, and dis- 

 tinctly toothed. A plant from Fiji comes very near this, but the pinnae are fewer, thinner, 

 the lower ones distinctly stalked, and the lobes broader ; and one from Richmond River, 

 Australia, sent by Dr. Mueller, only differs by the lobes being rather broader and shallower. 

 A specimen of Blume's plant from Miquel quite agrees with Wallich's examples of 

 acuminatiaa. 



230. A. (Dipl.) Welwitschii, Hk. MSS. ; st. 1 ft. or more 1., firm, erect, straw- 

 coloured, naked ; fr. 18 in. 1., 9 in. br., the lower pinna; 6-7 in. 1., 1-1^ in. br., 

 the point acuminate, the edge slightly lobed above, cut down in the lower part 

 half or two-thirds of the way to the rachis ; the lobes not quite contiguous, § in. br., 

 nearly entire, the base sessile, truncate ; texture herbaceous ; veins distantly pin- 



