49 
2. Scales of the axils ovate, consisting of isodiametrical cells. Lamina not ciliate. 
314. D. excelsa (Desv.) C. Chr. 
— Scales of the axils lanceolate consisting of rectangular cells. Lamina ciliate. 3 
3. Lamina finely downy throughout; scales few. (The species referred to the group 
of D. subincisa). 342. D. adenopteris n. sp. 
— Lamina not downy; scales many. 4 
4. Lamina as a rule yellowish when dried; basal scales bright brown; surfaces 
generally densely glandular. Pinnules acuminate, ultimate lobes ae or slightly 
falcate. Indusia very fugacious, pale, hyaline. 313. D. am la (H. B. W.) O. Ktze 
— Lamina brown when dried; basal scales reddish brown; surfaces ‘slightly glan- 
dular or not. Pinnules shortly acute or obtuse, ultimate lobes generally distinctly 
faleate, close. Indusia subpersistent, reddish. 317. D. nemophila (Kze.) C. Chr 
5. Lamina throughout densely glandular. 6 
— Lamina slightly glandular or not. 315. D. equestris es) C. Chr, 
6. Indusia subpersistent, reddish. 316. D. palatangana (Hoo 
— Indusia very fugacious  _ 313. D, ampla var. peter (Christ) 
313. Dryopteris ampla (H. B. Willd.) O. Ktze. Rev. Gen. Pl. 2: 812. 1891; C. _ Che. 
ing. 251. -- Fig. 9 
Syn. Polypodium amplum Humb. & Bonpl.; Willa. sp. 5: 207. 1810. 
Aspidium amplum Mett. Aspid. 74 nr, 176. 1858 (excl. var.); Lowe, Ferns 2 tab. 52. 
Nephrodium amplum Bak. Syn. 285, 1857; Jenman, Bull. Dept. Jam. n. s. 3: 
113. 1896; W. Ind. and Guiana Ferns 221. 
Polypodium Sloanei Poeppig; Spr. Syst. 4: 59. 1827; Kze. Linnaea 9: 51. 1834! 
(Sloane, Jam. t. 57 f. 3). 
Polypodium lachnopodium J. Sm. Bot. Mag. 72: Comp. 8. 1846! 
_Polypodium paleaceum Hook. fil. Trans. Linn. Soc. 20: 166. 1847; Andexsson, 
Vet. Akad. Handl. 1853: 126, 1855!; Hook. sp. 4: 261. 
Tepetieris. furcata C. Chr. Ind. 267 (the var.); A. Stewart, Proceed. Californian 
Acad. Sci. IV. 1: 18. 1911. 
Aspidium culcita Christ, Bull. L’Herb. Boiss. II. 6: 54. 1906! 
Dryopteris culcita C. Chr. Ind. Suppl. 31. 1913. 
Polypodium prasinum Christ, Bull. Soc. bot. Belg. 35: 217. 1896 (not Baker). 
Type from Venezuela, leg. Humpoitpt (Herb. Willd. nr. 19722, B!). 
Here I follow Metrenivs in identifying Pol. Sloanei Poep. with P. amplum Willd, 
although I have some doubt of that being right. The type-specimen of P. amplum 
consists of 2 pairs of pinne from the middle of a frond, and it is true that in 
most characters it agrees very well with pinne of similar size of P. Sloanei, which is 
represented by several sheets from the type-collection in B and RB, and which 
perfectly matches several other specimens from different countries, but in some other 
Selsk. Skr., naturvidensk. og mathem. Afd. 8. Reekke, VI 1. : 7 
