14 
** Phymatodes, J. Sm. 
Fronds simple, pinnatifid or pinnate ; venation immersed. Sori round, 
sometimes oblong, or (hy confluence) linear, often immersed and forming 
tubercles on the superior side of the frond, transversely wniserval or 
rarely irregularly biserial, destitute of scales. 
2. D. iteophylla, J. Sm.; Link. 
Has. Brazil. Received in 1841 from the Royal Botanic Garden of 
Berlin. 
3. D. vulgaris, J. Sm. Polypodium phymatodes, Linn.; Sw.; Schk. Crypt. 
t.8 d.t.9. Jacq. Ic. Rar. t. 637. 
Has. Mauritius, East Indian and Malayan Islands. Received from the 
Royal Botanic Garden of Berlin in 1835. 
4. D. longipes, J. Sm.; Link. 
Has. East Indies. Cultivated in 1823. 
Oxs. The lengthened stipes and large sori distinguish this: 
species from the preceding, and although it maintains its character 
under cultivation, still it may be considered as one of the many 
forms assumed by D. vulgaris. 
5. D. Billardieri, J. Sm.; R. Br. Polypodium scandens, Lalill. Nov. Holl. 
t. 240. 
Has. New Holland, Van Diemen’s Land and New Zealand. Introduced 
in 1824 by Mr. A. Cunningham. 
Oss. Difficult to be described by words as distinct from D. 
vulgare, but in cultivation having its own peculiar aspect. 
6. D. pustulata, J. Sm.; Forst.; Schk. Crypt. t.10. Polypodium scandens, 
Forst.; Schk. Crypt. t. 8. Polypodium cespitosum, Link. ex Hort. 
Loddiges.’ 
Has. New Zealand. Introduced by Mr. A. Cunningham in 1826. 
Oss. In cultivation this species has hitherto been observed to 
produce a dense, caspitose mass of simple, slightly undulated, 
sterile fronds only, and it was not till lately that I observed it 
producing pinnatifid fronds, which, on viewing both forms, I 
at once recognized to be the same as my specimen of Polypo- 
dium pustulatum from New Zealand. ; 
7. D. leiorhiza, J. Sm.; Wall. P. cuspidatum, D. Don, HV. Nep. 
Has. Nepal. Received in 1844 from John Christie, Esq. 
8. D. capitellata, J. Sm.; Wall. P.juglandifolium, D. Don, FU. Nep. 
Has. East Indies. Introduced in 1843 by Dr. Wallich. 
*** Phyllitidis, J. Sm. 
Fronds simple, entire, Uinear-lanceolate or rarely sinuate or cordate, vena- 
tion elevated, rarely immersed. Sori rownd, oblong, or (by confluence) 
linear, superficial, obliquely uniserial or biserial, rarely numerous and 
irregular. 
