CATALOGUE OE EEKNS. 
15 
forming a uniserial indusium. Sporangia medial, base of the 
pedicels concrete, forming thickened receptacles. Sori round, 
confluent. 
1. S. Germanica, Willd. Onoclea Struthiopteris, Sw. ; Schk. 
Fil. t . 105 ; Hook. Gen. Fit. t. 69. — Germany. 
2, S.Femisylvanica, Willd. — North America. 
22. LEFTOGEAMME, J. Sm. 
(Gymnogrammitidis sp., Link ; Fee. Grammitidis sp., Fresl.) 
Vernation fasciculate, erect or decumbent. Fronds bipinna- 
tifid, 1-3 feet high. Veins of lacinise pinnate ; venules free. 
Sporangiferous receptacles medial, elongated. Sori oblong or 
linear. Sporangia in some species pilose. 
1. la. totta, J. Sm. Gen. Fil. Polypodium tottum, Willd. Gym- 
nogramme totta, ScUecht. ; Bl. FI. Jav. t. 38. Grammitis 
totta, Brest. Gymnogramme Lowei, Hook, et Grev. Ic . 
Fil. t. 89. — South Africa and Madeira. 
2. Ii. asplenioides, J. Sm. Gymnogramme asplenioides, Sic.; 
Haulf '. Gymnogramme aspidioides, Kaulf. Ceterach 
aspidioides, Willd. ; Fadd. Fil. Bras. t. 21. /. 1. Phe- 
gopteris aspidioides, Metten. Fil. Hort. Leip. t. 17. f. 1. — 
Tropical America. 
3. la. Idnkiana, J. Sm. Gymnogramme Linkiana, K unze ; Fee . 
Grammitis Linkiana, Fresh— Brazil. 
4. la. rupestris, J. Sm. Gymnogramme rupestris, Kunze. 
Phegopteris rupestris, Metten.— Tropical America. 
5. la. graeiie, J. Sm. Gymnogramme gracilis, Hew. in Mag. 
Nat. Hist. (1838). Grammitis Hewardii, T. Moore. Lep- 
togramme attenuata, J. Sm. Bn. Fil. Hort. Kew. (1856). 
— Jamaica. 
6. la. villosa, J. Sm. Gymnogramme villosa, Link. — Tropical 
America. 
23. PHEGOPTERIS, Fee; J. Sm. 
(Polypodii sp., Auct. Polypodium § Phegopteris, Fresh) 
Vernation uniserial and sarmentose, or fasciculate and erect or 
