32 
CATALOGUE OE EEENS. 
3. P. hasfcata, Link ; Fee. Pteris hastata, Sw. Allosorus has- 
tatus, Presl ; Hook. Gen. Fil. t. 5. — South Africa. 
4. P. atropurpurea, Link ; Fee. Pteris atropurpurea, Linn. ; 
ScJik. Fil. t. 99. — North America. 
5. P. Galomelanos, Link; Fee. Pteris Calomelanos, Sw.; 
SchlecJit. Adurnb. t. 29. Allosorus Calomelanos, Presl ; 
Hook, in Pot. Mag. t. 4769. — South Africa. 
6. P. ternifolia, Link ; Fee. Pteris ternifolia, Cav.; Hook, et 
Grev. Ic. Fil. t. 126.— Tropical America. 
7. P. ie^uosa, Link ; Fee. Pteris flexuosa, Kaulf.; Hook. 
Ic. PI. t. 119. Allosorus flexuosus, Kunze , Fil. t. 23 ; 
Hook, in Pot. Mag. t. 4762. — Tropical America. 
8. P. cordata, J. Sin ., non Fee. Pteris cordata, Cav. Allosorus 
cordatus, Presl ; Hook, in Pot. Mag. t. 4698. — Tropical 
America. 
50. PLATYLOMA, J. Sm. (in part). 
(Allosori sp., Presl. Pellsese sp., Fee. Adianti sp., R. Pr. 
Pteridis sp., Auct.) 
Vernation uniserial, sarmentum sub-hypogseous. Fronds pin- 
nate, 1-2 feet high ; pinnae entire, opaque. Veins forked ; venules 
free. Sporangiferous receptacles terminal, oblong, contiguous, 
forming a broad, compound, continuous, marginal sorus. Indu- 
sium linear, continuous, narrow, subobsolete. 
1. P. JBrownii, J. Sm. Adiantum paradoxum, R. Pr. Pellaea 
cordata, Fee ( non J. Sm.). — Australia. 
2. P. falcata, J. Sm. ; Hook. Gen. Fil. t. 115 A ( excl . name 
P. Brownii). Pteris falcata, R. Pr. Pteris seticaulis, 
Hook. Ic. PI. t. 207. — East Indies, Australia. 
3. P. rotraxdifolia, J. Sm. Pteris rotundifolia, Forst. ; Schk. 
Fil. t. 99 ; Hook. Ic. PI. t. 422. — New Zealand. 
61. ADIA1TUI1, Linn. 
Vernation distant, sarmentose or subfasciculate, decumbent and 
