AN ENUMERATION OP CULTIVATED PERNS. 
255 
31. T. rigidum, Sw. ; Hedw. Fil. cum Ic. T. obscurum, 
Blume. — Tropics. 
32. T. fceniculaceum, Bory. T. meifolium, Kaulf. En. Fil. 
t. 2 {non Bory). — Mauritius and Bourbon. 
33. T. meifolium, Bory. T. Bauerianum, Endl.— East Indies, 
Bourbon, Malayan, Philippine and Pacific Islands 
Norfolk Island. 
34. T. elongatum, A. Cunn. ; Hook Ic. PI. t. 701. — New 
Zealand. 
35. T. setigerum, Backhouse, Cat. (1861); Gard. Chron. 
(1862). — Borneo. 
36. T. saxatile, Moore, in Gard. Chron. (1862). T. rupestre. 
Backhouse, Cat. (1861). — Borneo. 
37. T. tricophyllum, Moore, in Gard. Chron. (1862).— 
Borneo. 
139. PEEA, Bory. 
Vernation fasciculate, 
erect. Fronds of two 
forms, 2-6 inches high; 
the sterile pinnatifid or 
sub-pinnate ; the fertile 
contracted, rachiform, 
stipate, longer than the 
sterile. Veins simple or 
forked ; venules free. 
Sori terminal, free, pedi- 
cellate, in a row along 
both sides of the rachis.* 
Indusium tubular, caly- 
ciform. Receptacle fili- 
form, continued beyond 
the sporangia and mouth 
of the mdusium. 
Genus 139.— Barren and fertile frond, natural 
size. No. l. 
* Not one-sided as shown in figure. 
