| .. 984 CHARACTERS OF TRIBES AND GENERA. 
Group 3.—Phegopteris vera.  Vernation uniserial, sarmentose, 
epigeous or hypogeous. i 
P. Dryopteris (Linn.) (v v.); P. Robertiana (Hoffm ) 
(v v.) (Polypodium calcareum, Sm.); P. vulgaris (Mett.) 
(v v.) (Polypodium Phegopteris, Linn.) ; P. aurita (J. Sm.) 
(v v.) (Gymnogramma, Hook.) ; P. hexagonoptera (Michz.) 
(v v.); P. aquilina (Thouars); P. pteroidea (Klot.); P. 
Keraudrenianum (Gaud.) 
Oss.—In the “Synopsis Filicum,” P. divergens, P. effusa, 
P. lachnopodium, P. amplum, and others, are placed in the 
indusiate genus Nephrodium. Although these have been 
under my observation for a number of years in a living 
state, and I have watched them carefully, I never found 
the least trace of indusia; therefore, if indusiate specimens 
are found in the herbarium, probably they represent dis- - 
tinct species, and allied to the multifid fronded species of | 
Lastrea, 
124.—HryrorrrIs, Bernh. (1806). 
Hook. Sp. Fil. (in part). 
Vernation uniserial, sarmentose. Fronds, 1 to 6 feet 
high, bi-tripinnate, smooth, pilo-glandulose or aculeate. 
Veins forked or pinnate, venules free, the lower exterior 
branch sporangiferous. Receptacles terminal, punctiform, 
Sori marginal, seated on the axis of an inflexed induseform 
crenule. 
Type. Hypolepis tenuifolia, Bernh. S 
Illust. Hook. and Bauer. Gen. Fil, t. 67 B.; Moore. ` 
Ind. Fil., p. 27 A.; J. Sm. Ferns Brit. and For., fig. 
85 ; Hook. Syn. Fil., t. 2, fig. 24. 
Oss.—The species included in this genus are Ferns with 
generally large decompound, multifid fronds, rising from à ` ` 
