300 TAKEDA—ASIATIC POLYPODIUMS. 
33. P. ebenipes, Hooker.* 
The pinnatifid frond of this species often resembles the 
foregoing. The present plant can be distinguished from P. 
oxylobum and others, above all, by the patent, regularly arranged 
pinnae, the margin of which is serrate with low teeth, and by the 
very black, shiny ramenta on the rhizome. 
I have seen the following specimens from Chin 
Yunnan: Maokon tschang (Delavay, Oct. 1883). Tibet : 
Yatung (Hobson, 1897). 
34. P. Faberi, Christ. 
Unfortunately, the writer has not been able to see the original 
specimen of this species. It is doubtless one of this group, and 
may possibly be either P. oxylobum or P.c cyrtolobum. However, the 
description being inadequate, it cannot be decided satisfactorily. 
35. P. hastatum, Thunberg. 
An extraordinarily polymorphic species, to nearly each form 
of which one or two names have been given by various 
herbarium botanists. Fronds may be either elliptical, a few cm. 
in length, very obtuse, or longer, lanceolate, and acute or 
acuminate, or more or less ovate, or much elongated, linear 
lanceolate, and entire or repand, or ternatifid, subtrifid, or 
even pedate, but néver pinnatifid. The first-mentioned, ex- 
tremely dwarf form has been called P. hastatum forma pyg- 
maeum, Maxim.t or P. Matthewii, Tutcher.§ Little larger 
forms have been named P. hastatum varr. nikoense,|| simplex,{] and 
albopunctatum, Chr.** P. arenarium, Bak.t} is a form witha long 
simple frond, found in China, and P. Melleri, Bak.tt is a name 
given to a similar form gathered in Madagascar. Diels has been 
inclined to distinguish a ternatifid form with a stipe longer 
than the frond as P. dolichopodum,§§ but this is nothing but the 
normal form of P. hastatum, Thunb. The form with the pedate 
fronds has been described by Christ as P. chenopus and P. 
daciylinum.|||| A monstrous form with an inciso-laciniate frond 
has been called P. hastatum var. incisum, Mak. The majority of 
these different forms are, however, not fixed, and two or three 
different forms are often found on the same rhizome, so that in 
* Sp. Fil. v, p. 88 (1863). + Bull. Soc. France, Mém. i, p. 17 (1905). 
¢ Fl. As. Or. Fragm. P. 73 (1879). aoenins Linn. Soc. xxxvii, p. 68 (1905). 
ull, Acad. Intern. Geogr. Bot. xvi, P. 105 (1906). 
** Ibid. xvii, p. 137 (1907). tt Kew Bull. 1895, 
Pp- 56. » 
tt Syn. Fil. p. 359 (1868). §§ Engl. Bot. Jahrb. xxix, p. 205 (1 
ll] Bull. Soc. Bot. Fr. Mém. i, p. 20 (1905). Sette ates 
17 agin - Mag. xxiv, p. 30 (1910). 
