POLTPODICM. 
421 
* * Veinlets not knobbed but reaching the edge, all vsuaUy fertile, 
clusters near the end of each. Rhizome with fronds at its 
end. Gymxocarpium Xewnn. 
2. P.? Phegop'teris (L.) ; fronds pinnate, pinnae linear-lanceo- 
late united at the base pinnatifid with linear-oblong blunt lobes, 
lotccgt pair of pinnte turned doimicards and forwards the rest 
upwards, clusters marginal.- — £. li. 2224:. iV! 115. — llhizome 
nearly black, wiiy, slightly scaly, a-eephig extensively. Fronds 
triangular. Pinn?e very acute, pointing upwards, rather hair}-, 
connected by their whole width with the rachis ; lowest pair 
quite distinct, with a minute stalk, standing foi-wards and point- 
ing from the others. — Roth (Fl. Germ. iii. 73) foimd sin evanes- 
cent indiisium, which no other person Jippears -to have seen. — 
Damp places, lovin? the spray of waterfalls. P. VJI. — IX. 
E. S. I. 
3. P. ? Dnjop'teris (L.) ; fronds ternate glabrous, divisions pin- 
nate, pinnte pinnatifid blimt uppermost nearly entire, clusters 
marginal. — £. JB. 616. N^. 123. — Rhizome blact, vriry, creeping, 
slightly scaly. Stipe slender, brittle. The three divisions of 
the frond locsely spreading, the middle one rather the largest. 
Very yoimg fronds resembling 3 little balh on 7cires. Not at all 
glandular.— -Shady mountainous places. P. VI. YII. E. S. I. 
4. P. ? Pobertidnum (Hoffhi.) ; fronds triangular snbtemate 
glandidar-meahj, lower branches pinnate, pinnje pinnatifid blunt 
uppermost nearly entire, clusters marginal. — P. calcareum Sm., 
E. B. 1525. N. 131. — More erect and rigid than the preceding, 
always covered with verj- minute stalked glanJj giving a mealy 
character to the surface. Frond scarcely 3-fid, the lower 
branches being much smaller in proportion to the middle one ; 
all the 3 erect, idgid. — On broken limestone ground. P. \Jl. 
vni. E. 
*•* Veitdets not knobbed, scarcelg reaching the edge, simple or 
branched, each bearing a cluster beloic its oul or that of its 
anterior branch. Purely there is an oblique curved fake in- 
dusium. PsEUDATHTHiUM Newm. 
5. P. alpes'tre (Hoppe) ; fronds lanceolate bipinnate, pintue 
narraic-lanceolate tcith a broad base contiguous, pinnides widest 
at their base acute pinnatifid with semate lobes and branched 
veinlets.— & 49.— Fronds suberect, 1—3 ft. high. Much lOce 
Athyr. FilU-fcemina. — High moimtain valleys. P. \T1. \IL1. S. 
6. P. Jlex'ile (INloore) ; fronds linear-lanceolate bipinnate, 
pinna ovate-lanceohde distant, pinmdes narrow at their base ob- 
ovate bluntish sen-ate and with unbranched veinlets. — X. ed. 3. 
203. — Stipe short. Fronds much less divided, narrow, elbowed, 
