424 
99. PILICES. 
incise-serrate with a narrmo attachment inferior lowermost often 
largest, stipe with ovate acute 1-coloured (pale) scales. — Height 
3 — 4 ft. ; fi-onds nearly erect. Upper pinnules narrowed and 
decurrent below. Indusium witliout marginal glands. — a. ; 
pinuffi triangular-oblong lowermost pair not smaller, pinnules 
with a stalklike attachment lowermost nearly equal, stipe witli 
ovate acute scales. Aspidimn Sm., E. B. 2125. N. 20;3. — /3. Z. 
reniota (MooreJ ; frond narrowly lanceolate, pinnaj triangular- 
lanceolate lowermost pair slightly smaller than the second, 
pinnules rather acute with a narrow attachment lowermost 
neai'ly equal, stipe with ovate-acute lianceolate and subidate 
scales. — These plants and the forms of L. cridata are not satis- 
factorily determined. I am imperfectly acquainted with some 
of them. — Marshv places and wet woods. /3. Windermere. P. 
VIII. IX. ~ E. S. I. 
7. L. dilatiUa (Presl) ; frond triangular-lanceolate or -ovate 
bipinnate, lower pinnae unequally triangular lowest pair not 
shorter than the second, pinnules oblong with a narrow attach- 
ment pinnatifid or pinnate inferior ones largest, segments spi- 
nose-serrate, stipe clothed with long pointed soaks ivith a dark 
centre and diaphanotis margin. — Aspidium Sm. L. midtijlora N. 
215. — Caudex usually erect. Fronds 2—4 ft. high, arched, 
often drooping, convex, more or less clothed with stalked glands 
when young; on young or starved plants often triangular, on 
older and perfect ones never. Indusium with marginal gland.s. 
The largest scales of the full-grown plant shoidd be examined. 
— The L. collina (Xewm.) has a triangular-ovate prolonged 
frond and ovate blunt bluntly mucronate-serrate pinnides. iV. 
223. — The L. glandulosa (Newm.) has a broad lanceolate fi'ond 
covered with stalked glands beneath and the scales on the stipe 
are often nearly without the dark centre. Dcak. Fl. Brit. f. I()12. 
—Woods, banks, &c. P. VIII. IX. E. S. I. 
8. L. (V.'mida (Brack.); frond triangvdar or triangular-oval e 
bipinnate, lower pinnas unequally triangular lowest pau- longest, 
pinnules prolonged-triangular with a narrow attaclinient piima- 
tifid or pinnfite inferior lower ones largest, segments spinose- 
serrate, stipe clothed toith long narrmo laciniate 1-coloured scales. 
— Nephrodium foenisecii Loiue ! L. recurva N. 225. — Frond 1—2 
feet long; the lower pinnae much the largest. Pinmdes and 
seg7)ients concave above. \ smaller plant than the two preceding. 
Sweet-scented. — Rocky shady places. P. VIII. IX. E. S. L 
5. Polys'tichum Eoth. 
1. P. Lcmchttis (Roth) ; frmids rigid linear pinnate, pinnae 
not lobed serrate spinous their base auricled above oblique below. 
— N. 1G3. Aspidium Sm., F.B. 797. — Stipe veiy short. Frond.s 
