SPECIES AND VARIETIES OF BRITISH FERNS. 57 
3. P. angulare, Presl. —Fronds bipinnate, lax, pinnules 
oblong or ovate-subfalcate, auricled, bluntish or acute, 
obtusely angled at the base, stalked. Plate V. fig. 2. 
mr. subtripinnatum.—Fronds ample; lower pinnules 
large, and again pinnate, otherwise normal. 
mr. proliferam. — Fronds bearing bulbils; pinnules 
narrow, acute, deeply pinnatifid, with distant atte¬ 
nuate lobes. 
mr. imbricatum.—Fronds very narrow ; pinnules ob¬ 
long-obtuse, overlapping. 
mr. alatum.—Fronds normal in outline; pinnules con¬ 
nected by a broad wing of the rachis, which obliter¬ 
ates the stalk. 
mr. cristatum.—Fronds and pinnae tasselled at their 
extremities. 
Genus 5. LAST REA, Presl. 
1. L. Thelypteris, Pr^.- -Fronds pinnate, not glandular; 
sori submarginal, on more or less contracted fronds ; 
caudex creeping. Plate VI. fig. 1. 
2. L. montana, Moore. — Fronds pinnate, covered with 
sessile glands ; caudex tufted. Plate VII. 
