62 On the Lichen-Flora of Epping Forest,
P. pulverulenta, Schreb. — On an old tree between the
Reindeer and King's Oak. Fertile (Hb. E. F.). On the road
from Epping Station to Epping. Fertile (J. M. C). The
trees in this latter locality have since been felled.
Var. pityrea, Ach. — On a tree opposite the King's Oak,
High Beach. Sterile (Hb. E. F.). Also beyond the King's
Oak. Sterile (J. M. C). Now extinct in these localities.
Sub-sp. P. tenella, Scop. — On trees at Walthamstow.
Fertile (Hb. E. P.). Near Epping. Sterile (J. M. C.). I have
not recently seen this subspecies.
P. aipolia, Ach. — On dead branches of a willow-tree in
the garden, Walthamstow. Fertile (Hb. E. F.). Probably
also in old orchards elsewhere, though I have not observed it.
P. caesia, Hoffm. — On tiles, Walthamstow. Sterile (Hb.
E. F.). I have nowhere seen this species, which apparently
is now extinct.
P. astroidea, Clem. — On the Forest, near King's Oak.
Sterile (Hb. E. F.). I also formerly gathered it in the game
place, but have not anywhere seen it recently.
P. ulothrix, var. virella, Ach.—On trees in the Forest near
Hale End. Fertile (Hb. E. F.). I have nowhere observed
this variety.
P. adglutinata, Flk. — On an apple-tree in garden, Hoe
Street, Walthamstow. Sterile (Hb. E. F. s. n. Parmelia
elaeina). I have formerly gathered it also at High Beach.
Tribe—Lecanorei.
Pannaria nebulosa, Hoffm. — On Epping Forest (E. F.),
vide the 'Botanists' Guide,' and also Forster's MS. notes, s.n.
Lichen pezizoides. There is no specimen in Hb. E. F., and,
if ever gathered there, it is now extinct.
Lecanora aurantiaca, Lightf. — On on ash at Nasing Long
Green, Walthamstow (Hb. E. F. s. n. Lichen salicinus). High
Beach, and near the British Camp [Loughton ?] (J. M. C).
L. ferruginea, Huds.—On a tree in the Forest beyond the
"King's Oak," High Beach (Hb. E. F.). I have not observed
this species.
L. luteo-alba, Turn.—On an ash-tree near Hale End (Hb.