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APPENDIX. 201
Puccinia Prunorum, Lk. Plum-tree Erand ; spots obliterated
; sori liypogenous, subrotund scattered, epidermis obliterated;
spores brown, peduncles very short.—On the leaves of
Plum-trees. September and October. Very common.
Puccinia Fabse, Lk. Bean Brand ; spots none ;
sori subrotund,
or elongated, surrounded by the ruptured epidermis ; spores
at —
length black, ovato-globose ; peduncle slencfer. On Beans.
August and September. Not uncommon.
Puccinia Buxi, DC. Box Brand ; spots none ;
sori subrotund,
convex, scattered ; spores brown, oblong, rather strongly
—
constricted, lower cell slightly attenuated ; peduncle very long.
On both surfaces of Box-leaves. April and May. Not uncommon.
Gymnosporangium, DC.
Peduncles extremely long, agglutinated by gelatine into a tremelloid
expanded mass. Spores uniseptate.
Gymnosporangium Juniper i, Lk. ; forming a soft gelatinous,
irregular, orange mass ; spores ovate or subelliptic, filled
with subglobose granules.
— On living twigs of Juniperus communis.
PODISOMA, Lk.
Peduncles extremely long, agglutinated by gelatine into a common
stem, spreading out — above into a clavaricpform mass;
spores mostly uniseptate. Berk. Outl., p. 331.
Podisoma Juniperi, Pr. ; orange, clavariaeform, somewhat
branched ;
stroma — simple ; spores very long, lanceolate, filled with
eUiptic granules. On living branches of Juniperus communis* Not
common.
Podisoma foliieolum, B.; epiphyllous, brown-black masses,
subglobose, subelliptic, or in-egular, consisting of radiating,
crowded^ very slender, agglutinated filaments, each bearing an
elliptic or clavate, very obtuse spore, 3- to 5-septate.—On living
leaves of Juniperus communis. Bare.
Podisoma Sabinge, Pr. ; red-brown, tuberculiform and
clavate, simple ;
stroma obliterated ; spores obovate, uniseptate.
— On living branches ot\/2^;«jo(?r«5/S'«6///