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162
fescenlibus, sporis fere ut apud Arthonias, paraphysibus
nullis, tbecio iodo lutescenle, Ënd. pallidum ex noslra
sententia sislens peritljeciis fungilli parasitæ infestaturn.
Similiter End. rufesccns (in Collectione D:ni Lenormand,
fovens vidi peritbecia Sphæriæ llookeri (Terr. Llookeri Borr.
Leight., Dacampia Mass., Verr. peripherien Tay]. Leight.).
Fructificalionem Endocarpi excludunt hæ parasitæ,
quan-tum vidimus.
9. Lecanora purpurascens n. sp. Thallus
atro-casta-neus diffracto-rimosus, arnbitu lobato, apothecia purpura—
scentia; asci polyspori, sporis sphæricis diam. 0,007—8
mm., paraphyses articulata?, thecium valde gelatinosum
låte superne purpurascens (iodo coerulescens), spermatia
bacillana. — Prope Mirval ad calcem speciem bane
in-signem invenimus, obiter visarn subsimilem Lecideæ
nigro-cæsice. — Passim thallus quoque inferne purpurascit.
Ad-dito Kali causlico hic color evanescit.
10. Verrucaria cæsia n. sp. Thallus cæsius
le-prosus, perithecia integra nucleum album cingentia; sporæ
oblongo-ovoideæ uniseptatæ (septo interdum deficiente)
longit. 0,023—50, lat. 0,009 mm., paraphyses tenues
bre-ves ramosa?. Mucilago bymenea iodo non coloratur. —
Ad calcem prope Mirval. — Asci juniores cylindrici
pa-riete crassissimo (0,009 mm.) insignes.
11. Arthonia calcicola n. sp. Thallus tenuissimus
obsoletus, gonidiis inter particulas superficiei saxi
inter-mixlis, apothecia superficialia eæsiopruinosa, epithecio
de-nudato atro; thecium lamina tenui visum pallide flavidum,
iodo addito e Aiolaceo obscure fuscum, sporæ ovoideæ
sæpe tenuiter uniseptatæ long. 0,015—11, lat. 0,005 —
0,0045. — Ad calcem prope Mirval. Species
distinctis-sima et cum nulla alia comparanda. Thecium loco [-]>ara-physium-] {+]>ara-
physium+} texlura confusa generis. — Ad Parasios aliam
speciem saxicolam (/1. ruderalis nobis) sed valde diversam
deteximus.
12. Lecanora oligospora n. sp. Similis Lecanora
cervinw, thallus areolatus opacus fusco-brunneus; sporæ
8næ in thecis, ellipsoideæ, long. 0,016, lat. 0,009—8. Hæc
species certe arcte affinis L. cervince exemplum exhibet,
quomodo divisiones genericæ solis rationibus sporarum
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