. Bulletin de la Société linnéenne de Normandie. Natural history; Natural history. — 103 — 11. Arthonia ALBOVIHEJNS î\yl.—Thallus viiésceùs te- nuissimus uigricanti-Iimitatus ; apoihecia alba vel albo-pallida opaca convexiuscula adnata difTormia (latit. 0,5-0,9 millim.), inlus incoloria ; sporae 8nœ incolores fusiformi-oblongaî, cir- citer 9-15-seplalae, longit. 0,070-80 millim., crassit. 0,027- 32 millim, lodo gelatina hymenea cœrulescens ( ihecas vinose ru bénies). Lifn (Thiébaut), ad corticem arboruni. Obs — Variât apotheciis minoribus et thecis apice nudis (emersis). Âccedit versus A. unde
. Bulletin de la Société linnéenne de Normandie. Natural history; Natural history. — 103 — 11. Arthonia ALBOVIHEJNS î\yl.—Thallus viiésceùs te- nuissimus uigricanti-Iimitatus ; apoihecia alba vel albo-pallida opaca convexiuscula adnata difTormia (latit. 0,5-0,9 millim.), inlus incoloria ; sporae 8nœ incolores fusiformi-oblongaî, cir- citer 9-15-seplalae, longit. 0,070-80 millim., crassit. 0,027- 32 millim, lodo gelatina hymenea cœrulescens ( ihecas vinose ru bénies). Lifn (Thiébaut), ad corticem arboruni. Obs — Variât apotheciis minoribus et thecis apice nudis (emersis). Âccedit versus A. undenariam'Sy]. Nov. Granat., p. 68. t. II, f. .50, éd. 2 p. 102. 12. Arthonia subsimillima Nyl. — Sat similis priori, sed sporae {S^x incolores) ellipsoideœ murali-divisae, longit. 0,050-62 millim., crassit. 0,026-38 millim. lodo gelatina hymenea cœrulescens (thecae non tinctae). Lifu ( Thiébaut ), ad corticem arborum. 05s.— Apothecia a thecis apice denudatis demum punc- tafa. Accedit A. subsimillima prope ad A, alenrinam Nyl. N. Granat. 2, p 102, qua- vero jam differt thallo albo, apo- theciis non prominulis , sporis minoribus , etc. 13. Arthonia abnormis (Ach. L. U., p. 259 etc., sub Opegrapha) Nyl. in L. Nov. Gran., p. 69, éd. 2, p. 10^. — Thallus macula albida vel pallida determinata indicalus ; apothecia nigra (vel fusconigra) tenuia nebuloso-diiïormia vel subinterrupta (latit. 0,2-0,5 millim. vel minora); sporae 8nœ incolores oblongae seriebus 8-10 transversis IocuIosîe (loculis l-h in quavis série), longit. 0,017-23 millim., crassit. 0,008-0,011 millim., thalamium (lamina tenui vîâufn) nonnihil lutéo-rufescens vel sordidcscens. lodo ge- latina hymenea cœrulescens, dein obscure vinose Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Société linnéenn
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