Trypethelium virens Tuck.

Herbarium of The University of Michigan
Trypethelium virens Michen.
Determined by Richard C. Harris 7941
Kryptogamae exsiccatae.
1022. Trypethelium
Tack, apud Darlingt;, FI. Cestric., ed. 2a (1853), p. 458, Gen. Lich. (1872), p. 260
et Synops. North Americ. Lich., vol. II (1888), p. i3g; NyL, Expos, synopt. Pyrenocarp.
(1858), p. 77 et in Ann. scienc. nat., Bòtan., ser. 4% vol. XX (i863), p. 259 notul.	. * 5
Thallus endophloeodes, extus maculis magnis, laevigatis, cinerascenti- vel partim
lutescenti-olivaceis, opacis indicatus, ad margines plerumque paullum expallente,
KHO—, CaCl202—, thalli pars endophleodes infra series plures cellularum pelluci-
darurn peridermii substrati sita, homoeomerica, usque 80 p crassa, ex gonidiis chroo-
lepoideis (cellulis oblongis, usque 18 fi longis) et ex hyphis tenuibus, parum amylaceis,
compositis. Stromatibus dispersis vel etiam confluentibus, planiusculis, basi non con-
strictis, in arabitu irregulariier rotundatis vel oblongis, thallo parum pallidioribus, e
thallo et cellulis substrati formatis, intus albis vel albidis, KHO—, 2—26 carpicis;
peritheciis rotundatis vel ovalibus, 350^—370^ altis, excipulo tenui, fuligineo, ostiolis
non prominulis, minutis; nucleo paliiéo, J lutescente; paraphysibus strictis, puichre
reticulatim-ramosis, tenuibus, ad 1*5/1 latis, gelatinam percurrentibus; ascis oblongo-
cuneatis, apice rotundatis, rectis vel parum curvatis, 100—120 [i longis et 17—20 (.1
latis, membrana tenui undique cinctis; sporis in ascis subbiserialiter dispositis, decolo-
ri bus, dblongo-fusiformibus vel dactyloideo-oblongis, rectis vel levissime curvatis, api-
cibus rotundatis vel subacutatis, 8 locularibus (loculis angulato-subrotundatis vel .sub- ! f
lentifprmibus), 32^50^ longis et 8~io|U latis, membrana tenui cinctis.	-
America borealis (United States) : ad corticem Carpini carolinianae prope Sayre 1 / "%%
in Pennsylvania	leg. W. G. Barbour.NeW YORK
Botanical
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