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phaeospora Hepp, Flecht. Eur., 947 ; 1867.<br />
B.A.N.Z. ANTARCTIC RESEARCH EXPEDITION<br />
MYCOSPHAERELLACEAE.<br />
PITA~SPORA Hepp.<br />
Type : Microthelia rimosicola Mudd, Man. 13rit. Lich., 308 ; 1861.<br />
Perithecia developing under the cortex of the host, rupturing it and partly emersed at<br />
maturity ; wall thick, carbonaceous; periphyses abundant above the thecium ; awi fusiform,<br />
&pored; ascospores usually 4-celled, only slight1 y constricted at the septa, brown.<br />
PHA~SWRA GASPARRINIAE Dodge, sp. nov.<br />
Type : Macquarie Island, north end, B.A.N.Z.A.R.E. B540-16 on Gasparrinia macquariensis<br />
Dodge.<br />
Perithecia sphaerica, ca. 180~ diametro, nigra, juventute immersa, maturitate semi-emersa;<br />
murus ca. 35~ crassitudine, carbonaceus; ostiolum 15-18~ diametro; periphyses super thecium<br />
abundantes ; thecium 75~ altitudine ; paraphyses tenues, non ramosae, apicibus non incrassatae ;<br />
asci cylindrici dein anguste fusiformes; ascosporae octonae, brunneae, 4-loculares, pachydermeae,<br />
ad septa subconstrictae, ca. 22 X 5p.<br />
Mycelium not clearly distinguishable from that of the host. Perithecia spherical, about 180~ in diameter, black, immersed when young, becoming semi-emersed at maturity; wall about 35p<br />
thick, carbonaceous; ostiole 15-18~ in diameter; ,periphyses abundant above the thecium; thecium<br />
75p tall; paraphyses discrete, slender, unbranched, tips not thickened; asci cylindric, becoming<br />
narrowly fusiform as the spores mature, 8-spored ; about 65 X 9p ; ascosporesbrown, 4-celled, thickwalled,<br />
slightly constricted at the septa, about 22 X 5 ~.<br />
On thallus of Gasparrinia macquariensis Dodge.<br />
Macquarie Island, north end, B.A.N.Z.A.R.E. B540-16.<br />
Didymella Sacc., Michelia, 1,377 ; 1878.<br />
YLEOSPORACEAE.<br />
DIDYMELLA Sacc.<br />
Perithecia immersed, erumpent, nearly spherical, wall thin, black, smooth: asci cylindric to<br />
clavate, usually 8-spored ; ascospores ellipsoidal to fusiform, 2-celled, hyaline.<br />
DIDYMELLA CLAWXIAE Dodge, sp. nov.<br />
Type: Macquarie Island, north end, B.A.N.Z.A.R.E. B5404, on Cladonia Mawsoni Dodge.<br />
Perithecia semi-emersa vel subsessilia, nigra, 175~ diametro, murus obscure brunneus, 1 5 ~<br />
crassitudine, hyphis periclinalibus, ca. 2~ diametro; hypothecium lop crassitudine, hyphis tenuibus<br />
dense contextus; paraphyses persistentes, liberae, ramosae, ca. 2~ diametro, indistincte septatae;<br />
asci cylindrici, 70-75 x 7-BP cum stipite ca. lor, longitudine, pachydermei, apicibus<br />
incrassziti jnventute ; ascosporae octonae, uniseriales, ellipsoideae, hyalinae, pachydermeae, uniseptatae,<br />
10-11 x 4-5P.<br />
Perithecia semi-emersed to almost sessile, black, 175~ in diameter, wall dark brown, 15p thick,<br />
of periclinal hyphae about 2p in diameter; hypothecium lop thick, of closely woven, slender<br />
hyphae; paraphyses persistent, free, branched, about 2p in diameter, indistinctly septate; asci<br />
cylindrical, 70-75 X 7-8p, with a stipe about lop long, wall and tip thickened when young,
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