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Endophloece.
Sphæzia v e la t a . Pers. “ Veiled Sphæria."
Broadly effused, thin ; perithecia scattered, immersed, covered
with a black membranaceous crnst ; ostiola erumpent ; sporidia
crowded, colourless, narrowly almond shaped, endochrome 2-4
partite.—Fr. S .A I.H .p .315. Fries, exs.no. 225. Fng. F I . y . p.
246. Sow. t. 312 f . 10. Curr. Linn. Trans, xxii. t. 45,/. 104. FcM.
exs. no. 958. Diaporthe velata, Nke. Pyr. Germ. i.p. 281. Rabh.
F .F . no. 1143.
On lime twigs. [Mid. Carolina.]
Surrounding the branches, and growing in the inner hark, perforating the
epidermis with the ostiola and at length throwing it off ; perithecia minute,
erect, ovato-globose, sometimes solitary, sometimes irregularly aggregate,
scarcely disposed in circles, by no means stipate, nestling iu the bark itself,
covered with a thin patchy stroma, which is tuberoulated with the perithecia j
ostiola erumpent, irregular, opaque.—iiVies.
Sporidia (’0005 in.) ‘0127 m.m.
2 6 3 9 , Sphæzia c ilia z is . Ourr. “ Thread-hearing Fphæria.”
Concealed ; perithecia small, subglobose, bearing threads of
Helminthosporium on their surface ; sporidia biseriate, colourless,
narrow, pointed at the extremities, quadrinueleate.—Curr. Micro.
Journ. YÜ.p. 232,1.11,/. 15.
On ash branches. Oct. Weybridge.
Covering the branches with perithecia, which are concealed (with the exception
of the ostiola) beneath the cuticle, and many parts of them rough
with the erect threads of Hdminikosporium. Sporidia sometimes’ almost
almond-shaped, sometimes strongly constricted in the middle, always (or
almost always) with four nuclei, from (’0005-'0009 iu.) ‘ül25-'022 m.m. long.
2 6 4 0 . Sphæzia c e la ta , Curr. “ Concealed Sphæria.”
Perithecia round; solitary, or in small groups, mostly concealed
; ostiolum short, somewhat flat, rather gaping ; sporidia
biseriate, dark rich brown, oblong, constricted in the middle.—
Curr. M S S . Berk. Outl.p. 398. Sp. obtecta,Curr. Micr. Journ. vii.
p. 233, t. xi.fig. 16. B. & Br. Ann. N .H. no. 979, t. 11, f . 32.
On wych elm.
Sporidia ('0012-'0015 in.) '03-'035 m.m. long.
Completely concealed by the cntiele ; perithecia subglobose, scarcely becoming
free from_ the matrix, walls thick, je t black, gelatine white. Asoi
clavate. Sporidia biseriate, in an early stage biconical, pointed at either
end', endochrome proportionally small, when old shorter, biconical, obtuse,
dark brown, the outer coat being entirely absorbed.
2 6 4 1 . Sphæzia x y lo s te i. Pers. “ Woodbine Sphæria.”
M a c e o s t y l o s p o e e s— Oblong, qvate, constricted, brown, 3-5
septate, muriform.
P y c n i d i a .—Stylospores didymous, oblong, dark brown.—
Diplodia Loniceroe, Fckl. exs. no. 1951.
A s c o p h o b b .—Gregarious, staining black ; perithecia covered,
emergent, entire, globose ; ostiola slightly prominent, seated on
a black spot, at length pierced ; sporidia dark brown, bordered,
elliptical.—Fr. S.M.H. p. 481. Fries, exs.no.180. Fng. F I.y. p.
270. Curr. Linn. Trans, xxii. t. 58,/. 84. S. semi-immersa, Grev.
Fl. F d .p . 361. Didymosphoeria xylostei, FcM. Sym. Myc.p. 141.
Fckl.exs.no. 914. Amphisphceria xylostei, De Not. Sfer. Ital.no.
74.
On woodbine.
Sporidia (•0006-'0007 in.) •015-‘0175 m.m. long.
2 6 4 2 . Sphæz ia de cedens. Fr. “ Immersed hazel Sphæria.”
Gregarious; perithecia globose, immersed, black, neck straight;
ostiola erumpent, lacerating the epidermis.—Fries, exs. no. 81.
Berh. Mag. Zool. & Bot. no. 24. N e e s .f 340. Fr. S.M. ii.jj. 481.
On hazel.
Perithecia sometimes solitary, sometimes crowded, immersed iu the inner
bark, attenuated into a short neck.—jPWei.
2 6 4 3 . Sphæzia d is cu tien s . B erk. “ Sunken Elm Sphæria.”
Broadly effused ; perithecia sunk in the inner bark, at length
throwing off the epidermis by means of their long, cylindrical,
rather scabrous ostiola, covered with a dull black stroma ; sporidia
biseriate or crowded, 1-3 septate, colourless, almond-shaped.
—Fng. Fl. v. p. 245. Curr. Linn. Trans, xxii. t. 41, f . 112.
On elm branches.
Perithecia deeply buried. Ostiola long and protruding. Sporidia ('0005
iu.) '0 1 2 7 m.m. long.
2 6 4 4 . Sphæ z ia fz a x in ic o la . Curr. “ Concealed Ash
Sphæria.”
Perithecia sub-lageniform ; ostiolum pointed or nipple-like,
base sometimes adnate, piercing the bark; sporidia uniseriate,
elliptical, biseptate, colourless.—Curr. Linn. Trans, xxiv. t. 25,
f 64. B. &. Br. Ann. N.H. no. 1098.
On dead ash branches. Sept. Near Lewes.