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Order X I I I . M E L A N O O N IE I.
Peritbecram obsolete or altogether wanting.
Spores oozing out in a black mass.
Simple . _ ..................................................... Melanconium.
Endochrome d i v i d e d ................................................Stegonosporium.
S e p t a t e ..................................................................... Stilbospora.
Septate and stellate . . . . . . . Asterosporium.
Spores pedunculate.
Septate, not c r e s t e d ............................................Conjnmm.
Septate, c r e s t e d .................................................... Pestalozzia.
Simple, collected in t u f t s ...................................Cheirospora.
Spores oozing out in tendrils.
Coloured.
Of two k i n d s .................................................... Nemaspora.
Of one k i n d ........................................................Myxosporium.
Hyaline.
Of one k i n d .................................................... Qlmosporium.
Gen. 1 4 0 . M ELANCON IUM , Link.
Spores simple, oozing out in a dark
mass.—Berh. Outl. p. 323. Eng. Fl. v.
p. 357. (Fig. 178.;
Not autonomous.
Eig. 178.
1 3 8 5 . M e la n c o n ium b ic o lo z . Nees. “ Two-coloured Melanoonium.”
Stroma elevated, prominent, white ; spores compact, subglobose,
olive, or olive brown.—Nees. t. 2, f . 27. Berh. Mag.
Zool. 4 Dot. no. 81. Goohe exs. no. 849. Fr. S.M. Hi. p . 488. B.
/ Br. Ann. N .H . no. 250. Didymosporium elevatum. Fr. S.M.
iii.)». 486. Melanconium spliwroideum. E n g .F l. r. p .8 5 8 . Didy.
hetulinum. G r e v .t.218. Kze. exs.no. 157. Gorda. i . f . 33-34.
Fchl. exs. no. 84. Bisch.f. 3835.
On bircb. [United States,]
(Pig. 178.)
1 3 8 6 . M e la n c o n ium m a g n um . Berk. “ Large Melanconium.”
Spores oval or sub-ovate, not septate.—Berh. Outl. p. 324.
Stilbospora magna. Eng. F l. v. p . 357. Nemaspora carpinea.
Baxt. ex s.no.16. Nemaspora magna. Grev.t. 849. Saw. t. 376.
Gorda. iii./. 58. Fchl. exs. no. 81. Pringsh. Jahrb. ii. t. 28, f . 19.
On walnut and hornbeam, [Up. Carolina.]
Sometimes covering the whole trunk, the spores oozing out in long tendrils.
1 3 8 7 . M e la n c o n ium spheezospezmum. Lk . “ Round-spored
Melanconium.”
Stroma none ; spores erumpent, scarcely compact, globose,
pellucid, blackish.—Fr. S.M. iii. p. 489. Berh. Ann. N .H . no 251.
Babh. F .E . No. 179. Fchl. exs. no. 86. Bot. Zeit. 1859,1.11,/. 5.
Stilbospora sphwrosperma. Pers. Obs. t. l , f . 6. Kze. exs. no. 102.
On reeds. Tansor, Norths. [United States.]
Gen. 1 4 1 . STEGONOSFOB.ZUM, Corda.
Spores unilocular, the endochrome
transversely septate, or
cellulose, oozing out in a black
mass.—JBerh. Outl.p. 324.
(Fig. 179.;
Not autonomous.
Fig. 179.
1 3 8 8 . S teg on o sp o z ium c e llu lo sum . Corda. “ Cellular
Stegonosporium. ”
Pustules effused, black ; spores sub-pyriform, longitudinally
cellulose and transversely septate.— OorJa. Ic. iii./. 62. Kl. exs.
ii. no. 148. Fres. 1.1 ,f. 53-57. Gurr. M icr. Journ. iv. t. 1 1 ,/ 10-
25.
On dead brancbes.
See Valsa vestita, of which this is a secondary fruit. (Fig. 179.)
Gen. 1 4 2 . STILBOSPORA, Pers.
Spores septate, oozing out in a
black mass.—Berh. Outl. p . 324.
E n g .F l.y .p . 356. ( D / 180.)
Scarcely autonomous.