S P H Æ E IA C E I .
ovato-globose ; sporidia fusiform, straight, unequally two-celled.
— Tul. Carp. H.p. 67, t. ix. Berh. exs. no. 91. FcU. exs. no. 1005.
Fr. S.M. ii. p. 550. Fng. Fl. v. p. 285. Fries exs. no. 100. FcU.
Sym. Myc.p. 223. Sph. ribesia, Pers. Syn.p. 14. Along, exs. no.
275. Nees.f. 312. Stromatosphceria ribesia, Grev. Fl. F d .p . 357.
On dry branches of red currant and gooseberry. Common.
[Mid. Carolina.]
Sporidia -016--022 m.m. long, '0065 m.m. broad.—TaZ. (Fig. 384.]
2 4 2 5 . D o th id e a lo sæ . Fr. “ Eose Dothidea.”
Snbrotund, erumpenti-innate ; stroma pale brown ; perithecia
g l o b o s e , somewhat immersed, stuffed with white jelly ; sporidia
crowded, colourless, broadly almond-shaped.—Ur. S. V.S.p. 386.
Fchl. Sym. Myc.p. 223. Berk. exs. no. 32. Fckl. exs.no. 1008.
Cookeexs.no. 235. S p h . Dothidea, Fr. S.M. H. p. 424. Eng.Fl.
V. 255. Fries exs. no. 308. Moug. exs. no. 971. Curr. Finn.
Trans.xxH. ¿.49,/. 190.
On living rose stems.
Forming irregular tubercles covered with epidermis which is cracked
with irregular flexuous fissures. Spondia ( 00U7- 0009 in.) 01/- 02 m.m.
2 4 2 6 . D o th id e a striæ fo im iB . Fr. “ Linear Dothidea.”
Covered with the innate blackened epidermis, at length bursting
in the midst, lanceolate, short, acute; perithecia in rows,mouth-
less ; sporidia?—Ur. N.F.N.p. 386. Sph. striæformis, Fr. S.M.
ii. p. 428. Fries, exs. no. 195. Eng. Fl. v .p . 256.
On dead herbaceous stems.
2 4 2 7 . D o th id e a filic in a . Fr. “ Bracken Dothidea.’’
S p e rm o g o n ia . - Elongated, irregular, even, black, marked
when perfect with an elevated longitudinal rib, at length separating
entirely at the base ; spennatia ?—Leptostroma fihcinum,
Fr. Obs. H p .121. Eng. Fl. v.p. 221. Moug.exs.no. 416. Cooke
exs. no. 334. Sphceriapteridis. Sow. t. 3 9 4 ,/. 10.
A sc o ph o b b .— Subinnate, parallel, confluent, shining, black,
erumpent by parallel tissures ; stroma black ; cells connate, senate
; asci cylindrical ; sporidia elliptical, constricted, uniseptate,
hyaline.—Ur. N.F.N. p. 386. Cookeexs. no. 244. Sphæriaflicina,
Fr. S.AI. H.p. 427. Eng. Fl. v. p. 255. Berk. exs. no. 33. Fries,
exs. no. 48. Schm. exs. no. 202. Cooke Fern Book,p. 21,/. 8-10.
Bhopographusflicinus, FcU, Sym. Myc.p. 219.
On stems of Pteris aquilina. Common.
According io Fuckel (Sym. Myc. t. v i . / 31) the sporidia are triseptate, with
a short hyaline appendage at either end.
Sect. 3. Lichenicola.
2 4 2 8 . D o th id e a P i g g o t i i . B. & Br. “ Lichen Dothidea.”
Orbicular, innate, surface papillate with the tips of the cells^ ;
asci short, clavate ; sporidia biseriate, obovate or cymbiform triseptate.—
®. & Br. Ann. N .II. no. 660. Sphæria homostegia,
Nyl. Flor. (1857), jo. 688. Homostegiaadusta, Fckl. Sym. Myc.p.
224. Fckl. exs. no. 953.
On Parmelia saxatilis. Aug. Wales.
Forming little patches about a line broad ciompletely adnate with the
thallus ; surface opaque, black, papillate with the protruding tips of the
semi-immersed cells, whose walls are black, but separatad from each other
by pellucid vertical cells running down below into hyaline subhexagonal cells
with thick walls. Asci short, broad, subclavate; spondia brown, biseriate,
obovate, cymbiform, slightly curved, triseptate, very rarely quadriseptate.—
B & Br
Dr Lauder Lindsay has found a Dothidea somewhat resembling this externally,
but much smaller, on a Parmelia. The fruit was immature the
short asci being filled with granules. The patches were about one-third the
size of those iu D. Piggotii.
* C. Valsei.
Stroma determinate, verrucæform. Perithecia im-
mersed in stroma
Perithecia circinating, ending in a disc
Perithecia circinating.
often oozing out
Gen. 3 4 9 .
Conidia in a black mass.
D IA T R Y P E , Fr.
Diatrype,
Valsa,
Melanconis,
stroma determinate, verruciform;
perithecia immersed in the stroma ;
sporidia hyaline, or coloured.—Fr.
Berk. Outl.p. 387. {Fig. 385.)
Section 1.
Asci many-
spored
Diatrygella.
Section 2.
Asci eight-
spored
D iatrype genuina.
Fig. 385.