TOEULACEI,
1 4 3 0 . Bactzidium atrovizens. D. •“ Blaok-green Bactrídium.”
g r .!L K I /“ Æ " “ â . “ f*“ '-
On stumps. Winter. Apethorpe.
Oen. 13 3 , HELICOSPORIUM, Nees.
P a ra sitic a l; spores filiform,
articulated, spirally
involute.—Berk. Outl.pp.
326. Evg. F I . y . p p .335.
{Fig. 189.)
1 4 3 1 . H e lic o sp o z ium v e g e tum . Nees. “ Oak Helicosporinm.”
Flocci blaclc; distant, subulate, spores pale greenish, spiral
septate, pellucid.—A««s. / . 69. Berlc. Ann. N .H . no. 229. K l
exs.no. 1433. Cvrda. S tu rm .t.16.
On decayed oak brancbes, &o. Eockingbam Forest.
(Fig. 189.)
1 4 3 2 . H e lic o sp o z ium p u lv in a tum . Fr. ‘ Pulvinate Helicosporium.”
Threads cæspitoso-pnlvinate, very slender, branched, septate
at their apices; spores yellow green.—Fr. S .M .iii.p . 354. Eng.
Fl. Y. p. 335. Helicotriehum pulvinatum. Nees.f. 15.
var. /3. e ffu sum . Effused, very tbin, spores wbitisb.__
Berk. Eng. F l. Y . p . 335.
On old cbips, &c.
Forming a very thin black stratum, following the inequalities of the wood •
flocoi branched; branches patent, articulated; articulations about as long ai
broad ; apices pointed, pellucid, terminated by tbe minute closely involute
extremely fugacious spores, which consist of about three volutions, and a!
many articulations, voltoions at first so close that the spores appear globose
and their true nature might easily be overlooked.—A) / B
TOEULACEI.
Gen. 1 5 4 . BISPO RA , Corda.
Flocci tomiparous, moniliform, composed
of didymous spores.—Berlc. Outl.
p . 326. {Fig. 190.)
1 4 3 3 . B isp o za m o n ilio id e s . Cd.
“ Beaded Bispora.”
Flocci aggregate; spores oval, obtuse
barrel-shaped.— Corda, Icon. i. f . 143
F r e s .t.6 ,f . 46-54. Torula anfennata
Pers. M .E . i.p. 21. Berk .e xs.no. 215
Eng. F I .y .p. 359. Monilia antennata
Fig. 190.
Grev.t.255. Fchl. exs. no. 7 4. Coohe exs. no. 346.
On old stumps. Common. [Mid. Carolina.]
Forming intense black velvety patches on the cut surface of stumps, chips
(Fig. 190.)
Gen. 1 5 5 .
SE P TO N EM A , Corda.
Flocci tomiparous, moniliform, composed
of multiseptate spores.—Berh.
Outl.p. 327. {Fig. 191.)
Fig. 191.
1 4 3 4 . S ep to n em a sp ilom e um . “ Point-like Septonema.”
Sori small, punctiform; threads branched; articulations oblong-
elliptic, rather rough, triseptate.—Berh. Hooh. Journ. 1845, ÍY.p.
3 1 0 ,1.12, f . 5. B . 4 Br. Ann. N .H . no. 466.
On old fence rails. Guernsey. [Ü. Carolina, Ohio.]
Forming little scattered sori about the size of a poppy seed ; threads
branched, articulations oblongo-elliptie, triseptate, one or more of the septa
occasionally containing an oil globule, border of articulations pellucid, rough
with little scabrous prominences. Very distinot in the punctiform habit,
and in the nature of the articulations.—M. J. B. (Fig. 191.)
1 4 3 5 . S ep to n em a iz z eg u la z e . B .& B r . “ Irregular Septonema.”
Effused, tbin black, irregular; spores oblong.—B. 4 B r.A n n .
N .H . no. 9 4 2 ,1.1 5,/. 13.
On living apple twigs. Apethorpe.