PO A 
and 
" Campbell’s Islands. | CRYPTOGAMIA ANTARCTICA. 59 
hooth, 
Fries says of this plant, or rather of what have been referred to it, “ Farrago specierum minimarum ” and un- 
der it two very different species are given in the * Scleromycetes Suecicee,” (no. 38). Of one of these, both a larger 
and smaller form occur; the other is identical with what has been published as a small state of Spheria complanata. 
I have given, at nos. 267 and 288, of my * British Fungi’ (Fasc. 4th), the same plant, in two different stages of 
growth, as Sp. herbarum and Sp. complanata; these are intended to illustrate the views of Fries, and with no idea 
that either would prove identical with amy of the larger or normal species, which are well distinguished by their 
sporidia. These, in the true S. herbarum, are oblong, with several longitudinal and transverse dissepiments, like 
hrough | what are seen in Spheria Laburni, in the specimens before me from Auckland Island and in the larger English 
abit is | form. The plant published in my ‘Fasciculi’ is destitute of asci, which is the case with 5. acuta, Hoffm. The 
| analysis of the latter plant, given by Greville, belongs to S. coniformis (which often occurs on the same stem), and 
| does not therefore properly refer to Spheria at all; but either to the Spheronema or to the genus Septoria, as ex- 
| tended by Desmaziéres, or finally, if Spheria be remodelled according to the plan upon which De Notaris has 
i revised the Italian species, it will come under a new generic name. 
dee On carefully removing the cuticle of the Chrysobactron, I find that in the specimens before me the perithecia 
| give out a few straight filaments which creep for a short distance; this I believe to bé a common occurrence with 
ios the subcuticular species. On the same stalks individuals having the same external characters occur, in which the 
i sporidia are uniseptate. This form I at first believed to be a distinct species, but am now satisfied that it is an 
imperfect state of S. herbarum ; especially since three septa are at times seen. 
10001218 
Prare LXVIII. Fig. IIL—1, stem of Chrysobactron with fungus of natural size; 2, portion of ditto, magnified ; 
m 3, ascus of S. herbarum ; 4, the same, of an immature specimen ; 5, sporidia of ditto :—highly magnified. 
wj. 
ar multi 
u-- | 2. SPHARIA nebulosa, Pers.? Synops. Fung. p. 31. 
i Has. With the former. 
he sine, ۱ Very imperfect; as are also the published descriptions of S. nebulosa itself. 
3. SPHARIA nigrella, Fries? Syst. Mycol. v. 2. p. 512. 
Has. With the two former. 
ju Specimens, unfortunately without fructification and therefore undeterminable. 
| 4. SpmmrIa pheosticta, Berk.; gregaria, peritheciis globosis atris epidermide fusco-maculato tectis, 
ostiolo prominulo punctiformi, ascis linearibus, sporidiis uniserialibus fuscis breviter cymbiformibus. (Tas. 
E | LXVIII. Fig. IV.) 
L Has. Lord Auckland’s group and Campbell’s Island; on the dead leaves of Hierochloe Brunonis. 
sut 
a Gregaria, oculo nudo maculas parvas punctiformes brunneolas exhibens, sub quaque maeula perithecium minus 
| globosum ostiolo subprominulo punctiformi latitat. sci primum breves, sporidiis pellucidis ellipticis biserialibus, 
gê demum lineares, sporidiis fuscis breviter cymbiformibus uniserialibus, nucleo magno globoso. 
I know of no species at all resembling the present. The change in the form of the asci and sporidia is very 
instructive and confirms me in my opinion, that Spheria herbarum and its accompanying uniseptate state belong to 
| the same species (vid. supra). It is worthy of observation, that the sporidia exhibit these changes whilst still co- 
Notar | lourless. Diplodia presents a somewhat analogous case to this, septa being sometimes formed in that genus after 
the spores have acquired their colour. 
| Prate LXVIII. Fig. IV.—1, leaf and fungus of the natural size; 2, portion of the same, magnified ; 3, an 
Me | immature and mature ascus; 4, sporidia:—all magnified. 
