NOTES ON MYCETOZOA, 261 
pulvinate plasmodiocarps, with the papery outer wall much recurved ; 
the lime-knots attain the size of 200; the granules of which they 
are composed, as well as those in the calcareous wall, are large, 
1-§— iam., agreeing in this character with the Wanstead 
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It is quite a distinct papeeee from P, sinuosum (Bull.), 
Rost. Mon. p. 153. — Plasmo ais pulvi- 
natis, arcuatis, sparsis, niveis, stellatis crystallis in superficie con- 
glomeratis praditis, in acervulos congestis; pariete externo ab 
solidis, raro diffluentibus, reticulum solutum efformantibus, pro- 
tuberantiis, spinosis, mes preditis formato; sporis subviolaceis 
vix verruculosis, - 
Hab. in Bohemia (Opiz). Saccardo, Syl. Fung. p. 376. 
Abundant at ca Regis in the winter and spring of 1890, and 
ai ae in the two previous years. With characters as 
Pls oncdiaas watery white, ene dead leaves. Sporan oe 
pee much depressed, with an irregular ee outli 
mm. broad, snow- white. a wall (x 560) iookin, 
the pare layer of large stellate crystals of great te interwoven 
thickened margin of the mem base ; inne r more or 
less free from upper, us, purplish towards . 
Capillitium profuse, of rigid, erect, dark purplish brown threads, 
n dead leaves, Siig ivy. P1.38 g. 
iss sporangia unfavourably develo se gi capillitium is ge 
times flexuose and irregular = be ranched. The — vary in siz 
in different sporangia ; in some they average 13 w, ranging fect 
121015 y. This species is allied to Uhendetolant difforme (Pers.), 
Rost., which is a true Fe Aaa as named by de Bary. (See 
Annals A obit June 
The fact that the ioe of D. dubium are found of one-half 
the same difference occurs in some other species,—as, for instance, 
in Physarum compressum, where the larger size is mag cp by a 
more re epispore,—suggests a caution against taking these 
characters alone as indicating — distinctions. 
RODERMA ECHINULATUM (Berk.), _— Mon. App. p. 25. 
Stu alle echinulata Berk. Fl. Tasm. p. 268.— Peridio globoso 
columbino-chalybeo ; ; stipite valido aterrimo sursum pedescton 
semipenetrante; capillitio palido globoso; sporis magnis ¢ 
rigideque echinulatis, 16-20 
Hab. inter muscos Tasmanie (Archer). Sphzricum ceruleo 
metallicum ; stipites nigri, rigidi, cylindrici rarius subulati versus 
verticem; columella magna, rigida, cylindrica, in vertice globosa, 
