ENDOSPORE^. [AMAUROCHyETE. 
Order II.— AMAUROcnjiTACEiE. Sporangia coinbincd into an 
iietbalium. Capillitinm dark purple-brown, of irregular strands 
and threads, or of complex structure. 
KEY TO THE GENEEA OF AMAUROGUJETACE/E. 
Capillitium of irregularly branching threads. 
(20) AMAUROCHiETE. 
Fig. 28. — Amanrochcete atra Eost. 
a. ^thalium. Half natural size. 
b. Capillitium. Magnified 10 times. 
Fig. 28. 
Capillitium of horizontal threads, with many-chambered vesicles. 
(21) Beepeldia. 
Fig. 29. — Brefeldia maxima Eost. 
a. iEthalium. Natural size. 
h. Capillitium and spores. Magnified 50 times. 
Fig. 29. 
Genus 20.— AMAUROCH^TE Rostafinski, Yersuch, p. 8 
(1873). ^thalia pulvinate, composed of elongated closely com- 
pacted confluent sporangia ; sporangium-walls not developed. 
Capillitium rising from the broad membranous base, consisting 
of dark purple-brown irregularly flattened ragged strands, 
dividing into many anastomosing branches, which vary much in 
length and thickness. 
1. A. atra Host., Versuch, p. 8 (1873). Plasmodium creamy- 
white, emerging from recently felled fir-wood, ^thalium pulvinate 
or variously shaped, 2 mm. to 4 cm. or more broad, black, covered 
with a silvery evanescent membrane ; individual sporangium- 
walls undeveloped. Columella none. Capillitium as described in 
the genus, often very scanty. Spores dull purple, spinulose, 11 
to 13 //, diam.— Mon., p. 211 ; Cooke, Myx. Brit., p. 52; Blytt, 
Bidr. K. Norg., Sop. iii. (1892), p. 9; Mass., Mon., p. 89. 
Lycogala atrum Alb. & Schw., Consp. Fung., p. 83 (1805). 
Keticularia atra Fr., Syst. Myc, iii., p. 86. 
Plate LI., k.—a. capillitium, x 20 ; Z>. spore, x 600 (England). 
Hah. On fir- wood. —Halse House, Somerset (B. M. 17) ; Scotland 
(Edin. Herb.) ; Lyme Regis, Dorset (L:B.M.101) ; Poland (Strassb. 
Herb.) ; Maine, U.S.A. (K. 800). 
