52 One Thousand Objects 



apples and pears lying on the ground in autumn are seen 

 to be covered with the dirty-grey mouldy patches of this 

 fungus, of a more dense and compact substance than 

 moulds generally, and, as an object, one of the best in 

 the genus to which it belongs. 



367. ROSY MOULD (Dactylium roseum). This appears 

 in pinkish or roseate patches, on various decaying vege- 

 table substances, and is not at all an uncommon mould. 

 It consists of slender delicate threads bearing the spores 

 at the apex; these are of an ovate form, divided by a 

 central septum. (PL V., fig. 32.) 



368. GREY FUSIDIUM (Fusidium griseum}. Very com- 

 mon on dead leaves lying on the ground in damp situa- 

 tions, often covering the whole surface with a dirty-white 

 incrustation, which consists of a mass of narrow spores, 

 pointed towards either extremity. 



369. YELLOW MOULD (SporotricJmm sulphureiini). Not 

 uncommon in sulphur-coloured patches on corks, rotten 

 wood, and other substances in cellars. The threads of the 

 mould are simple and septate, with the spores scattered. 



370. CLUSTERED SPORED WHITE MOULD (Gonatobotrys 

 simplex). This handsome mould is by no means common 

 on decaying vegetable substances. It consists of erect 

 jointed threads, swollen at the joints, around which the 

 roundish spores form globose clusters. This and similar 

 moulds lose their spores in fluid. (PL V., fig. 33.) 



371. BEAUTIFUL BOTRYOSPORIUM (Botryosporium pul- 

 chruni). The threads are erect and sparingly branched. 

 Shorter branches at regular intervals bear clusters of small 

 spores, of which five globose clusters are united into a 

 compound head. (PL V., fig. 29.) 



372. DIFFUSED BOTRYOSPORIUM (Botryosporium dif- 

 fusuni). This is somewhat similar in structure to the fore- 

 going, and like it is found sparingly on decaying herbaceous 

 plants in the autumn. The globose heads consist of a 

 great number of small spores, not collected in clusters. 



373. WHORLED MOULD (Vertidllium distans). This 

 mould has erect septate threads bearing branches in 

 whorls, with spores at their tips. The branches are at- 



