Description of the Figures. 353 



Fro. 229. Portion of capillitium and spores of same, x 400. (All the 

 figures are drawn from the type specimen in Herb. Berk., 

 Kew, n. 10,760.) 



230. Lepidoderma retictdatum, Mass., two specimens, showing variety 

 of form assumed by the plasmodiocarp, x 100. 



231. Physarum scyphoides, Cooke and Balfour, three specimens ; , 

 after dehiscence, showing the columella ; 6, showing the irregu- 

 larly circumscissile mode of dehiscence, x 100. 



232. Didymium fidvellum, Mass., single specimen showing the frosting 

 of lime partially removed from the sporangium, x 200. 



233. Trichia superba, Mass., spore showing the raised, flat bands com- 

 bined to form a nearly polygonal network ; the flat surface 

 of the flat raised band is ornamented with a row of minute 

 depressions, x 1200. 



234. Physarum Ravenelii, Mass., single specimen, x 100. 



235. Portion of capillitium and spores of same, x 400. 



PLATE 10. 



FIG. 236. TUmadoche mutabttis, var. aiirantiaca, Host, plant, x 40. 



237. Portion of capillitium and spores of same, x 350. 



238. Spore of same, x 1200. 



239. TUmadoche mutabilis, var. lutea, Host., plants, x 40. 



240. Physarum Carlylei, Mass., plant, x 40. 



241. Portion of capillitium and spores of same, x 350. 



242. Arcyria punicea, Eost., plants, x 40. 



243. Portion of capillitium and spores of same, x 350. 



244. Portion of capillitium of same, x 1200. 



245. Chondrioderma Carmichaeliana, Mass., plants, x 40. 



246. Section of same, x 40. 



247. Portion of capillitium and spores of same, x 350. 



248. Arcyria chierea, Mass., plant, x 40. 



249. Spores of same, x 350. 



250. Arcyria fnrruginea, Sauter., plants, showing the various forms of 



sporangium ; in a, the sporangium has been ruptured by the 



elastic capillitium, 6, x 40. 



251. Portion of capillitium and spores of same, x 350. 



252. Spore of same, x 1200. 



253. Portion of capillitium thread of same, x 1200. 



254. Brefddia maxima, Host., plant ; nat. size. 



255. Portion of capillitium and spores of same, x 350. 



256. Spore of same, x 1200. 



257. Craterium aureum, Host., plant, x 40. 



258. Portion of capillitium and spores of same, x 350. 



259. Spore of same, x 1200. 



AA 



