354 A JSFoiK^graph of the Miijcoriastrea. 



Fk;. 260. Craterium aureum, Rost., plant, x 40. 



„ 261. Portion of capillitium and spores of same, x 350. 



„ 262. Arcyvla rnbiforrnis, Rost., a, the stipitate, fasciculate form ; h, 

 sessile form ; in c, the sporangium has dehisced in a circuni- 

 scissile manner, the apical portion, d, being carried np by the 

 elastic capillitium, e, x 40. 



„ 263. Portion of capillitium and spores of same, x 350. 



„ 264. Spore of same, x 1200. 



,, 265. Craterium Friedi, Rest., x 40. 



PLATE 11. 



Fk;. 266. CeiuJcowskla wticnlata, Rost., specimen, x 40. 

 „ 267. Spore-s and portion of capillitium of same, showing the free, 



curved, pointed tips, a, a, x 400. 

 „ 268. Arcyria chrysosjmra, Mass., spore, x 1200. 

 „ 269. Free apex of thread of capillitium, x 1200. 

 „ 270. Arcyria Buchudli, Mass., tip of elater, x 1200. 

 „ 271. Spore of same, x 1200. 



„ 272. ^?r?/?-m^x/?-ocZo^a, Mass., portion of an elater, X 1200. 

 „ 273. Arcyria serpula, specimen, x 40. 

 „ 274. Tip of elater of same, x 1200. 



„ 274a. Spore of same, x 1200. 



„ 275. Physarimi cerehriimm, Mass., specimen, x 40. 



„ 276. Physarnm contextuin, specimen, x 40. 



„ 277. Spores and portion of capillitium of same, x 350. 



., 278. Spore of same, x 1200. 



„ 279. Physarnm virescens, sessile form, x 40. 

 „ 280. Stipitate form of same, x 40. 



„ 281. Aethalioid form of same, x 2. 



„ 282. Portion of capillitium and spores of same, x 350. 



„ 283. Spore of same, x 1200. 



„ 284. Physarnm conylomeratnm, Fries, group of sporangia, x 40. 



„ 285. Spores and portion of capillitium of same, x 350. 



,, 286. Spore of same, x 1200. 



„ 287. Physarnm Schitmacheri, plants in different stages of development, 



tJie one to the left %yith the sporangium broken away and 



showing the columella, x 40. 



„ 288. Spore of same, x 1200. 



,, 289. Crateritim confnsnm, Mass., group of sporangia, x 40. 



PLATE 12. 



Fig. 290. Pltysanim psUtacrnum, 1)111111, x 40. 

 „ 291, Spores and portion of capillitium of same, x 350. 



