354 A Monograph of the Myxoyastres. 



FIG. 260. Crater ium aureum, Host., plant, x 40. 



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



262. Arcyria rubiformis, Kost., a, the stipitate, fasciculate form ; b, 

 sessile form ; in c, the sporangium lias dehisced in a circum- 

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

 elastic capillitium, e, x 40. 



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



264. Spore of same, x 1200. 



,, 265. Cratcrium Friesii, Host., x 40. 



PLATE 11. 



FIG. 266. Ceinkowskia reticnlata y Host., specimen, x 40. 

 267. Spores and portion of capillitium of same, showing the free, 



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

 268. Arcyria chrysvspora, Mass., spore, x 1200. 

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

 270. Arcyria Bnckucdli, Mass., tip of elater, x 1200. 

 271. Spore of same, x 1200. 



272. Arcyria paradoxa, Mass., portion of an elater, x 1200. 

 273. Arcyria serpula, specimen, x 40. 

 274. Tip of elater of same, x 1200. 

 274o. Spore of same, x 1200. 



275. Physamm cerebrinnm, Mass., specimen, x 40. 

 276. Physamm contextum, specimen, x- 40. 

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

 ., 278. Spore of same, x 1200. 

 279. Physamm virescens, sesstle 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. Physamm cotujloineratum, Fries, group of sporangia, x 40. 

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

 286. Spore of same, x 1200. 

 287. Phy.iannn Schnmacheri, plants in different stages of development, 



the one to the left with the sporangium broken away and 



showing the columella, x 40. 

 288. Spore of same, x 1200. 

 289. Craterinm coitfusum, Mass., group of sporangia, x 40. 



PLATE 12. 



FIG. 290. Physamm psittacinnm, plant, x 40. 

 291. Spores and portion of capillitinm of same, x 350. 



