348 A Monograph of the Myxogastres. 



PLATE 4. 



Fig. 89. Choixdriodei-ma niveum, Rost., plants, x 40. 

 „ 90. Ghondrioderma Trevelyani, Rost., plants, x 30. 

 „ 91. Spore of same, x 1200. 



„ 92. Chondriudernui radiatum, Rost, plants, x 40. 

 „ 9.3. DidymiuTni tussilaginu, Mass., plants, x 40. 

 „ 94. Portion of capillitium and spores of same, x 400. 

 „ 95. Swollen angles of capillitium of same, showing crystals of lime, 



X 1200. 

 „ 96. Physarum lencophcieum, var. violascens, Rost., plants, x 40. 

 „ 97. Didymium Listeri, Mass., plants ; nat. size. 

 „ 98. Portion of capillitium and spores of same, x 400. 

 „ 99. Section of same, x 40. 

 „ 100. Spore of same, x 1200. 



„ 101. Crystals of lime from wall of sporangium of same, x 400. 

 „ 102. Didymium duhium, Rost., portion of capillitium, x 400. 

 „ 103. Cribraria rvfa, Rest., plant after the spores have been blown 



away, x 80. 

 „ 104. Oribraria anrcmtiaca, Schrad., plant after the spores have been 



blown away, x 80. 

 „ 105. Cribraria argillacea, Pers., plants, x 40. 



„ 106. Portion of inner permanent wall of sporangium of same, x 400. 

 ;„ 107. Spore of same, x 1200. 



,, 10b. Spore of Etderidium Bozeanuin, Wing., x 1200. 

 „ 109. Cribraria j^^i^'P^^ref^, Schrad., portion of permanent wall of 



sporangium, x 400. 

 „ 110. Cribraria macrocarpa, Schrad., x 80. 

 „ 111. Siphoptychinm Casparyi, Rost, showing the prismatic sporangia 



with slightly convex apices, some have the lateral wall removed 



showing the long, slender, central columella with its lateral 



branches, x 60, 

 „ 112. Steinonitiii dictyospura, 'Rost,, s'poTe, X 1200. 

 „ 113. J.rci/rm/i«Zt3inea, Mass., portion of capillitium, x 750. 



PLATE 5. 



Fig. 114. Ferlchaena corticalis, Mass., sporangia of pale form, x 40. 



„ 115. Sporangium of dark form of same, x 40. 



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



„ 117. Spore and portion of capillitium of same, X 1200. 



„ 118. Peric/ioena dfjjressa. Lib., sporangia showing dehiscent lid, X 40. 



„ 119. Sporangia of same, seen from above, x 40. 



„ 120. Spores and porti(_)n of capillitium of same, x 350. 



