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PLATE 4.
Eig. 89. Chondrioda-ma niveum, Rost., plants, x 40.
„ 90. Chondrioderma Trevehjani, Rost., plants, x 30.
„ 91. Spore of same, x 1200.
„ 92. Chondrioderma radiatum, Eost., plants, x 40.
„ 93. Didymium tussilaginis, Mass., plants, x 40.
94. Portion of capillitinm and spores of same, x 400.
„ . 95. Swollen angles of capillitium of same, showing crystals of lime,
x 1200.
„ 96. Physarum leucophaeum, var. violascens, Rost., plants, x 40.
„ 97. Didymium Listeri, Mass., plants ; nat. size.
„ 98. Portion of capillitmm and spores of same, x 400.
„ 99. Section of same, x 40.
„ 100. Spore of same, x 1200.
„ 10 1 . Crystals of lime from wall of sporangium of same, x 400.
„ 102. Didymium dubium, Rost., portion of capillitium, x 400.
„ 103. Orihraria rufa, Eost., plant after the spores have been blown
away, x 80.
„ 104. Orihraria aurantiaea, Sebrad., plant after the spores have been,
blown away, x 80.
„ 105. Orihraria argillacea, Pers., plants, x 40.
„ 106. Portion of inner permanent waU of sporangium of same, X 400.
107. Spore of same, x 1200.
„ 108. Spore of Enteridium Bozeanum, Wing., x 1200.
„ 109. Crih-aria pwrpnrea, Schrad., portion of permanent wall of
sporangium, x 400.
„ 110. Orihraria macrocarpa, Schrad., x 80.
„ 111. Siphoptychium Casparyi, Eost., show’ing the prismatic sporangia
with slightly convex apices, some have the lateral wall removed
showing the long, slender, central columella with its lateral
brandies, x 60.
„ 112. Stemonitis dictyosjiora, Eost., spore, x 1200.
„ 113. Areyria fuliginea, Mass., portion of capillitium, x 750.
PLATE 5.
F ig . 114. Perichaena cortiealis, 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 capillitinm of same, x 1200.
„ 118. Perichaena depressa,JAh., sporangia showing dehi.scent lid, x 40.
„ 119. Sporangia of same, seen from above, x 40.
„ 120. Spores and portion of eapillitium of same, x 350.
F ig . 121. Lycogala epidejid^'um, Bux. ; nat. size.
„ 122. Spore and portion of capillitium of same, x 1200.
„ 123. Lycogcda jiavo-fusca, Rost. ; nat. size.
„ 124. Arcyria clavata, Mass., base of sporangium and stem, showing
the latter filled with large cells which become smaller upwards
and pass gradually into normal spores, x 100.
„ 125. Sporangia of same, x 40.
„ 126. Spores and portion of capillitium of same, x 350.
„ 127. Prototrichia cuprea, Mass., sporangia, x 40.
„ 128. Spores and branched elater of same, x 350.
„ 129. Spore of same, x 1200.
„ 130. Prototrichia flagellifer, Rost., sporangium split open showing the
flesh-coloured mass of spores, x 40.
„ 131. Spores and branched elater of same, x 350.
„ 132. Spore of same, x 1200.
„ 133. Dictydium cernuum, Mass., sporangium, after the spores have
been blown away, showing the calyculus or persistent basal
portion of the sporangial wall, a ; the persistent latticed portion
of the remainder of the sporangial wall, b ; and the
shrivelled apical portion of the stem, x 100.
„ 134. CHbraria macrocarpa (Schrad.), R., sporangia showing at a the
original continuous sporangial wall ; at h tbe external portion
of the wall has fallen away, leaving only the thickened persistent
portion, the spores have been blown away, x 40.
„ 135. Portion of permanent network of the sporangial wall of same,
showing the nodes, a, filled with granules of lime, connected
by the thin, elongated internodes, b, destitute of lime, x 350.
,, 136. Spore of same, x 1200.
„ 137. Arcyria cmerea, Mass., sporangia, x 40.
„ 138. Portion of capillitium and spores of same, x 350.
„ 139. Portion of capiUitium, x 1200.
„ 140. Arcyria nutans, Rost., sporangia a, before, b, after dehiscence ;
<?, the long, elastic capillitium, x 50.
„ 141. Portion of capillitium of same, x 1200.
„ 142. Trichia advenula, Mass., group of sporangia, x 40.
„ 143. Spores and portion of an elater of same, showing the smooth,
long apiculus and interstitial swelling, x 350.
„ 144. Spore of same, x 1200.
PLATE 6.
Fig. 145. Lamprodemia arcyrioides, Rost,, plants, x 40.
„ 146. The same after the sporangial wall and mass of spores have
fallen away, showing a, base of wall of sporangium ; b, columella
; G, capillitium ; d, stem passing into the hypothallus, e,
X 100.