Description of the Figures. 349 



FIG. 121. Lycogala epidendrum, Bux. ; nat. size. 



,, 122. Spore and portion of capillitiuui of same, x 1200. 



123. Lycogala flavo-fiisca, Eost. ; 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 ftagellifer, Eost., 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 por- 

 tion of the remainder of the sporangial wall, b ; and the 

 shrivelled apical portion of the stem, x 100. 



134. Cribraria macrocarpa (Schrad.), E., sporangia showing at a the 

 original continuous sporangial wall ; at b the external portion 

 of the wall has fallen away, leaving only the thickened per- 

 sistent 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, fe, destitute of lime, x 350. 



136. Spore of same, x 1200. 



137. Arcyria cinerea, Mass., sporangia, x 40. 



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



139. Portion of capillitium, x 1200. 



140. Arcyria nutans, Eost., sporangia a, before, b, after dehiscence ; 

 c, 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. Lamproderma arcyrioides, Eost., 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, colu- 

 mella ; c, capillitium ; d, stem, passing into the hypothallus, e, 

 x 100. 



