Description of the Figures. 349 



121. Lycngala epidendrnm, Bux. ; nat. size. 



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



123. Lycoijala flavo'/imca, Rost. ; nat. size. 



124. Arcyria clavata, Mass., base of sporaii^nnni and siPin, slioM-in^' 



tlie 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 ciiprea, Mass., sporangia, x 40. 



128. Spores and branched elater of same, x 350. 



129. Spore of same, x 1200. 



130. Prototrichia flaf/ellifer, 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. Didydium cernmcm, Mass., sporangium, after the spores have 



been blown away, showing the calyculus or persistent basal 

 portion of the sporungial 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.), R., sporangia showing at a the 



original continuous sporangial wall ; at b the external porti(jn 

 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 intemodes, 6, 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, Rost., sporangia a, before, b, after dehiscence ; 



c, the long, elastic capillitium, x 50. 



141. Portion of capillitium of same, x 1200. 



142. Tricliia advenida, 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, 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 ; ^, colu- 

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

 X 100. 



