The Origin and Development of the Apothecium etc. 
429 
Explanation of Plates. 
All of the figures with the exception of Fig. 1 were outlined with the aid of a 
camera lucida. 
Plate XXX. 
Fig. 1. Diagrammatic representation of a section of upper half of thallus show- 
ing location of carpogones and spermatia. 
Figs. 2 — 12. Vegetative hyphae. x 2000. 
Fig. 13. Hypha bearing young carpogones. x 1600. 
Plate XXXI. 
Fig. 14. Trichogynes converging about a group of spermatia. End of trichogyne 
fused with spermatium at a. Reconstructed from several sections. x 346. 
Figs. 15 — 19. Parts of same carpogone as in Fig. 14 enlarged to show contents 
of cells. Lines and arrow heads show how parts should connect. x 1600. 
Figs. 20 — 21. Swollen and irregulär cells of hyphae. x 1600. 
Fig. 22. Large cells very near spermatia group. x 1600. 
Fig. 23. Spermatiophore apparently connected with large cells. x 1600. 
Fig. 24. Same cell as in Fig. 23 at a as seen in a different plane, x 1600. 
Plate XXXII. 
Fig. 25. Coils of ascogone with a few trichogyne cells. Cross walls perforated 
and nuclei migrating. Branching at c and d. Growth from basal part of ascogone 
showing cross walls entire. x 1118. 
Fig. 26. Trichogynes fused with empty spermatia. x 1600. 
Figs. 27 — 31. Thickened cross walls of trichogyne cells. Various stages of dis- 
integration of cell contents. x 2000. 
Fig. 32. Branching of trichogyne. x 2000. 
Fig. 33. Concave gelatinous cross wall, x 2000. 
Fig. 34. Branched trichogyne. x 800. 
Fig. 35. Composite drawing from two sections showing coils of ascogone and 
part of trichogyne. Part of cross walls of ascogone perforated. x 1118. 
Plate XXXIII. 
Fig. 36. Entire carpogone reconstructed. x 346. 
Figs. 37 — 13. Same carpogone as in Fig. 36 enlarged to show contents of cells. 
Fig. 38 reconstructed from four sections and Fig. 40 from three. Lines and arrow heads 
indicate how connected, x 1600. 
Plate XXXIV. 
Figs. 44 — 51. Entire carpogone from several sections. Figs. 49 and 51 recon- 
structed from two successive sections. x 2400. 
Fig. 52. Same ascogone with part of trichogyne as in Figs. 44 — 51 reconstructed. 
x 346. 
Plate XXXV. 
Fig. 53. Group of spermatia not attached to spermatiophore. x 1600. 
Fig. 54. Trichogynes growing toward and fusing with spermatia. X 1600. 
