the Ascocarp in Ascophanus carneus, Pers. 417 
22. Kihlmann, O. : Zur Entwickelungsgeschichte der Ascomyceten. Acta Soc. Sc. Fennicae, xiv, 
1885, p. 309 
28. Massee, G. : British Fungus Flora, vol. iv, 1895. 
24. Overton, J. B. : The Morphology of the Ascocarp and Spore-formation in the many-spored 
Asci of Thecotheus Pelletieri. Bot. Gaz., xlii, 1906, p. 450. 
25. Rabenhorst : Kryptogamen-Flora. III. Abth. : Ascomyceten. 
26. Ternetz, C. : Protoplasmabewegung und Fruchtkorperbildung bei Ascophanus carneus , Pers. 
Jahrb. f. wiss. Bot., xxxv, 1900, pp. 273-309. 
27. Welsford, E. J. : Fertilization in Ascobolus furfuraceus. New Phyt., vi, 1907, p. 136. 
28. Woronin, M. : Zur Entwickelungsgeschichte der Ascobolus pulcherrimus , Cr. u.s.w. Beitr. 
zur Morph, u. Physiol, der Pilze, zweite Reihe, 1866, p. 1. 
EXPLANATION OF PLATE XXVIII. 
Illustrating Mr. Cutting’s paper on the Ascocarp of Ascophanus carneus. 
All the figures have been drawn with the aid of the camera lucida and the apochromatic 
objective 2 mm. apert. 1-30 of Zeiss, Figs. 1-4, 9-13, 15-17 and 20, with the ocular 12, and Figs. 
5-8, 14, 18, 19, 21 a and b, and 22, with the ocular 6. Fig. 1 has been reduced about two-thirds in 
reproduction. The sections from which Figs. 16 and 17 were drawn were stained with Heidenhain’s 
haematoxylin and erythrosin, the others with Fleming’s triple stain. 
Fig. 1. Restoration of typical archicarp made from several sections of a young fruit. x 1180 
(about). 
Figs. 2 and 3. Sections through cells of a young uncovered archicarp showing numerous nuclei, 
x 1770. 
Fig. 4. Section showing transverse wall between contiguous ascogonial cells with the small 
primary pore and the granules on either side of it. x 1770. 
Fig. 5. Ascogonium showing nuclear fusions in one of the cells entirely cut off from the 
adjacent cells by pads over the pores. In the transverse wall of the lowest cell a large, secondary 
pore is shown. The drawing is taken from the ascogonium which is reconstructed in Fig. 1, 
and is built up from two successive sections, x 830. 
Fig. 6. Ordinary vegetative cell of fruit showing numerous nuclei, x 830. 
Fig. 7. Cells from surface of fruit showing one of the secondary hyphae with pits in the 
transverse walls of the cells. x 830. 
Fig. 8. Section through a young fruit showing three ascogonial cells in open contact. Only in 
the two lowest cells were any signs of fusion seen, x 830. 
Fig. 9. Sections from the same ascogonium as Fig. 5, showing fusion-stages, x 1770. 
Figs. 10, it, and 12. Sections from the same ascogonium as Fig. 8, showing different fusion- 
stages in two contiguous cells. The secondary pore is well shown in Fig. 11. x 1770. 
Fig. 13. Group of nuclei from an ascogonium showing nuclei before fusion, two in the act of 
fusing and a fusion nucleus. x 1770. 
Fig. 14. Old ascogonium showing three portions; ‘ trichogyne,’ ascogonium, and stalk-cells 
(most of the last have become disorganized). Ascogenous hyphae are shown coming off from all the 
ascogonial cells, but the majority are given off by the two cells adjacent to the 1 trichogyne ’. 
(Drawn from several sections.) x 830. 
Fig. 15 a, b , c, d. Different stages in the formation of the ascus. x 1770. 
Fig. 16. Fusion of nuclei to form ascus-nucleus. x 1770. 
Figs. 17 ( x 1770), 18, and 19 (x 830). Young asci of slightly different ages. 
Fig. 20. Section of ascospore as seen when still. enclosed in the ascus. x 1770. 
Fig. 21 a , b. Two sections through an old ascogonium showing degenerating nuclei and traces 
of ascogenous hyphae. The ‘ trichogyne ’ is also indicated. x 830. 
Fig. 22. Section through another degenerating ascogonium. The secondary pores are well 
shown here. The nuclei are filled in from several sections, x 830. 
