1922] DUFF—GEOGLOSSACEAE 291 
EXPLANATION OF PLATES VIII-XII 
Fics. 1, 2.—Icmadophila aeruginosa: sections of young ascocarps, from 
Bape ere fig. 1, X140; fig. 2; X 100 
- 3-5; Pediat lutea: suction of young fructifications, showing 
generative hyphae and origin of veil; fig. 3, X140; fig. 4, 160; fig. 5, X 140. 
Fic. 6.—C. lutea: section of cap of ascocarp, showing procarps and tri- 
Pea ie: 
Fic. oe . lutea: section of ascocarp, showing veil inclosing young hyme- 
nium; 
Fics. 8, — —C. lutea: procarps and trichogynes enlarged; 3090. 
Fic. 10.—C. lutea: ascogenous hyphae passing from procarp to hymenium; 
X 370. 
Fic. 11.—C. lutea: lower portion of procarp with generative hyphae; 
X 530. 
Fic. 12.—C. lutea: old procarp with empty cells; 430. 
Fic. 13.—C. lutea: first section of series through cap, showing projecting 
trichogyne; 500 
Fics. 14-17. oS palbealoss velutipes: sections of young ascocarps; fig. 14, 
X50; fig. 15, X35; fig. 16, X35; fig. 17, X40 
Fic. 18.—S. velutipes: sections of cap, showing veil inclosing young 
hymenium; X150. 
Fics. 19-21.—.S. velutipes: procarps and ascogenous hyphae; fig. 10, 
X 400; fig. 20, X 250; fig. 21, X310. 
Fics. 22-25.—Trichoglossum hirsutum: sections of young ascocarps; 
fig. 22, X 100; fig. 23, X80; fig. 24, X33; fig. 25, X27. 
ae 26.—T. hirsutum: hymenium; X85. 
Fics. 27, 28.—Leotia lubrica: sections of young ascocarps, showing over- 
lying aia of tissue; fig. 27, X140; fig. 28, X175 
Fic. 29.—L. lubrica: easiest of overlying tissue enlarged; 695. 
Fic. 30.—L. lubrica: section of ascocarp, showing enlarged cells resembling 
procarps of § pathularia; X70. 
Fic. 31.— Cudonia lutea: series of ascocarps at different stages; X3. 
Fics. 36-40.—C. Jutea: procarp cells at multinucleate stage; 1125. 
Fic. 41.—C. lutea: two ee of procarps with degenerated contents, showing 
also generative hypha; X11 
Fic. 42.—Spathularia sobs series of ascocarps at different stages; x3. 
Fics. 43-45.—S. velutipes: procarp cells; 2000. 
Fic. 46.—S. velutipes: old procarp cells with depleted contents; 1125. 
Fics. 47-53.—Leotia lubrica: large cells of cap, showing nucleation and 
in some cases ascogenous hyphae; X1125. 
Fic. 54.—Trichoglossum hirsutum: series of ascocarps at different stages; 
