BY D. McALPINE. 495 



(5) Cerato-pycnidial stage; (6) Pycnidial stage: and (7) Perithecial 

 stage. 



My best thanks are due to all those who kindly supplied me 

 with specimens for this investigation, viz. : — Messrs. Carson, Kew; 

 Hunt, Elsternwick; Maiden, Sydney; Neilson, Burnley; Quinn, 

 Adelaide; Turner, Brighton; and Williams, Doncaster. 



EXPLANATION OF FIGURES. 

 (All the figures are magnitied 1000 diameters unless otherwise indicated.) 



Plate xxiii., figs. 1 a-b ; fig. 2 ; figs. .3 a-fj ; figs. 4 a-d. 



Doncaster specimens — 

 Fig. 1. — Coloui'less hyphfe and gonidia. 

 Fig. 2. — Colourless quadrate gemma with three radiating hyphte and 



bearing gonidia. 

 Fig. 3. — Coloured hyphse, monilifnrm and otherwise, bearing gonidia (fig. 

 r X 540). 



Plate xxiv., figs. 4 e-rj ; figs. 5 a-c ; figs. 6 a-o. 



Fig. 4. — Sperniogonia with spermatia and pattern of wall (fig. a x 540 ; 



figs, h and e x 145 ; fig. fx 540). 

 Fig. 5. — Antennaria-form with spores and pattern of wall (fig. a x 270). 



Plate xxv., figs. 6 p-r ; figs. 7 ah. 



Fig. 6. — Various forms of cerato-pyenidia Mith spoi-es ; the origin is shown 



in two instances from basal cells (fig. /t x 270 ; fig. c x 540 ; 



fig. ex 540; figs, g-h x2~0; figs, i-mx 145; fig. ?i x 270 ; fig. 



x 145 ; fig. p X 145 ; fig. q x 270). 

 Fig. 7. — Various forms of pycnidia, showing in some cases fringed opening 



(figs, a-d and f-h x 145 ; fig. e x 270). 



Plate xxvi., fig. 8 ; figs. 9 a-g. 



Fig. 8. — Various forms of pycnospores — mature and immature; two 



colourless forms at upper right-hand with finely granular 



contents. 

 Fig. 9. — Various forms of perithecia, some of them just peeping out from 



mass of hyphae ; and pattern of wall (figs, a, c,J, and g x 540 ; 



fig. b X 270 ; figs, d and e x 145). 



