64 THE VICTORIAN NATURALIST. 



Capitulum turbinato-globose (i mm. diameter). Exciple pyrenoid. 

 Spores ('oi mm. long) simple, nigricant, fusiformi-globose or 

 ellipsoid, like those figured by Nylander ; epispore thick, with 

 reddish tinge. Habitat on twigs of Hymenanthera Banksii. 



13. Calichmi pusiohnn. Ach. ; var. nov. niveum, Wilson. 

 Thallus snowy white, thick, effuse. Apothecium minute ("5 mm. 



high), stipe hyaline, upper part black or all fuscous or black, very 

 slender; sometimes furcate. Capitulum hemispherico-lenticular, 

 black, about -25 mm. broad, sometimes divided into several 

 lobes, or even separate capitula on divided stipe. Spores pale 

 nigrescent, fusiformi-ellipsoid, simple (•oo4-"oo6 mm. long, '002- 

 •0025 mm. broad), flat, so as to seem almost baccillar when 

 viewed on the side. Paries thick. Gel. hym. with iodine vinous 

 yellow. Habitat on decaying bark of growing eucalyptus. 



14. Caliciuni Victories. C. Knight, spec. nov. 



Thallus white or whitish, or cinerascent, more or less distinct, 

 effuse. Apothecia wholly black ('S-i mm. high). Capitulum 

 turbinato-lentiform or hernispherico-lentiform (up to •25 mm. 

 broad); stipe slender, about "i mm. thick, thicker at base. Spores 

 fuscous, fusiformi-ellipsoid, simple (■oo5-"oo8 mm. long, "002- 

 •003 mm. broad). Paries somewhat thick, and showing a dark 

 outline. Habitat on decaying decorticated eucalyptus. 



15. Calicium co7itorhim. Wilson, spec. nov. 



Thallus whitish, very thin. Apothecia all black, smaller than 

 C. Victorice ; stipe contorted. Capitulum hemispherico-lenticular. 

 Spores dilutely nigrescent ('004 mm. long, -0014- -002 mm. broad). 

 Habitat on decorticated decaying eucalyptus. 



16. Calicium parvulum. Wilson, spec. nov. 



Thallus white, rather determinate, having the appearance of a 

 thin coat of whitewash. Apothecia all black ('4 mm. high). 

 Capitulum lentiform (-16 mm. diameter); stipe slender (-05 mm. 

 thick). Spores simple ellipsoid, dilutely nigrescent. Paries thin, 

 very black. Habitat on decorticated decaying eucalyptus. 



17. Calicium flavidum. Wilson, spec. nov. 



Thallus yellow or sulphureous, smooth, nearly shining. 

 Apothecia black, tinged with the thalline colour on the margin 

 and sometimes downwards, robust, attaining i mm. in height and 

 •5 mm. in thickness ; stipe rather short, thickened upwards. 

 Capitulum globoso-turbinate. Sporal mass black, protruded. 

 Spores fusco-nigrescent, ovoid or sub-fusiformi-ellipsoid, unisep- 

 tate (•oo6-*oi mm. long, •oo3--oo4 mm. broad), the walls tinged 

 red, the cells fuscescent, containing each one or two nigrescent 

 locules. Habitat on wood of dead eucalyptus. 



18. Calicium tricolor. Wilson, spec. nov. 



Thallus sulphureous leproso-granulose. Apothecia black, small, 



