MTXOGASTEES. 



387 



1125. Didymium pertusum. Berh. " Pierced Didymium." 



Scattered ; peridium white, mealy, depresso-globose, deeply but 

 narrowly iimbilicate ; stem attenuated upwards, rufous ; colu- 

 mella central, white ; flocci brownish ; spores brown-black. — 

 Eng. FLv.p. 313. Berk. Outl.p. 307. 



On dead herbaceous stems. Appin. 



This approaches very near to D. xavJhj)pv.s, but the columella is not truly 

 stipitate, but only apparently so from the great depth of the umbilicus. 

 —M.J.B. 



1126. 



Didyxniuxn :santhopus. 



Didymium." 



Fr. "Yellow-stemmed 



Peridium globose, brown, whitish- 

 pruinose ; stem elongated, even, yellow; 

 columella stipitate, whitish, flocci and 

 spores dingy brown. — Fr. S.M. iii. p. 

 120. Sturm, f. 43. BerJc. Ann. N.H. no. 

 Ill, BiscJi.f.36S2. Kl.exs.no.737. 

 On dead leaves, (ivy &c.^ 



[United States.] 



(Fig. 126.) 



Fig. 126. 



1127. 



Didymium leucopus. Fr. 



Didymium." 



" White- stemmed 



Minute globoso-clepressecl, pale glaucous, stem very short, 

 thick, pale, then brownish. — Fr. S.M. iii. p. 121 {partly). Grev. 

 Fl. Ed. 454. Eng. Fl \.p. 313. Fchl. exs. no. 1462. 



On dead beech wood. Autumn. Xear Edinburgh. 



[United States.] 



Very minute, of an uncommonly stiff and dwarf aspect, filaments very few. 

 Differs from Link's P. leucojnis only in having a coloured stem. — Grev. 

 Minute, globose, white, stem white, slightly entering the peridium, flocci 

 white. — Fries. 



1128. 



Didymium So"weir"beii. Berk. " Sowerby's 

 Didvmium." 



Sub-fasciculate, peridium globose, dark grey, umbilicated be- 

 neath, stem slender, columella white. — Eng. FL \.p. 313. Sow, 

 t.AU,/. 3. 



On a decaying bulb in a parlour. London. 



