MUCOEINI. 633 



1893. Mucor subtilissimus. Berh. " Onion Mucor." 



Mycelium creeping ; fertile flocci brauclied ; branches short, 

 spreading, each tenninated by a minuto sporangium ; vesicles 

 at length vanishing ; spores oblong-elliptic— 5er/j. HoH, Journ. 

 ni.p.mj.l-h. 



On mildewed onions, developed from Sclerotium cepcBvorum 

 {Ann. JSr.H. no. 168). 



This mould is so exceedingly minute that it may be considered as the most 

 microscopic of any yet found in Britain. 



(}en. 267. 



PZLOBOLUS, Tode. 



Flocci simple, continuous, when mature 

 ventricose above and clavate, terminated 

 by an indurated, globose sporangium; dehis- 

 cent ; including a globose sporidium. — Fr. 

 S.3I.m.p.312. {Fig. 301.) 



1894. Pilobolus crystallinus. Tode. 

 " Cr}-5talline Pilobolus." 



Apices of the flocci at length clavate, 

 obovate ; sporangium hemispherical. — Fr. 

 S.M.iu.p. 312. Furt.iu.t.31. Pers.Ohs. 

 i. t. 4,/. 9, 10. Built. 480,/. 1. Sow. t. 300. 

 Bolt. t. 133, f. 1. Dicks, t. 3,f. 6. Fckl. exs. 

 no. 49. Corda. Icon. vi./. 32. Bisch.f. 3724. 

 Bon. t. 10,/. 203. Kl. exs. no. 1630. 



[United States.] 



"At first appearing, as Fries observes, under the form of a small yellow 

 Sclerotium, which gradually acquires a stem, becomes inflated above, and 

 loses its yellow hue j often densely tufted; very fugacious." — M.J.B. 



1895. Pilobolus xoridus. ScJinm. "Dewy Pilobolus." 



Flocci elongated, filiform, apices globose; sporangium puncti- 

 form. — Fr. S.M. iii.^j. 312. Curr. Linn. Journ. 1856, t. 2. Pluck, 

 phy. t. 116,/. 7. Bisch.f. 3725. Bolt. 1. 132, f. 4. 



On dung. [S. Carolina, U. S.] 



Smaller and slenderer than P. crystallinus. 



(Fig. 301, magnijled.) 



Fig. 301. 

 On dung. 



