Lanosa. Unger. 
Microscopic. Branched, transparent, jointed threads, the terminal joints 
of the small lateral branches of which at length acquire a reddish 
colour, and separate at the articulations, producing oblong spores. 
LL. nivalis Unger —(Syow-movtp.) Fig. 28. 
White patches, a foot or more in diameter, themselves consisting of numerous 
entangled circular patches, finally becoming red, as if dusted with red 
powder. 
Habitat. Beneath snow, on Grasses and cereal crops. 
Quality. Commits great ravages among the plants which it attacks, sometimes destroy- 
ing whole crops of corn. Especially injurious to Barley and Rye. es 
Mucor. Micheli. 
Microscopic. Cobwebby masses, consisting of tubular septate threads beari 
at the end a roundish membranous spore-case, which bursts when 
ge in water. 
1. M. Mucedo Linnzeus.—(Common Moutpiness.) Fig. 16. 
Cobweb-like; the fertile threads simple; spores and spore-cases blackish. 
Habitat. Fruit, paste and preserves. 
Quality. Destroys the quality of the substances it infests. 
Urepo. Persoon. 
Microscopic. Subcutaneous patches or masses of simple powdery spores. — 
1. U. Caries De Candolle—U. fetida of some.—(Bunt. Smur-sat. 
PEPPER-BRAND.) Fig. 19. 
Spores black, rather large, spherical, footid. 
Habitat. Within the ovary of corn ; 4,000,000 may be contained in a grain of Whea 
Quality. Destructive to corn, destroying all the interior. Ag me 
2. U. segetum Persoon.—(Smur. Dust-5RaND.) 
Spores black, minute, spherical, scentless. 
Habitat. Rachis and receptacle of Grasses, especially Oats and Barley. 
Quality. Destructive to such corn, but less so than the last. 
: tit 28.— Magnified views of Lanosa nivalis ; a, a patch of the plant ; b, ohe of its threads ; at c, 
