ZOOLOGY AND BOTANY, MICROSCOPY, ETC. 
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2. Forming packets only in liquid media. 
a. Gelatin liquefied. 
S. Candida Reinke, S. albida sp. n. 
h . Gelatin not liquefied. 
S. Wclkeri Roman, 8. nivea Henri ci, S. ventriculi Goods. 
II. Species forming Pigment. 
A. Pigment yellow. 
1. Forming typical packets in solid and liquid media. 
a. Gelatin liquefied, 
a. Colonies round. 
S. flava De By., S. superba Henrici, S. olens Henriei, 
S. aurescens Gruber. 
/3. Colonies of irregular shape. 
S. liquefaciens Fraenkel. 
y. When old no longer forming pigment and not liquefying 
gelatin. 
S. aurea Mace. 
b. Gelatin not liquefied, 
a. Colonies round. 
S. lutea Scliroet., S. livida sp. n., S. melliflava sp. n. 
/?« Colonies of irregular shape. 
S. luteola sp. n., S. vcrmiformis sp. n., S. citrina sp. n., 
S. striata sp. n., S. m rginata sp. n., S. gasoformans sj). n. 
2. Forming typical packets only in liquid media. 
a. Gelatin liquefied. 
Colonies round. 
S. Jlavescens Henrici, S. aurantiaca Lindner. 
b. Gelatin not liquefied. 
a. Colonies of irregular shape. 
S. sulphurea Henrici, S. velutina sp. n. 
ft. Colonies at first irregular, afterwards becoming round. 
S. intermedia sp. n. 
B. Pigment red. 
1. Forming typical packets in solid and liquid media. Gelatin not 
liquefied. 
S. carnea sp. n., S. incarnata sp. n. 
2. Forming typical packets only in liquid media. 
a. Gelatin liquefied. 
S. rosea Schroet. 
b. Gelatin not liquefied. 
S. persicina sp. n. 
C. Pigment brown. Gelatin not liquefied. 
1. Forming typical packets in solid and liquid media. 
S. fusca sp. n. 
2. Forming packets in liquid media only. 
S. fuscescens Falkenh. S. paludosa Schroet., S. intestinalis Zopf, 
S. maxima Lindner are doubtful. 
