1893.] Contributions from Missouri Botanical Garden. 693 
Oidium albicans Robin (Histoire naturelle d. vég. parasit. 
page 488; pl. I, fig. 3-7.) 
Cells round and oval, found in the mouth of small children. 
Number of spores one. Has been considered the same as 
. Sacch. mycoderma (Mycod. cerevisiae) which forms no spores 
and therefore is probably no Saccharomyces. 
16. Saccharomyces Reessi. David. 
David: Annalen der Oenologie IV, page 223, 1878. 
Found in wine-fermentation. ^ Cells form three spores. 
Almost unknown. 
17. Saccharomyces galacticola. Pirot. and Rib. 
Pirotta and Riboni: Studii sul latte, page 14, pl. VI, fig. 6; 
pl. XVII, fig. 1, 1879. 
Occurs in “ fermenting” milk where it forms smaller rows, 
sometimes a short mycelium, Cells with 2—4 spores. 
18. Saccharomyces I of Will. 
Will: Zeitschrift f. d. gesammte Brauwesen. No. 7-8. 1891. 
In beer; the taste of the product becomes very much affec- 
ted. Cells oval or of a pastorian form. The top-vegetation 
has long cells and a “false mycelium,” when old. The old 
bottom-yeast forms short rows, similar to those cultivated varie- 
ties which give top-fermentation. Spore-formation: 25° in 14, 
5 h.; 15? in 41 h. Max. 41°; min. 4?—5?. Top-vegetation: 41° 
never; 22°-23° in 4-6 days. “ Conglomeratus "-forms (see No. 
14) figured. 
19. Saccharomyces II of Will. 
Will l. c. 
Habitat as the preceding form. Spores: 24°,5-25° in 31 
h.; 15°-15° 5 in 74 h.; diam. 2-4», number: 1-4. Max. 32°; 
min. 02, 5-19. Top-vegetation found, often developing into the 
formation of a yeast-ring. 
20. Saccharomyces minor. Engel. 
Engel: Les ferments alcooliques, 1872. Arcangeli: Nuovo 
giorn. bot. Ital, 1888, page 303. Joergensen, |. c. page 139. 
