480 
‘Taraxacum Livipum (Waldst. & Kit.). 
Leontodon lividus Waldst. & Kit. Pl. Rar. Hung. 2: 120. 1805. 
Taraxacum palustre var. latifolium A, Gray, Mem. Am. Acad. - 
(II) 2: 115. 1849. 
A large flowered, broad and almost entire leaved plant which 
is certainly specifically distinct from the common Dandelion, if in- 
deed it be the same as the European plant. No. 3642, collected 
along Santa Fe creek, nine miles east of Santa Fe, and also on the 
Pecos river. Fendler collected it on the “banks of Santa Fe 
creek.” 
UNIVERSITY OF MINNESOTA, 
Minneapolis, Minn. 
Some Cryptogams found in the Air. 
By SmitrH ELy JELLiFFE, 
The writer has been studying the yeasts and moulds found as 
contaminations upon the bacterial plates in the laboratories of the 
College of Physicians and Surgeons, Columbia University, New 
York. 
These organisms have been isolated and studied in pure cul- 
tures upon Petri dishes and a list of the forms thus far found is 
here given. The study here recorded extends over a period of 
three months, January, February and March, 1897: 
SACCHAROMYCETES. 
Saccharomyces certvisiae Meyen. Rare. 
S. albicans Robin. Rare. 
S. glutinis Fres. Common. 
S. niger Marp. Rare. 
MUCORINI. 
Mucor racemosus Fres. Abundant. 
M. circinelloides Van Tiegh. Rare. 
M. spinosus Van Tiegh. Rare. 
Circinella spinosa Van Tiegh. Rare. 
Rhizopus nigricans Ehren. Not rare. 
