Physolinum monilia (De Wild.) Printz

NEW YORK
BOTANICAL
HERBARIUM OF FRANCIS DROUET Q^RDEN
Texas > dense mesquite forest 22 miles
north of Brownsville, Cameron county-
ill Apr* 15UU
Robert Runyon
NEW YORK
BOTANICAL
GARDEH
NEW YORK BOTANICAL GARDEN
Phormidium monile Setchell & Gardner, ap. nov.
Proc.Calif.Acad.3ei.lv.19:119. pi. 4. f. 2. 30 D 1930.
Filaments relatively very long, straight or flexu-
ous, 7-8 u diam.; triohomes 3.5-4 n diam.; cells quad-
rate, deefly constricted, at the cross-walls, pale aeru-
ginous; terminal cell blunt, rounded, sometimes even con-
siderably enlarged; sheath conspicuous, hyaline, smooth,
distinct, not diffluent.
Intermixed with various other Myxophyceae•
Type: No. 173633, Herb. Calif., Acad. Sci., collected
by H. L. Mason (No. 95), in April, at Guadalupe Island.
When scattered filaments are encountered, the im-
pression is given of a Lyngbya, but, at times, small layers
are seen, when the long, parallel, and closely placed fila-
ments show the Phormidium character. The distinctness of
the sheaths separate this dearly from Ph. hormoides S. and
G., of the central Californian coast.
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