74 
so regularly hexagonal as to be suggestive of the cells of a honey-comb. 
1 he zones of the pilous are narrow and subconcolorous. 
Melanconium populinum. — Pustules prominent, erumpent 
through a longitudinal chink; stroma whitish, minute or obsolete; 
spores oblong, black, .0006 to .0007 of an inch long, oozing out and 
staining the matrix black or forming a black globule. 
IJead branches of poplar-trees. Iowa. J. B. Ellis. (No. 3,637). 
MELANCONIUM COLORATUM.— Pustulcs small, Scarcely prominent; 
s roma minute greenish-yellow; spores oblong or oblong-ovate, often 
Slightly curved, Tiearly colorless, .0005 to .0006 of an inch long, .00025 
10 .0003 ot an inch broad, oozing out and formimg a dull-reddish 
mass. ° 
B. Ellis. 
?« Tulipifera, Pennsylvania. J 
M. 
are smaller and the spore-masses of a different color " 
Ukomyces vm-Yv^.-Hymeniferous form : Spots suborbicular, 
sometimes confluent, varying in color from yellow to sanguineous; 
peridia amphigenous, short, sometimes crowded and occupying the 
entire spot sometimes concentrically arranged near the margin; 
spores subglobose to subelliptical, orange-yellow, .0008 to .001 of an 
inch long. o .; , 
.1 ^^'"^^f'P''^^«{ Mm: Sori amphigenous, on the same spots as 
iht .^cuhum and intermingled with its peridia, slightly prominent, 
orbicular, blackish-brown; spores globose, minutely granular, .001 to 
.001 1 of an inch in diameter; pedicel very short, hyaline. 
Living leaves of Calandrinia Leana, Porter. Washington Terri- 
tory, r. S. Brandegee. ^ 
R'^ESTELiAiNTERVENiENs.— Spots suborbicular. pallid or yellowish; 
peridia hypophyllous short or moderately elongated, whitish or pale 
w1 h .; f'r"^ '"^ 'Pj'"^"g ^« '^'^ ^^i the cells thick and rough 
Tons no. ' f'P'"'-' ^f'-^"" ^"-y) ^^^y P^'^ ^' ^Vhitish, subglobose, 
ihwt on fi^ """ '"'^ ^^ diameter, minutely rough, the epispore 
epiphyHous "^^"'^ °^ ^" ^""'^' spermogonia on the same spots, 
April 
May.' ME J JnlT °'' ''^'' ""^ ^radium {}) in Southern California. 
fresh 'JmSTh'' '"^ '^'^ "l^t^ specimens, are nearly white, but in the 
S 1^-1}^^1 f ? P^'^^b'y y^"°^^ o^ orange. The fungus at first 
^cidium 
base asTn ^h ° ^^''%'' '^^"'"* ^'' ^"^ ^^^ '^"er split to the very 
on V lT^} ^T''' ^'^'^'^"'- 1'l^e species, however is probably 
on y the hymeniferous state of some teleutosporous fungus This 
last remark is also applicable to the following ^cidia ^ 
^CID 
/t.ciDiUM AURiELLUM.— Peridia numerous, short, crowded, gener- 
tie Zitl''"!-''^' "^"i"' '°^7 ^"^'^'^^ «f '^^'^-'^ P-'<-^ or yellowish, 
Golden v^n' ^^^^/^b^'-^^^^l^te; spores subglobose or subelbptical, 
golden-) ellow, .0008 to .00,1 of an inch long, usually containing one 
to three large, shining yellow oil-globules, epispore ihin. 
June.^^'^"li.'r Ws''^^'^'^^'''^ ^^''^^'^^^^ ^- ^^^ ^- C--"' Nevada. 
