= 
pe 
(brs. ) 
FESS SSBSBRSBSZSZSR SHXRE EB es 
uccinia graminis Pers. 
25 
Hs MEeEpium. STRENGTH. 
: Copper sulphat 10 
poe P peroxide (0. 3 per 10 
Potassium s ulph 10 
se geet Pel 6. 3 per 10 
. Aloin, ) 10 
g Chloral “as big 10 
67 2 Topine 10 
67 gotassium bi-chromate, I 
6 10 
é Cinnamon n decocti 71.4 
ka or lanehiaraad solu-| 100 
8 * 
annic 
: Salicylic acid, Av 
8 Morphin : 100 
B Morphine, fe) 
Chloroform, 10 
ee 
had following table, including th 
ents of all, are shown the results © 
Tes 
of gree coronata Corda. 
Biology of the Uredinee. 449 
MEprvum. STRENGTH. RESULTS.. 
Ferrous sulphate, 10 Not very good. 
Potassium 2 lake 10 Fairly good. 
Copper sulphate 10 Failur 
Hy sign viata (0.3 per 10 Better "eae | in water. 
Potassium sulphide, ee Not very good. 
asthe se 10 Three spores germinated, 
opper 10 Five spores germinated. 
Potassium Pas. 10 Failure. 
a. 2 
Aoi, 100 Failure. 
10 Not _ good. 
100 Failur 
ergs wheat — Success tous germ tubes. 
ties urin ly a few Piet ge pecs ot 
N long ger ; 
Nostale urine, bot So few oe Lpront nn 
Psion ; 
Wheat ah broth, Sateen 
Beef bro Success 
—o Bim 
The next table shows results obtained with uredospores of 
Oo cee peemnclicncieaneeriie 
RESULTS. 
EE 
Poor, but not an entire failure. 
ood. 
Good. 
Failure. 
Success. 
ag 
Fai 
Not ‘many spores germinated. 
very gil spores ger minated. 
Success. 
swells the germ 
Failure: erm po 
~ e: decolorizes the spores. 
Failur 
Failur 
ashe 
Failure. 
seine AT 
e most extensive ex- 
btained with uredo- 
