1886. ] BOTANICAL GAZETTE. 191 
so complete that the leaves receiving the sporids were on May 17th almost en- 
tirely orange-colored and the affected twigs could be distinguished several feet 
away. 
On May 17th a second series of sowings under sacs was made. Two weeks 
later all of these latter had developed the fungus, while the leaves of the first 
spermagonia. After making the second sowings under sacs a quantity of the 
Gymnosporangium sporidia was scattered over the leaves of certain branches 
and left uncovered. At the time of writing these branches are easily distin- 
guished by the prevailing orange-color of their affected leaves. The natural 
sowings are now beginning to develop as small orange spots, but they as yet are 
sowings the blotches are very irregular and far more vigorous. The leaves first 
inoculated are now thickening in TE preparatory to the formation of the 
reestelia state of the fungus. It remains to determine the species of the roeste- 
lia and carry the spores back to the pee and determine if they will produce 
the teleutospores of the fungus direct, or whether a uredo state is necessary to 
complete the cycle of forms in this polymorphic fungus 
wings have been made upon the cultivated iuple and other species of 
Pirus, as well as upon the genus Crategus, but these results are less pronounced 
ee not ready to be set down.—Byron D. Haxstep, Iowa Agricultural College, 
une 15, . 
EDITORIAL. 
E Popular Science Monthly for June contains a portrait and biographical 
aed: of the late Dr. George Engelmann. The author is anonymous, but can 
hardly have been a botanist or he would not be so ignorant of the true author- 
ship of the classic “Plante Fendleriane” as to say— 
“Tn 1849 Dr, Engelmann published in the ‘ Memoranda baie] of the Amer- 
ican Academy of Arts and Sciences’ the ‘ Plante Fendleriane.’’ 
eer infelicitously adds, regarding Fendler— 
“ Fendler and he [Engelmann] had become acquainted on a erererne 
expedition to the Rocky Mountains, to which the former was attach $s en- 
ginee * He ae in the Rocky Mountains, California, ai iis 
Central America and Braz 
Fendler did not lee ara with nisi in this way; he was 
never eeanet officially to any governmental expedition; he was not an en- 
gineer; and he traveled neither in the Rocky ea halen nor Palkia. nor 
Wicstio: nor Central America, nor Brazil! The writer of the paragraph can 
find correct information on these points in Fendler’s autobiography published 
in this journal for June, 1885. 
Is TO BE hoped iat all botanists are taking note of the good things be- 
ing provided for them at Buffalo. This meeting of the Botanical Club prom- 
