1887. | BOTANICAL GAZETTE.° 167 
dark borders to the leaflets, but otherwise closely related to it. Both are 
isti orniculata and its variety stricta, although each 
of these in some localities produces rather large flowers resembling the 
pegviyiod dorms of a trimorphic species. A repent southern and Cali- 
mens and accurate measurements of the floral organs of 
 Nanly as though it might prove to be trimorphi¢. I shall be greatly 
te) liged for speci 
this plant that may throw light on this point. WILLIAM TRELEASE. 
A walnut sport. 
J. R. Johns, Millersburg, Pa., sends an abnormal walnut, the appear- 
ance of which, he thinks, is due to pollen of the hickory. Similar nuts 
have been found at about the time of the first frosts in the fall, for four 
“can not be doubted by any one seeing it in the first state. The lower 
: series part of some was more fully developed than in the specimen 
rwarded.’ 
walnut. The lower adherent portion is possibly the persistent bract. 
Dep 4 D if [ Ps. A. CROZIER. 
_ Dr. Halsted, in a recent bulletin of the lowa Agricultural College, 
gives the result of some experiments on excluding pollen from sq ash 
and cucumber flowers. They were undertaken to emonstrate to 1 
ae the necessity of the pollen for the development of the fruit. 
he pollen was excluded by covering the female flowers with ¢ 
I ave found other ways of excluding the pollen to answer the pur- 
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‘overed just after the blossoms had withered, all deve : 
M tt, covering of dry sandy soil did not seem to affect their growth, 
nd the paper was not considered essential. : pene 
flo ied with some muskmelons.. Five — 
pe nearly in blossom were clipped off with scissors just at the top 0 
th ry. others on which the flowers had faded, and which were 
Presumed to be fertilized, were clipped in a similar mann to deter- 
t be due to injury 
by the cuttin , : il 
: g. All the first set died, the young fruits growing les 
dying sooner than in the case of the abs . All those on 
ler the blossoms had withered fully matured, except one whic 
A. A. CROZIER 
Chickens got at. 
Agricultural Dep't, Washington, D. C. 
