•68 ROCHESTER ACADEMY OF SCIENCE. 



position Park is the only one known in Rochester and vicinity. It 

 is a large well shaped individual, and has a girth of 9.4 feet and is 

 80 feet in height. 



Oucrais c err is Linn., the Turkey Oak, is represented by a good 

 sized individual on the east side of the Rochester Trade 

 School and on the opposite side of the road at Exposition Park. It 

 is the largest specimen in the city or vicinity. The circumference 

 is 5 feet, and the height 40 feet. It is a native of Southeast Europe 

 and West Asia. An interesting hybrid oak grows in Maplewood 

 Park on Maplewood Avenue on the west side of the road and a short 

 distance from Driving Park Avenue. It is a cross between Qiierciis 

 alba Linn, and Quercns platanoides Sudw. The girth is 10.6 feet, 

 and the height 70 feet. There are many splendid examples of the 

 native oaks in the vicinity of Rochester, but there does not seem 

 to be any sufficiently notable to indicate in this paper. 



The European elms are well represented in the city of Roches- 

 ter, where they have been extensively planted. On what used to be 

 the estate of the late Samuel Wilder at the corner of East Avenue 

 and Oxford Street, an immense individual of Uhnus campestris 

 Smith, is in perfect health. This is the common elm of the roadsides 

 in England, and is known as the English Elm. Its circumference 

 is 14.3 feet, and the height by actual measurement is 101.72 feet. 

 This tree was planted in 1850. Another good sized English Elm 

 stands at No. 219 Alexander Street. The girth is 9.9 feet, and the 

 height is 75 feet. Ulnnis Hollandica variety vegcta Rehdr., always 

 known under the name of Huntington Elm, has been planted to some 

 extent in the city. There are four good examples at the southeast 

 corner of Goodman Street and Highland Avenue. Their girths are 

 respectively 9.1, 8.1, 7.1 and 7.1 feet. Two of the tallest are 80 

 feet in height. The Huntington Elm was first known at Huntington, 

 England, in the middle of the 18th century. It is believed to be a 

 hybrid between Ubuus glabra Huds. and Uhnus nitcns Monch. 

 Ulmus niiens Monch. sometimes known under the name of the 

 Smooth Elm, is represented by a good individual at the east end of 

 Avenue B about one hundred feet from the bank of the river, and 

 on the south side of the Avenue. The girth is 7.2 feet, and the 

 height 60 feet. Ulniits uitcns is a common tree in the south of Eng- 



