Or to take the small but welldefined group of five-leaved pines, all the species of which may be seen growing side by side at Kew under identical conditions: we have the Weymouth pine (Pinus Strobus) in eastern North America, P. monlicola and the sugar pine (P. Lambertiana) in California, P. Ayacahwite in Mexico, the Arolla pine (P. Cembra) in Switzerland and Siberia, P. Peuce in Greece, the Bhotan pine (P. excelsa) in the Himalayas, and two other species in Japan.
Of the more specialized public arboreta in the United Kingdom the next to Kew are those in the Royal Botanic Garden in Edinburgh and the Glasnevin Garden in Dublin.
In the case of the Kew pattern unifilar the same magnet that is used for the declination is usually employed for determining H, and for the purposes of the vibration experiment it is mounted as for the observation of the magnetic meridian.
In the neighbouring Richmond Old Park is the important Kew Observatory.
The Kew Observatory pattern unifilar magnetometer is shown in figs.
Passing Richmond (16) and Kew the river flows through London and its suburbs for a distance of about 25 m., till it has passed Woolwich.
Other facilities for outdoor enjoyment are provided in Hesketh Park (presented to the town by the Rev. Charles Hesketh, formerly rector of North Meols, and one of the lords of the manor), the Botanic Gardens, Kew Gardens, South Marine Park, and the Winter Gardens.
Again, Kew is surrounded by a large park, not devoid of trees, and hardly the place where Exner's theory would suggest a large value for C2, and yet the summer value of c 2 at Kew is the largest in Table V.
It is decidedly less at Perpignan and Lisbon than at Potsdam, Kew and Greenwich, but nowhere is the seasonal difference more conspicuous than at Tokyo, which is south of Lisbon.
The botanical gardens at Kew were thrown open to the public in 1841 under the directorate of Sir William Hooker.