53 
Jnder the eee oy management of Dr. W. adler the director, a 
fine free library has been got together and well a d the 
large collections of the late Dr. Engelmann, of St. Louis, are kept 
distinct, but the Bernhardi herbarium is merged into the general col- 
ection 
from the botanical one, w cds is partieularly rich in E Mengen 
literature. A museum, too, is one of the features of the Gar 
Some of the ces collectio ons herb are notable, especially the Cacti, 
, &c. The s are good, and one particularly interesting fact 
connected with cmd is s that they are grown out of doors in summer and 
kept in a hollow-walled dark roofed house, double-glazed at both ends 
and front, in a low temperature (40°-45° Fahr.) during winter. Pandanus 
Veitchi, and other similar plants which do so well outside during sum- 
m 
are all kept as dry as possible, only enough water being given to prevent 
the plants on actually parching. Tropical N ymph:zeas, Euryale ferox, 
Eichornia speciosa (Pontederia crassipes) do des and were flowering 
ea in tanks or in tubs sunk in the ground ou 
At St. ao tuberous-rooted Begonias refuse s grow 5 it is apparently 
too hot for the Roses do not thrive so well as in ngland; a cover- 
ing of six caches of pine seid is necessary to protect them from the 
severity of the winters—5° to 7^ below zero in or — winters ; ; once in 
20 years or so the thermometer falls for a short time to — 20° Fahr. 
Pandanus, Sanchezia nobilis, Acalyphas, Vinea ros ea, Codizums 
(Crotons), Hibiseus rosa-sinensis and other plants which in England 
require stove treatment do well bedded out at St. Louis. 
The Arboretum contains a good collection of deciduous trees, but 
nearly all those planted by Mr. Shaw are in straight lines, and conse- 
quently present a very formal aspect. The Norway Spruce at one time 
eems to have beer so man 
ree. Fine deciduous Cypresses, Abies nor ER Ginkgos, 
White Pine, and a remarkable Pinus banksiana are amongst the most 
noteworthy of the Conifers 
In the Arboretum advantage has been taken of a water supply to 
make a Lily pond, the ur of which are fringed by numbers of native 
moisture-loving plants. A bog garden, too, is of special interest here, 
and in special beds among the trees are cultivated between 1, 
2,000 native herbs and undershrubs. The Missouri Botanieal Garden 
Sr. Lours ro CHICAGO. 
sides many of the plants already mentioned as DUE been seen 
Bes 
on the railway banks, I noted before arriving at hicago masses 
of the Prairie Rose (R. setigera, the only wild climbing rose in 
growers, and it should be more frequently seen in this country ; it is 
extremely hardy, and produces a profusion of flowers of deep rose 
C 79921. B 
