“Here is a picture-postcard which J. (a professor of botany in Belgium) has brought from Holland, and which he asks me to send you. [The postcard represents an immense space covered with frames and glass lights.] Similar establishments cover many square kilomètres between Rotterdam and the sea, in the north of Heuve. At the time when J. was there (June 10) they had cucumbers, quite ripe, and melons as big as a head in considerable numbers, exported abroad. The cultures are made to a great extent without heating. The gardeners sow also radishes, carrots, lettuce, under the same glass. The different produce comes one after the other. They also cultivate large quantities of strawberries in frames. “The glass-frames are transported at will, so as to keep under glass for several days or weeks the plants sown in any part of the garden. J. is full of admiration for the knowledge of the gardeners. Instead of the usual routine, they apply the last progress of science. He was told that glass is broken very seldom; they have acquired the art of handling glass-frames with facility and great skill. “Besides the frames represented on the photograph, the region between Rotterdam and the sea, which is named Westland, has also countless glass-houses, where they cultivate, with or without heating, grapes, peaches, northern cherries, haricot beans, tomatoes, and other fruit and vegetables. These cultures have reached a very high degree of perfection. The gardeners take the greatest care to fight various plant diseases. They also cultivate ordinary fruit--apples, pears, gooseberries, strawberries, and so on--and vegetables in the open air. Westland being very much exposed to strong winds, they have built numerous walls, which break the wind, and serve at the same time for the culture of fruit upon the walls. “All the region feels the favourable influence of the agricultural school of Naaldwijk, which is situated almost in the centre of the Westland.” S.--PRICES OBTAINED IN LONDON FOR DESSERT GRAPES CULTIVATED UNDER GLASS. _The Fruit and Market-Gardener_ gives every week the prices realised by horticultural and intensive gardening produce, as well as by flowers, at the great market of Covent Garden. The prices obtained for dessert grapes--Colmar and Hamburg--are very instructive. I took two years--1907-1908--which differ from ordinary years by the winters having been foggy, which made the garden produce to be somewhat late. In the first days of January the Colmar grapes arriving from the Belgian hothouses were still sold at relatively low prices--from 6d. to 10d. the pound. But the prices slowly rose in January and February; the Hamburg grapes were late that year, and therefore in the middle of March and later on in April the Colmars fetched from 1s. 6d. to 2s. 6d.