„ „ in arches, 47 „ „ in stables, 49 „ „ in cellars, 51 „ „ in bottoms of old casks, 52 „ „ in cold greenhouses, 53 „ „ under stages in glass-houses, 55 „ „ in cucumber or melon frames, 56 „ „ in caves near Paris, 57 „ „ open-air in Parisian market gardens, 80 „ „ in gardens among other crops, 84 „ „ in gardens and fields, 77 „ „ in summer, 77 „ „ in gardens at Earl’s Court, 78 „ „ on lawns not desirable, 93 „ „ in pastures, &c., 88 „ growing in open-air, Mr. Ayres’s account of, 85 Mushrooms dislike coal and iron, 74 „ „ tar, 48 Mushroom-house, chief requirement in the construction of, 2 „ „ at back of hothouses, 2 „ „ floor of, 3, 5 „ „ without artificial heat, 4 „ „ with slate or tiled roof, 4 „ „ with thatched roof, 5 „ „ condition of air in, 4 „ „ at Frogmore, 5 „ „ how secured from damp, 5, 6 „ „ best position for, 6 „ „ how heated, 6 „ „ used for forcing and blanching vegetables, 6 „ „ under shed (Forsyth’s), 7 „ „ best kind of shelves for, 7 „ „ at Stoke Place, 8 „ „ against wall, best roof for, 9 „ „ proper width of, 9 „ „ Russian (Oldacre’s), 10 „ „ ventilation of, 5, 7, 9 „ „ with brick arched inner roof, 9 „ „ with close-bottomed shelves, 9 „ „ shelves of cast-iron grating for, 11 „ „ necessity of cleaning, 42 „ „ temperature of, 33