Danger of, 33

Flock, 132
How General is, 134
The Cause of, 133
The Habits and Manner of Growth of, 133
The Worst Mushroom Disease, 132
What it Looks Like, 134
What is, 133

Floor, A Dry, Necessary, 47
Common Earth, 47
Dry, 35, 39
Earthen, 21

Flooring, 29

Fogging Off, 106, 131
Favorable Conditions for, 132
The Cause of, 131

Florists, 11

Florists' Greenhouses, 10

Frame, Boxed-up with Straw Covering,* 19
Covered with Calico, 20
Covered with Oiled Paper, 20
Common Hotbed Box, 45
Preparing Beds in the, 46
Shading the, 47
Spawning in, 46

Frost, Hoar, 35
To Exclude, 40

Fruit Room, 12

Furnace, Boxed off, 17

Gardens, Private, 37

Grapery, Beds and Frames Inside the, 13

Greenhouse Bench, Boxed Mushroom Bed Under,* 41

Greenhouse Benches, Among Other Plants on, 48

Greenhouse Benches, On, 42

Greenhouse Benches, Under, 47

Greenhouses, Beds in Open, Airy, 53
Cool, 41
Growing Mushrooms in, 41
In Frames in, 44
Steam-heated, 48

Growers, Parisian, 60

Heat, Artificial not Absolutely Necessary, 17
Fire, 17
Parching, 17

Heater, Base-burning Water,* 32
Vertical Section,* 32

Heating Apparatus, 28

Hoe, Angular-pointed, 23

Hops, Spent, 68
Spent, Cost Nothing, 69

Horses, Those who Keep, 13

Hotbed Frames, 44

House, A Mushroom, 34
Cow, 13
Ground Plan of Mrs. Osborne's Mushroom,* 36
In Dwelling, 18
Interior Arrangement of Mushroom, 37
Interior View of Mr. Henshaw's Mushroom,* 33
Mr. Samuel Henshaw's, 37
Mushroom, Built Against North-facing Wall,* 34
Section of Mrs. Osborne's,* 35

Houses, Fruit-forcing, 12
Growing Mushrooms in Rose, 49
Lettuce, Mushrooms in, 50
Tomato-forcing, Mushrooms in, 49
Well-sheltered in Winter, 34

Insecticide, Common Salt as an, 113

Leaves, Condition of, to Heat, 68
Fermenting, Beds Composed of, 68
Oak, the Best, 67
Quick-rotting, 67
Tree, 67

Lettuce House, Moisture of, 10

Lice, Wood, 129

Loam and Manure, 11
Mixed, 72
Mixed, Temperature of, 77
Mixed, To Prepare, 73

Loam, Coating, 20
Common, for Casing, 100
Containing Old Manure, 101
Fibrous, Mellow, Best for Earthing Over, 103
Fresh Sod, 100
Heavy, Clayey, 101
Ordinary Field Soil, 26
Sod, Reasons for Use of, 73
Topdressing with, 107

Lot, Village or Suburban, 13

Manure, 13
Baled, 64
Cellar, 62
City Stable, 63
Common Horse, 21
Cow,