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of embryo plants would, by one days great heat, be totally destroyed. All that is required, is a kindly warmth just to set the spawn in motion, and forward it in shooting out its tender fibres over the dung and earth. But it must be remembered, that a bed being spawned and closely covered over with the necessary coat of earth, an inch or two thick, thereby excluding the outward air, and confining the heat within, occasions that heat to be renewed afresh, and might cause the bed to burn; so that you must be cautious in putting in the spawn while much heat remains: nor must the covering of litter be applied too soon after, especially in strong beds: for these require a week, a fortnight, or more, before this is proper to be done.
Be careful therefore in these particulars: for on spawning and covering in at a due degree of warmth, depends the whole success;
