"Comfortable. Just like an old slipper," he replied, with just a hint of melancholy in his voice.
The coal is first cut to the top of the slipper coal from below, after which the upper portion is either broken down by wedging or falls of itself.
The urussi, or Russian shoe is the most common; next, the kafsh or slipper of various kinds.
The order is well represented in Britain by 18 genera, which include several species of Orchis: Gymnadenia (fragrant orchis), Habenaria (butterfly and frog orchis), Aceras (man orchis), Hermin- ium (musk orchis), Ophrys (bee, spider and fly orchis), Epipactis (Helleborine), Cephalanthera, Neottia (bird's-nest orchis), one of the few saprophytic genera, which have no green leaves, but derive their nourishment from decaying organic matter in the soil, Listens (Tway blade), Spiranthes (lady's tresses), Malaxis (bog-orchis), Liparis (fen-orchis), Corallorhiza (coral root), also a saprophyte, and Cypripedium (lady's slipper), represented by a single species now very rare in limestone districts in the north of England.
On the northern frontier the pattern known as the kafshi is worn; this is a slipper having neither sides nor back; the sole towards the heel is narrow and raised by a small iron-shod heel.