This section is from the book "The Wild Garden", by W. Robinson. Also available from Amazon: William Robinson: The Wild Gardener.
Dwarf, and usually evergreen, alpine or high-pasture plants, with large and numerous flowers, mostly handsome, and frequently of the most vivid and beautiful blue. The large G. acaulis (Gentianella) would grow as freely in moist places on any of our own mountains as it does on its native hills ; as, indeed, it would in all moist loams, where it could not be choked by coarse and taller subjects.

Snowdrops, wild, by streamlet in valley.
The tall willow Gentian (G. asclepiadea) is a handsome plant, which, in the mountain woods of Switzerland, may be seen blooming among long grass in shade of trees, and this fact is suggestive as to its use in this country.
 
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