216 
Others of the Mustard Family that are conspicuous at this time 
are the Perennial Candytuft (Jberis sempervirens), with white 
flowers and evergreen foliage, and a Blister Cress with brilhant 
orange flowers. This last mentioned unfortunate suffers from 
many aliases, being known as Erysimum asperwmn, Chetranthus 
Allionii, Erysimum Allionti, and [. Perofskyanum, while some 
Fic. 17. Japanese Primrose (Primula japonica). (4565) 
authorities maintain that Hrysimum should rightly be called 
-— 
Cheirinia! little later in May the yellow flowers of a variety 
received as [rysimum asperum var. perenne help to brighten up 
the rock garden. 
The first of the Columbines to bloom with us is the glaucous 
ta] 
leaved Aquilegia flabellata var. nana-alba, from Japan. It is 
usually in bloom the first week of May, has white flowers, and is 
