8 MUSTARD ORDER 
MUSTARD FAMILY 
WALL FLOWER ERYSIMUM ASPERUM 
Plate 5, fig. 4 
The Wall Flower has a wide range of coloring, varying’ from pure 
yellow to burnt-orange and even rose-purple. It is 1-2 ft. high and 
occurs on prairies, plains and mountain-sides at 3000-12000 ft. The 
flowers are fragrant and occur in dense clusters which are found from 
spring to midsummer. /The Wall Flower is a close relative of the 
Stocks of old-fashioned gardens. 
GOLDEN WHITLOW #£DRABA AUREA 
Plate 5, fig. 5 
This little plant bears small golden-yellow blossoms in spring and 
summer. It is found in sunny spots and in open woodland and forest 
throughout the mountains from 7000-13000 ft. 
BLADDER Pop PHYSARIA DIDYMOCARPA 
Plate 5, fig. 7 
The flowers ef the Bladder Pod are pale yellow and the stems 
prostrate, growing on dry hills and gravel-slides at 5000-10000 ft. and 
blooming in spring and early summer. The Bladder Pod receives its 
name from its inflated fruits which roll around on the gravel-slide. 
3D, BLEEDING HEART FAMILY 
GLODEN SMOKE CAPNOIDES AUREUM 
Plate 5, fig. 6 
This plant belongs to the same family as the familiar Bleeding 
Heart and Dutchman’s Breeches, but the flower is yellow in color and 
has only one spur. It is especially fond of open, sandy or gravelly soils 
