48 ROSE ORDER 
PRAIRIE PEA ASTRAGALUS HYPOGLOTTIS | 
Plate 28, fig. 6 
The flowers of the Prairie Pea are usually blue to purple, rarely 
whitish or yellowish. They occur in dense heads on procumbent or 
ascending stems 4-8 in. long and bloom in midsummer. The plants 
are found in meadows and river valleys at 4000-9000 ft. 
RosE Locust ROBINIA NEO-MEXICANA 
Plate 28, fig. 7 
The Rose Locust is a shrub or tree 3-15 ft. tall and grows along 
streams at 4000-7000 ft. The flowers are white to rose-colored with 
a touch of yellow on the standard and keel, and their large showy 
clusters come into bloom in spring and early summer. It is the hand- 
somest of the locusts, and should be cultivated wherever winters are 
not too severe. | 
STONECROP FAMILY 
RosE CrRowN CLEMENTSIA RHODANTHA 
Plate 30, fig. 1 
The rose-pink to nearly white flowers of the Rose Crown are 
_ crowded into heads at the ends of stiff stems 4-20 in. tall. They bloom 
in midsummer and may be found in meadows and bogs and along 
streams at high altitudes, 10000-13000 ft. 
Kinoc’s Crown, RosERooT RHODIOLA ROSEA 
Plate 30, fig. 3 
The tiny deep red-purple flowers of the King’s Crown are crowded 
into dense roundish heads at the ends of unbranched stems 4-12 in. 
high. They bloom in midsummer and are found only on alpine peaks 

