44 



4- Cleaning and putting down lawn on the area north of the rock 



garden. 



5. Grading and putting downi lawn on easterly edge of fir and 



spruce collections. 



Fig. 4. CauipanuJa AUio)iii. An alpine from western Europe, rarely 



w 



+ h 



seen in America. Note the size of the flowers compared with the plant 



■ r , 



from which they spring. The height fr'om the soil to the topmost flower 



T r. ft 



is abont five inches. Under cultivation it requires *' moraine " conditions — 

 provided in the Brooklyn Botanic Garden by excavating the soil in a part 

 of the rock garden to a depth of two feet and filling in with a mixture 

 composed of % in. crushed stone 5 parts, sand i part, and leaf-mold 



I part. 



6. Museum site worked as a source of top-soil after the "war 



n ■ 



gardens *' on it were stopped. 



