356 



EXPERIMENT STATION BULLETIN. 



ROSE FAMILY. ROSACEAE. 



In the most comprehensive sense, this familv 

 of moderate size, of 1,500 species, is especially 

 prominent in north temperate region, where 

 it is most remarkable for the extraordinary 

 number of valuable fruits -and ornamental 

 plants; it includes apples, pears, quinces, 

 peaches, plums, cherries, almonds, raspberries, 

 strawberries, roses, hawthorns, spiraeas and 

 others; while its weeds are few and insignificant. 



ORPINE FAMILY. 



CRASSULACEAE. 



A small family of about 500 species, widely 

 distributed, mostly succulent herbs familiar 

 in species of Live-for-ever and house-leek. 



Fig. 109 (100). 



Mossy Stonecrop. Sedum acre L. A 

 smooth, densely tufted, spreading perennial, 

 3-8 cm. high; leaves sessile, yellowish green, 

 entire, succulent, 3-5 mm. long; flowers yellow. 

 A pretty little plant, escaped from cultivation, 

 especially abundant in sandy land of cemeteries. 

 Introduced from Europe. 



Fig. 110 (101). 



Tall Hairy Agrimony. Agrimonia gyrposep- 

 ala Wall. (A. Eupatoria in part, not L., 

 A. hirsuia Bicknell.) A rough, hairy perennial. 

 70-120 cm. high; leaves large, thin, leaflets 

 mostly 7, coarsely serrate, interposing segments 

 mostly 3 pairs; flowers yellow; fruiting calyx 

 nearly 1 cm. long; hooks long, widely spreading. 

 Native to this country. Frequent in thin woods 

 where the fruit damages wool. 



