412 



EXPERIMENT STATION BULLETIN. 



MADDER FAMILY. RUBIACEAE. 



An immense family of 5,500 species of wide geographical distribution, abundant in tropical_ regions 

 The coffee plant belongs here, Partridge berry, Bed Straw, Button Bush. One weed is noticed 

 Here are a few of the common names applied to species of Galium: Cleavers, Goose-grass, Bushead 

 Clover-grass, Cling- rascal. 



Fig. 200. 



Fig. 201. 



Fig. 199. 



Fig. 199. Galium asprellum Michx. 



Fig. 200. G. circaezans, G. lanceolalum, G. pilosum, G. trifidum, G. boreale. 



Fig. 200a (176). Blue Field Madder. Sherardia arvensis L. Through an oversight no drawing 

 of 200a was prepared. A slender, tufted, roughish, prostrate plant, 7-25 cm. high; leaves in fours and 

 sixes, narrow; fruit crowned with the 4-6, calyx teeth. Introduced into this country from Europe 

 and spreading with clover seed. 



Fig. 201. Sweethearts. Galium Aparine L. Annual, weak, climbing over plants, by means of 

 stout, recurved prickles on the stems, 60-150 cm. high; leaves in sixes and eights, narrow, in 

 1-3-Howered clusters; fruit densely covered with sharp hooked bristles. Widely distributed under some 

 70 common names; probably introduced from Europe. 



A considerable number of other species of Galium, such as G. lanccolatum G. pilosum, G. trifidum 

 G. boreale, mostly natives grown in woods become a pest to sheep, if allowed to roam about in late 

 mm er and autumn. 



