180 



FABACEAE. 



1. Trif olium prat6nse L. Eed, 



Purple or. Meadow Clover. (Fig. 

 200.) Perennial, pubescent, 6'- 

 2° high. Leaves long-petioled; 

 stipules ovate, strongly veined, sub- 

 ulate-tipped, 6"-10" long; leaflets 

 short-stalked, oval, oblong or obo- 

 vate, narrowed at base, hardly 

 cuneate, obtuse and sometimes 

 emarginate at the apex, often dark- 

 spotted near the middle, finely 

 denticulate, i'-li' long; heads 

 globose or ovoid, rarely slightly 

 peduncled, about 1' long; flowers 

 red (rarely white), about 6" long, 

 remaining erect in fruit; calyx 

 sparingly hairy, its subulate teeth 

 shorter than the corolla. 



Occasional in grassy places. In- 

 troduced. Native of Europe. Widely 

 naturalized in North America. Flow- 

 ers nearly all the year around. Ex- 

 perimental cultivation of clover for 

 fodder has not been successful. 



2. Trifolium hybridum L. 



Alsike or Alsatian Clover. 

 (Fig. 201.) Perennial, l''-2° 

 high, glabrous or nearly so. 

 Leaves long-petioled ; stipules 

 ovate-lanceolate, acuminate, mem- 

 branous, 6"-12" long; leaflets 

 short-stalked, obovate, sometimes 

 emarginate but not obcordate, nar- 

 rowed or cuneate at the base, ser- 

 rulate, 6"-12" long; heads long- 

 peduncled; flowers pink or nearly 

 white, 2V'-4:V' long; pedicels 1"- 

 2Y' long, reflexed when old; 

 corolla 3-4 times as long as the 

 calyx; calyx-teeth subulate, about 

 equalling the tube; pod 2-4- 

 seeded. 



In grassy woods," Devonshire, 

 1905. Also reported by Moore. 

 Native of Europe. Naturalized in 

 North America. Flowers from 

 spring to autumn. 



