BOTANY OF LA SALLE COUNTY. 45 



into thread-like segments; flowers W. , Ju. Aug. 



R. Cymbalaria. Very smooth, sending 1 out long, 

 jointed, slender, runners which root at joints; 

 leaves small, roundish, cordate, crenate, some- 

 what thick; flowers small, Y.; fruits in an 

 oblong head. Ju, Aug. Near Big Spring S. 

 bank of 111. one-half mile EX Horseshoe Canyon 

 and just W of Street Ry. Powerhouse, Ottawa. 



R. multifidus, Leaves below water with hair-like 

 divisions; above water coarsely cut; flowers Y., 

 one-half inch broad. Between Canal and C. R. 

 I. & P. R. R., K. of Lock 11 and S. E. of U. S. 

 Silica Co.'s works X mile. 



R. abortivus. B. smooth, erect, branching, 6 in. 

 to 2 ft high; first root leaves roundish , entire, 

 other 3 lobed, those of stem and branches 3 to 5 

 parted, sessile; flowers small, pale Y., Ap. Ju. 

 Damp woods, very common. 



R. sceleratus. A. Smooth; root leaves rounded 

 3 lobed, lower stem leaves, 3 parted, the lobes 

 toothed, upper lobes nearly entire; stem thick, 

 hollow; 1 ft., flowers small, pale Y. 



R. recurvatus. Hairy, 1 to 2 ft. high; leaves 

 nearly all alike; on long petioles; flowers pale 

 Y., sepals reflexed; M. Ju., Woods. 



R. fasicularis. Soft, hairy, with close pressed hairs 

 ascending, 5 to 9 inches high; root leaves, 3 

 parted, each part of 5 to 7 divisions appearing 

 pinnate; flowers bright Y., Ap. M. Dry places, 

 Sandy lands along 111. 



R. septentrionalis. Stems at first ascending 

 smooth or hairy, later becoming 2 or more feet 

 long and appearing like runners, leaves all 3 

 parted, parts lobed or cut; flowers Y., M. Aug. 

 Wet places. R. repens of 5th Ed. 



