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24 



LEAFLETS. 



44^ 



CicuTA GRANDiFOLiA. Rootstock ail inch thick when dry, 

 short -jointed, horizontal, producing from beneath many and 

 closely approximate thick fleshy roots, these terete, straight, 

 several inches long : basal leaves a yard long or more, bright 

 green, glabrous; leaflets oblong-lanceolate, acute, subsessile, 

 very closely evenly and deeply serrate, 3-4 inches long : fruit 

 large, round-ovate; ribs not greatly exceeding the intervals 

 in breadth. 



n' 



Marg 



at western shore of M 



lyake, 



northern Arizona, 1908, collected by G. A. Pearson. Plant 

 related to C. occidentalis of Colorado and Wyoming, but with 

 much ampler foliage very remarkably incise-serrate ; the root- 

 stock and roots very characteristic. 



Pkrsicaria granulata. Branched at the base, the 

 branches ascending, a foot long, very slender, the internodes 

 elongated and foliage sparse ; leaves narrowly lanceolate, 

 -2^ inches long, entire, punctate, glabrous, the midvein 

 beneath and the margins roughish with a few hair-points : 

 ocreae thin and hj^aline, naked at the orifice, the uppermost 



short and open : spikes few, oblong, ^ 



inches long, on 



slender peduncles : ocreolae ovate, entire, glabrous except for 

 a granular-scaberulous indument which is equally obvious 

 upon the whole exterior of the perianth : achenes small, pol- 

 ished, the style cleft nearly to the base and the recurv^ed 

 branches inclined to be persistent. 



Collected on the Rio Verde in Arizona, in 1867, by Dr. 

 Smart; type in U. S. Herb., the sheet not numbered. 



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