84 MISSOURI BOTANICAL GARDEN. 



and Iowa. Specimens examined from New Brunswick 

 (Chalmers, 1876; Fowler, 1870, 1871, with valves evi- 

 dently toothed and very unequal in the same panicle, some 

 of them 8 mm. long), Prince Edward's Island ( Macoun, 

 1888) and other points in Canada (Macoun, 1865, 1882, 

 1888), Maine (Redfield, 1889), New Hampshire (Blake, 

 1861 ^Massachusetts (Boott, 1864, 1866; Robbins; Jesup, 

 1872, 1876; Rhode Island (Gongdon, 1873, 1878), Con- 

 necticut (Eaton; Potter), New York (Torrey ; Vasey, 

 1882), New Jersey (Austin, 1861; Britton, 1887), 

 Pennsylvania ( Wolle, 1841, 47 ; Garber), Ohio (Lea, 

 no. 10), Illinois ( Vasey), Michigan ( Wright, 1838; Rob- 

 bins, 1863, 52), Minnesota (Douglass, 1891), Wisconsin 

 (Lapham, 1843; Pammel, 1887), and Io\v&( Arthur, 100; 

 Hitch cock ). Plate 21. 



10. R. CRISPUS, L. A couple of feet high, erect, rather 

 stout, simple, glabrous to slightly papillate, leaves bluish 

 green, the petiole and principal veins papillate, very wavy 

 margined, the lowest ample, elliptical to mostly oblong- 

 lanceolate, rather obtuse, rounded or decurrently acutish 

 at base ; flowering branches rather strict, somewhat leafy; 

 whorls dense and approximated ; pedicels about one-half 

 longer than the fruit, tumidly jointed near the base ; valves 

 3 to 5 mm. long, round-ovate, barely cordate, rounded or 

 with a broad blunt acuminatkm, minutely erose or ex- 

 ceptionally broadly dentate below ; callosities 3, subequal, 

 or two smaller, often rosy, smooth, ovoid, reaching to the 

 middle of the valve ; achene 1.5x2.5 mm. Sp. i. (1753), 

 335; Meisner, DC. Prod. xiv. 44. Roadsides, pastures, 

 etc., everywhere; introduced from Europe. Specimens 

 examined from various points in Canada, Maine, Massa- 

 chusetts, New York, Delaware, Maryland, District of 

 Columbia, Virginia, South Carolina, Alabama, Florida 

 ( Chapman), Mississippi, Louisiana, Indian Territory, Ohio, 

 Illinois, Missouri, Michigan, Minnesota, Wisconsin, Iowa, 

 Nebraska, Colorado, Utah (Jones, 1879, 1183), Wyoming? 



