6. Re obtusifolius L. Aather coarse perennial 60-100 cm. tall, the stem 
rather deeply grooved; basal leaves ovate, 15-25 cm. long, 6-10 cm. Wide, 
the upper smaller, ovate-oblong, acute, rounded onslightly cordate at the base, 
@heemersin more or less undulate, petioles 4-6 cm. long, slender; panicle 40-50 
cme long or more, leafy, the branches ascending; Margie: in rather loose, un- 
crowded whorls, droopi ng, the pedicels filiform, 5-8 mp. long; inner perdanth 
segment 4 mn. long, hastate-deltoid, with 3-4 ape ree teeth on each margin, 
strongly reticulate, one segment bearing a prominent tubercle; achene 2 m, 
long, ovate, brown and smooth. 
Waste place near mine, Pritchard, Hpling and Houck 10177; naturalized from - 
Europe. 
