304 THE AMERICAN MIDLAND NATURALIST 
Kulm (Brenckle). 
358. Persicaria pennsylvanica (Linn.) Small, Fl. S. E 
UE Oh p37 /Gr9os). 
Polygonum pennsylvanicum Linn. Sp. Pl. 362. (1753). 
Fargo (O. A. Stevens). 
359. Persicaria maculata Enricius Cordus, Botanologicon. 
(1551). 
Persicaria maculosa Trew. Herb. Blackw. t. 118. (1754). 
Polygonum Persicaria Linn. Sp. Pl. 361. (1753). 
Leeds, Willow Creek at Dunsieth. 
360. Persicaria tomentosa (Schrank) Bicknell. 
Polygonum tomentosum Schrank, Baier. Fl. I. p. 669. (1789). 
Leeds: 
361. Persicaria tomentosa glabrior Lunell. var. nov. 
‘Tomentum tenue, evanescens. 
With a thin, vanishing tomentum. 
In high grass on the dried-up bottom of Lake Ibsen, Benson Co. 
POLYGONUM Disocorides IV: 4. Plinius XXVII: 12. 
Tour. Els. p. 411. (1694). Polygonum Linn. in limited sense. 
362. Polygonum aviculare Linn. Sp. Pl. 362. (1753). 
Leeds, Butte, Oberon. 
363.. Polygonum littorale Link in Schrad. Journ. 1:54. (1799). 
Leeds, Butte. 
364. Polygonum erectum Linn. Sp. Pl. 363. (1753). 
Leeds. 
365. Polygonum ramosissimum Michx. Fl. Bor. Am. 1:237. 
(1803). 
Leeds, Butte, Towner; Kulm (Brenckle). 
366. Polygonum ramosissimum latius Lunell, var. nov. 
Perviridis. Folia typo ampliora, latiora. 
Rather green. Leaves larger and broader than the type. 
Railroad banks, Leeds. 
BILDERDYKIA Dumortier, Fl. Belg. Stam. 18. (1827). 
367. Bilderdykia Convolvulus (Linn.) Dum. l. c. 
Polygonum Convolvulus Linn. Sp. Pl. 364. (1753). 
Leeds, Butte. 
368. Bilderdykia Convolvulus pumilio Lunell, in Am. Midl. 
Nat. Vol. II, p. 288. (1912). 
Leeds. 
369. Bilderdykia scandens (Linn.) Lunell. 
