365 
P. camporum, Meisn., var. boreale, Meisn., in Mart. Fl. Bras. 
| Vv. 22 (1855). 
Texas (Drummond, 254); on the Sea Willow (Bigelow, Mex. 
_ Bound. Surv.); Maverlick Co., mouth of the Las Moras (Schott); 
: Bejar (Berlandier, 1 770); Western Texas (Wright, 614); Nebras- 
_ ka: Lancaster Co. (Webber). 
Var. AUSTRALE, Meisn. in Mart. Fl. Bras. v. 22 (1855). 
In Buenos Aires (according to Meisner). 
| 52. POLYGONUM STYPTICUM, C. and S. Linnza, iii. 53 (1828). 
Southern Brazil: On the Rio Negro (Sellow); Northern Pata- 
_ gonia: Rio Negro (Wilkes S. Pacific Expl. Ex.). 
_ 53. POLYGONUM TENUE, Michx. Fl. Bor. Am. i. 238 (1803). 
P. linifolium, Muhl. Cat. 40 (1813). 
E New Hampshire: Red Hill (Schrenk); Connecticut: New 
_ Haven Co. (Eaton); Pennsylvania: Lehigh Co. (Moser); Dela- 
_ ware Co. (Brinton); Montour Co. (Heller); Lancaster and Leba- 
non Cos. (Small); Maryland: Worcester Co. (Rusby); North 
_ Carolina: Smith Mountain (Miss Reynolds); Michigan: St. Clair 
_ Co. (Pitcher); Iowa: Winneshiek Co. (Holway); Illinois: Hen- 
_ derson Co. (Patterson); Kentucky (Short); Arkansas (Leaven- 
_ worth); Red River (Pitcher). 
_ 54. PoLyGonum DouG.aslil, Greene, in Bull. Cal Acad. i. 125 
(1885). 
: P. coarctatum, Dougl., var. majus, Meisn. in D.C., Prodr. 
: Xiv. IOI (1856) in part. 
4 Canada: Lake Muskoka (Britton); Vermont: Snake Moun- 
_ tain (Brainerd); Nebraska: Banner Co. (Rydberg, 346); Indian 
_ Territory: On the False Washita (Palmer, 288); New Mexico: 
_ Copper Mines (Bigelow); Colorado: Eagle River (Coulter); Utah: 
_ Wahsatch Mountains, 7,000 feet (Watson, 1059); Nevada: Aus- 
tin, 6,500 feet (Watson, 1059); Washoe Valley (Stretch, 182); 
_ California: Yosemite Valley and Mountains (Torrey, 423); Ore- 
_ gon (Hall, 450); on the Columbia River (Douglas); Washington : 
- Falcon Valley (Suksdorf, 211); Vancouver Island: Departure 
_ Bay (Macoun). : 
| For some years there has been dissatisfaction among certain 
botanists as to the disposal of a Polygonum, found in the north- 
eastern United States and Canada, which resembles P. “nue to 
