340 PROCEEDINGS OF THE AMERICAN ACADEMY 



Had. On rocks, and rocky shores of rivers and lakes, from Newfoundland 

 and Hudson's Hay to Nortliern New York, Illinois, and Wisconsin, and to Lake 

 Winnipeg. — Quebec {Mrs. Percival) ; Vermont, banks of Winooski River and 

 Lake Ciiamplain (Prui/jle); New York, Hudson River near Troy {Jisiij)), Wa- 

 tertown (Graij); Michigan {Uow/Iitoii), at Mackinaw Island {Dr. Wright, Drake); 

 Canada (Richardson) ; Ontario, and at Thunder Bay (Macoun) ; Illinois, at Foun- 

 taindale (Bebb), La Salle {Engclmann), and Waukegan {Scvyent) ; Wisconsin 

 {Doiifjiass, Hale, Lapham), White Fish Bay {(ullma)i),aud Ashland {Eiifjelmann) ; 

 Minnesota, at Duluth (Emjilumnn), with the sejjals both densely hispid and 

 nearly smooth; Manitoba, at Fort Garry (Bmrgean). Originally reported as 

 found b}' Sir Joseph Banks about Hudson's Bay and in Newfoundland. Ma- 

 coun also reports it from Harbor Grace, Newfoundland, and on l^ictou and 

 Magdalen Islands. 



Flowers pale rose-color, two inches broad. The typical smooth and slightly 

 prickly form is the more common eastward. The more tomentose form, winch 

 was considered tlie t^-pical form by Lindley, and named 11. Solandri by Trat- 

 tinnick, is the var. pubescens of Crepin. Of the state with moro abundant 

 prickles he makes the var. setigera, though including also under it what is here 

 separated as R. Arkansana. Both of these forms are more frequent westward, 

 where also the sepals are sometimes naked. 



3. R. Sayi, Schwein. Stems usually low (1 or 2 feet high), thickly 

 covered with prickles: stipules usually dilated, glandular-'ciliate and 

 resinous; leaflets 3 to 7 (u.«ually 5 or 7), glabrous or slightly pubes- 

 cent above, more or less resinous beneath, broadly elliptical to oblong- 

 lanceolate, usually sessile and rounded or subcordate at base, more or 

 le.ss doubly and glandular-toothed, the terminal ^ to 2 inches long : 

 flowers solitary (very rarely 2 or 3) ; outer sepals with one or more 

 very narrow lateral lobes (very rarely all entire), not hispid or slightly 

 60 on the margin : fruit as in the last. — Keating, Long's Exped. 

 Appx. 113. H. acicularis, var. Bourgeauiana, Crepin, Prim. Monogr. 

 Ros. in Bull. Soc. Bot. Belg. 15. 390. 



IIar. Frequent in the Rocky Mountains from Colorado to British America, 

 and on Lake Superior and northward. — Colorado {Parri/, Ilnll <^- flarbour), on 

 Clear Creek and Douglas Mountain above Empire (8,500 to 10,500 feet alti- 

 tude), at Twin Lakes, and in Berthoud's Pass (EngeJmann), Sangre de Cristo 

 Pass (Hooker i^ O'rai/), Mosquito Pass and Twin Lakes (Wolf, Coulter), Idaho 

 Springs (Greene), Manitou Springs (Eugelmann ^- Sargent), Breckenridge (Bran- 

 degee), on the Upper Platte (Fremont) ; British America, at the base of tlie Rocky 

 Mountains (Drummond, Bourgeau), on the Mackenzie River, and at Cumberland 

 House Fort on the Saskatchewan (Richardson) ; Ontario, at Nipigon (Macoun), 

 and Silver Islet in Lake Superior (Gillmnn) ; Wisconsin (Hah), south shore of 

 Lake Superior (Whitney, Loring), and Wliite Fish Bay (Gillmun); Northern 

 Michigan, Eagle River (Gillman). The locality is not given for the original 

 specimens of R. Sayi, which are now in the Schweinitz herbarium in the pos- 

 session of the Philadelphia Academy. The route of Long's Expedition followed 

 the Red River to Lake Winnipeg, and thence passed through the Lake of the 

 Woods and along the northern shore of Lake Superior. 



