74 PROCEEDINGS OF THE AMERICAN ACADEMY 



herbarium at Providence I found the plant with Mr. Olney's name 



attached. Orecfon, Hall 605, Howell, sandy hillsides on subalpine 



slopes of Mt. Hood, L. F. Henderson, 1884 ; Washington Terr., 

 Suksdorf. 



41. Carex striata, Michx. Fl. Bor.-Am. ii. 174. 



C.polymorpha, Torn Monogr. 413. 

 New Jersey to Florida in pine-barren swamps. " Quite common in 

 pine-barren regions, and mostly confined to the yellow drift," Britton's 

 N, Jersey Catalogue. The Southern specimens have more hairy and 

 more tapering perigynia than the New Jersey form. 



42. Carex Houghtonii, Torrey, Monogr. 413. 



Dr. Douglas Houghton, a brilliant naturalist, first State Geologist 

 of Michiiran. — New Brunswick, Fowler ; Maine, at Orono, Scrib- 

 ner, Milford, and Cumberland, Blake ; Gilmanton, N. H., Blake ; New 

 York, near Lake Placid, Essex Co., Peck; shore of Lake Ontario (in 

 New York?), Whitney, 1849; Michigan, Clare Co., central part of 

 lower peninsula, Wheeler, Keweenaw, Bobbins, and Isle Royal, Por- 

 ter ; sixty miles north of Belleville, Ontario, Macoun : Minnesota, 

 Lake Itasca, Houghton (the original station), Blue Earth Co., Leiberg; 

 Council Bluffs, Geyer ; British America on Athabasca Plains, Macoun, 

 Saskatchewan, Herb., Methye Portage, long, about 110°, lat. about 

 57°, Richardson. Rare. 



43. Carex filiformis, Linn. Sp. PL 976. 



In bogs from New England to Pennsylvania and Michigan, and 

 northwestward to the Saskatchewan and northward. Europe. 

 Var. LATiFOLiA, Boeekeler, Linnaja, xli. 309. 

 C. lanuginosa, Michx. Fl. Bor.-Am. ii. 175. 

 a pellita, Muhl. ; Willd. Sp. PI. iv. 302. 

 C. cemathorhyncha, Olney, Bot. King's Rep. 373. 

 G. filiformis, YSiV. cBmatorhyncha, W. Boott, Bot. Calif, ii. 250. 

 In bogs across the continent from Ohio and Kentucky northward ; 

 also in New Mexico, Wright. 



44. Oarex hirta, Linn. Sp. PI. 975. 



Resembles C. Houghtonii and G. trichocarpa, but differs in its very 

 remote and smaller pistillate spikes and its loosely hairy perigynium, 

 sheaths, and leaves. — Introduced at Ashland, Mass., Morong, where it 

 is thoroughly established, about Boston, W. Boott, in ballast at Phila- 

 delphia, Scribner, and at Ithaca, N. York, Dudley. 



D. PaludoscE, Fries, Corp. 190. (Lacustres and Aristata;, Carey, Gray's Man. 

 1848, 561.) Staminate spikes two or more, long-stalked; pistillate spikes 



