1922] 



PFEIFFER MONOGRAPH OF THE ISOETACEAE 145 



lakes of Cascade Mts., October, 1882, Brandegee (Mo. Bot. 

 Card. Herb.); ponds, Mt. Paddo (Adams), August, 31 Oc- 

 tober, 1881, Suksdorj (Mo. Bot. Gard. Herb, and U. S. Nat. 

 Herb.); Mt. Adams, 12 August, 1882, Thos. Howell (N. Y. 

 Bot. Gard. Herb.); Mt. Adams, alt. 6000 ft., 21 August, 

 1886, Suksdorf 2375 (Mo. Bot. Gard. Herb.). 



Oregon: Alpine, eastern Oregon, 1886, Cusick 1451 (Gray Herb.) ; 

 Gayhart Buttes, alt. 2250 m., 7 August, 1896, Coville & 

 Leiberg 271 (U. S. Nat. Herb.) ; in a pond, Flag Basin, Bear 

 Creek watershed, Wallowa Mts., 9 September, 1907, Coville 

 2483 (U. S. Nat. Herb.). 



California: small lakes, Cisco, Sierra Nevada, June, 1870, Bolan- 

 der (Mo. Bot. Gard. Herb.) ; near Mono trail, alt. 10,000 ft., 

 1866, Bolander 5093 (Mo. Bot. Gard. Herb, and U. S. Nat. 

 Herb.); Upper Tuolumne River, little pools, alt. 9000- 

 10,000 ft., 1866, Bolander 5091 (Mo. Bot. Gard. Herb, and 

 U. S. Nat. Herb.) ; Mt. Dana, alt. 10,000 ft., 1866, Bolander 

 5080 (Mo. Bot. Gard. Herb.); Mary's Lake, near summit, 

 alt. 7000 ft., June, 1870, Bolander (Mo. Bot. Gard. Herb.); 

 Ice Lake near Soda Spring station, Sierra Nevada, alt. 7500 

 ft., 11 October, 1880, Engelmann (Mo. Bot. Gard. Herb, 

 and U. S. Nat. Herb.) ; lakes, Summit Valley, alt. 7500 ft., 

 20-22 September, 1882, Pringle (Mo. Bot. Gard. Herb., Gray 

 Herb., and N. Y. Bot. Gard. Herb.); Webber Lake, Sierra 

 Co., Lemmon (Mo. Bot. Gard. Herb, and Gray Herb.) ; Lake 

 Tahoe, May, 1889, Lemmon (Mo. Bot. Gard. Herb.); pond 

 about 2 miles southwest of Whitney Meadows, Sierra Ne- 

 vada, Tulare Co., 26 August, 1891, Coville & Funston 1722 

 (N. Y. Bot. Gard. Herb, and U. S. Nat. Herb.) ; in pool on 

 mountainside northwest of Whitney Meadows; Sierra Ne- 

 vada, Tulare Co., 20 August, 1891, Coville & Funston 1643 

 and 1650 (U. S. Nat. Herb.) ; same station, Coville & Fun- 

 ston 1643 (Gray Herb, and N. Y. Bot. Gard. Herb.) ; about 

 4 miles northwest of Whitney Meadows, Sierra Nevada, 

 Tulare Co., 25 August, 1891, Coville & Funston 1691 (U. S. 

 Nat. Herb, and N. Y. BotJ Gard. Herb.) ; Sierra Nevada, 

 1883, Parry (U. S. Nat. Herb.) ; Ice Lake (abandoned), Sum- 

 mit, Placer Co., 26 September, without year, Kellogg (U. S. 

 Nat. Herb., N. Y. Bot. Gard. Herb., and Mo. Bot. Gard. 

 Herb.) ; Donner Lake, September, 1887, Curran (Mo. Bot. 



