OF ARTS AND SCIENCES : FEBRUARY 13, 1872. 407 



575. Carex Douglasii Boott, in Hook. 1. c. t. 214 ; all male 

 plants. 



576. Carex vitilis Fries, var. alpicola, Wahl. 



577. Carex Bolanderi Olney in Proc. Am. Acad. 7, p. 393. 

 G Hartwegi Dewey, non Boott. 578. Var. elongata Olney. 579. 

 Var. minor Olney. 580. Var. sparsiflor'a Olney. 



581. Carex tenella Sehkuhr. G. disperma Dewey. 



582. Carex echinata Murray, Comra. Goett. 1770. G stellulata 

 Good. 1792. 



583. Carex leporina L. var. Americana. 



584. Carex festiva Dewey. 585. Var. minor Olney. 586. 

 Var. gracilis Olney. G propinqua Boott in Bot. Wbippl., non Nees 

 & Meyen. 



587. Carex athrostachta Olney 1. c. ? Fruit too broad and 

 color browner. 



588. Carex scoparia Sehkuhr ; Boott, 111. Car. t. 368. 



589. Carex lagopodioides Sehkuhr; Boott 1. c. t. 370. 



590. Carex albolutescens Schw., var. brunnea Olney. 591. 

 Var. sparsiflora Olney. 



592. Carex Sitchensis Prescott ; Boott, 111. Car. t. 518, 519. 



593. Carex c&spitosa L. But the perigynium slightly toothed 

 at the apex. 



594. Carex elata Allioni, 1785. G stricta Good. 1792. 



595. Carex borealis Lang, 1843, ex Anderss. Cyp. Scand. 

 596. A rather stouter form of the same ? 



597. Carex vulgaris Fries? The scale perhaps too pointed. 



598. Carex decidua Boott, 111. Car. 1, p. 63, t. 170. 



599. Carex Mertensii Prescott ; Boott, 111. Car. 4, p. 212. 



600. Carex perruginea Sehkuhr. Not G. sempervirens Vill. 



601. Carex frigida Allioni ; Boott. 111. Car. 4, p. 208. 



602. Carex laxiflora Lam. var. plantaginea Boott. 



603. Carex Rossii Boott, 111. Car. 2, p. 99, t. 205. 



604. Carex Pennsylvanica Lam. Some specimens have a long- 

 pedunculate lower spike. 



605. Carex Oregonensis, n. sp. Olney, ined. 



606. Carex amplifolia Boott, 111. Car. 1, p. 17, t. 48. 



607. Carex lanuginosa Michx. ; Boott, 1. c. t. 129. 



608. Carex vesicaria L., var. lanceolata Olney. Acheni- 

 um resembling that of Boott, 111. Car. t. 537 fig. e., rather than the 



