EXPLORATIONS \« 1JASIN OF UTAn. 



uis paullo brevioribus obseuris omnibus sen solum inhnio 

 .s; ovario s([ii;imis sepaloideis 5 oblongis uiuuito ; sepalis 

 nbranaeeis integris mucrouulatis, petalis angustis oblongis ; 

 1 capitulum globosum congestis ; bacca ovata parce squa- 

 stentibus coronata. 



ally discovered on the Little Colorado by Dr. Bigelow, and 

 same stream by Dr. Newberry; the variety here described 

 ') .degrees farther north, in Desert Valley, west of Camp 

 nth the withered flowers attached, and some seeds, were 



diameter, radial spines i-H inches long, central ones 1J-2 

 if I may judge from the withered remains, about 1 inch 

 g about 5 membranaceous scales, the lower triangular, 

 rost entire, and never cordate or auriculate at base, as they 

 I species; sepals of tube also narrow, linear, or oblong-lin- 

 1 line wide, stigmas about .', line long. Fruit apparently 

 seed just as it is described "and figured in Whipple's Cac- 

 .e seed-coatare extremely minute and distant from one an- 

 il protuberanee on the otherwise Hat surface of an angular 



iflorus, Enyclm. in Witslte. Mem. note 8, sub Echinoccrvo ; Cad. 



Synops. Cad. p. 22. 

 ntly the northernmost Cereus, extending to the Upper Platte ; it is 

 ido. These northern specimens are 1-3 inches high, 13-ribbed, and 

 variability in the color of the radial spines ; in some bunches, they 

 ts white, in others again the colors are distributed without much 

 mes the upper and lower spines are white and the lateral ones red, 

 single one above and below are red and all the rest white; or the 

 and the upper ones white, and all these variations sometimes occur 

 men. I mention this to show how little reliance can be placed on 

 the spines. Central spines wanting or 1 

 ed upward, white or tipped with purple 



Cereus Lxoelmanni, Parry in Sillim. Joum. n. scr. 14, ^.338; Entjelm. Cad. 

 Bound, jp. 3M.57; Synops. Cad. p. 27. 



Deserts west of the Salt Lake, without flower or fruit. Specimen entirely simi- 

 lar to the one figured in the Cactacea; of the Boundary. The species seems to extend 

 from the Salt Lake region sonthwest wardly to Arizona and the Mohave country. 



. Brandegee, found it abundantly in Southwestern Colo. 



the colors 



i or the d 



istributioi 



i of the c 



or 2 proj< 



or all pur 



acting ho 

 pie, 6-9 



rizontallv 

 lines ink 



, straight 



