214 BOTANY. 



rounded at the base, dentate, commonly 6 to 9 lines long ; pedicels solitary, 

 aboul equalling the leaves in length or a little longer, bractless; calyx in 

 fruit 3 t<» 5 lines long, the posterior segment ovate, the anterior ovate or 

 oblong, the corolla a little longer than the calyx, the upper lip emargi- 

 nate. — In wet sand, Camp Lowell, Arizona, September, 1873, Rothrock 



Cobobea init.rmedia, Gray (Bound. Snrv. p. 117). — Annual, erect, 

 spreading, 2 to 6 inches high, viscid-pubescent; leaves subpinnately-parted; 

 flowers vi t\ short-peduncled, purple, twice as large as those of C. muttifida; 

 cells of the anthers snbcontiguous; capsule 3 to 4 lines long, ovate-lanceo- 

 late, pointed, one-half longer than the somewhat unequal calyx. — Sanoita 

 Valley, Arizona, at 5,000 feet elevation, July, 1874, Rothrock (649). 



Gratiola Virginiana, Linn. (Gray's Man. p. 330). — San Luis Valley, 

 Colorado, September, 1873, Wolf (323). 



Limosella aquatica, Linn. (Gray's Man. p. 331^). — The typical form. 

 Leaves with a spatulate-oblong blade. — Twin Lakes and San Luis Valley, 

 Colorado, 1873, Wolf (972, 973, 986). 



Syntiiyris plantaginea, Benth. (DC. Prod. 10, p. 455). — Woolly- 

 pubescent, becoming smooth; radical leaves oblong, crenate, thick, coria- 

 ceous, 3 to 6 inches long, 2 to 3£ broad, abruptly narrowed at base and 

 somewhat decurrent on the petiole; petioles 2 to 3 inches long, somewhat 

 pilose on the veins and ribs; scape 6 to 12 inches high, furnished with 

 numerous oblong, or orbicular, nearly sessile bracts; flowers in a dense spike, 

 6 inches long in fruit; fruit scarcely exceeding the round-ovate, persistent 

 bracts.— Westeii i New Mexico, at 6,500 feet elevation, 1873, Loew (317); 

 Clear Creek and South Park, Colorado, at 8-10,000 feet elevation, June, 

 1873, Wolf (316). 



Syntiiyris alpina, Gray (Sillim. Journ. 2d ser. 34, p. 251) —Somewhat 

 woolly, becoming smooth; radical leaves elliptic or oval, sometimes obcor- 

 date, closely crenate, 1 to 2 inches long, on slender petioles; scape 2 to 6 

 inches high, leafy-bracted ; spike short, dense, 9 to 12 lines long: sepals 

 lanceolate, villous on the outside toward the edge with long hairs as well 

 as the bracts; corolla 2-parted: lobes narrow, purplish-blue; stigma capitate; 

 stamens cxserted. — South Park, Colorado, 1873, Wolf 



