128 ALSINACEAE. 



3. Alsine longifolia (Muhl.) Britt. (Stellaria longifoUa Muhl.) In wet 

 meadows from Newf. to Alaska, Md. and Colo. — Alt. 4000-11,000 ft. — Pike's 

 Peak; Sangre de Cristo Creek; Tennessee Pass; Mancos; Larimer Co.; 

 Andrew's Shetland ranch ; Idaho Springs ; Higho ; Parlin ; Sheephorn Divide ; 

 Gunnison; lola; headwaters of Clear Creek; Graymont; Conejos River, north 

 of Antonito; Baxter's ranch; Table Rock; Steamboat Springs. 



4. Alsine longipes (Goldie) Coville. (Sfellaria longipes Goldie) In wet 

 meadows from Lab. to B. C. and Colo. — Alt. 8000-10,000 ft. — Leroux Parks; 

 Caribou. 



In the Rocky Mountain region it is mostly represented by var. stricta 

 (Richardson) Rydb. {Stellaria stricta Richardson.) It differs from the type 

 in having acute sepals. Its range extends farther southwest to Calif. — Alt. 

 8000-11,000 ft. — -West Indian Creek; Moon's ranch, Larimer Co.; Marshall 

 Pass; Dark Caiion; Tennessee Pass; Eldora to Baltimore. 



5. Alsine laeta (Richards.) Rydb. In wet places in the mountain sides from 

 Lab. to B. C, Que. and Nev. — Alt. 9000-12,000 ft. — Little Veta Mountain; 

 West Spanish Peak; Bob and Chicken Creeks; Beaver Creek; Devil's 

 Causeway. 



6. Alsine borealis (Bigel.) Britt. In wet meadows from Lab. to Alaska, 

 N. J. and Calif. — Idaho Springs; Trapper's Lake. 



7. Alsine crassifolia (Ehrh.) Britton. {Stellaria crassifolia Ehrh.) 

 Marshes and wet places from Lab. to Alaska, Que. and Colo. — Alt. about 

 10,000 ft. — Como. 



8. Alsine obtusa (Engelm.) Rose. {Stellaria obtusa Engelm.) In wet 

 places from Mont, to B. C, Colo., Utah and Wash. — Alt. up to 10,000 ft.— 

 Ruby; Anthracite Creek. 



9. Alsine calycantha (Bong.) Rydb. {Stellaria calycantha Bong.) In bogs 

 and wet meadows from Mont, to Alaska, Colo, and Calif. — Alt. 9000-10,500 

 ft. — Bogs, Columbine; Bob Creek. 



10. Alsine polygonoides Greene. In wet places in Colo. — Alt. about 11,500 

 ft. — Little Kate Basin, La Plata Mountains. 



11. Alsine Jamesiana (Torr.) Heller. {Stellaria Jamesiana Torr.) In 

 wet woodlands from Wyo. to N. M. and Calif. — Alt. 5000-9000 ft. — Howe's 

 Gulch; Rist Canon; Poverty Ridge; near Cimarron; mountains west of 

 Steamboat Springs ; Four-Mile Hill, Routt Co. ; Mesa Verde ; Cucharas River, 

 below La Veta ; Apex ; hills south of Rifle, Garfield Co. ; Mancos ; Platte 

 Canon; Rabbit-Ears, Larimer Co. 



• 2. CERASTITJM L. Mouse-ear Chickweed, Powder-horn. 



Annual ; pods 2-3 times as long as the calyx. 



Pedicels in fruit 1-3 times as long as the calyx, straight or nearly so. 



1. C. brachypodum. 

 Pedicels in fruit 5 times as long as the calyx or longer, strongly curved above. 



2. C. longipedunculatum. 

 Perennials ; pods 1-2 times as long as the calyx. 



Leaves oblong, ovate or oval, mostly obtuse or acutish. 



Petals I cm. long or more, fully twice as long as the calyx. 



Sepals, at least the outer, oval, obtuse, scarious-margined at the tip as well 



as on the sides. 3. C. pulchellum. 



Sepals lanceolate, acute, scarious-margined mostly only on the sides. 



4. C. Earlei. 



