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ALSINACEAE. 
3. Alsine longifolia (Muhl.) Britt. ( Stellaria longifolia 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; Iola; headwaters of Clear Creek; Graymont; Conejos River, north 
of Antonito; Baxter’s ranch; Table Rock; Steamboat Springs. 
4. Alsine longipes (Goldie) Coville. ( Stellaria 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 Canon; 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. G, Colo., Utah and Wash.—Alt. up to 10,000 ft.— 
Ruby; Anthracite Creek. 
9. Alsine calycantha (Bong.) Rydb. ( Stellaria calycantlia 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. CERASTIUM L. Mouse-ear Chick weed, 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 1 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. Ear lei. 
