PINK FAMILY 487 



Locs. Tehama Co., Jepson in 1899; Jackson, Hansen in 1892. 



Refs. SAGINA APETALA Ard. Animad. Bot. Sp. Alt. 22, t. 8 (1763). Var. BAEBATA Fenzl; 

 Ledeb. Fl. Eoss. 1: 338 (1842), type loc. Eussia. S. apetala Jepson, Fl. W Mid. Cal. 169 

 (1901). Alsinella ciliata Greene, Fl. Fr. 126 (1891), type loc. lone. Sagina ciliata Heller, 

 Muhl. 1: 50 (1904). 



3. S. linnaei Presl. ARCTIC PEARLWORT. Biennial or perennial ; stems numer- 

 ous, forming a close mat, 1 to 3 inches high, often with leaf-rosettes at base; 

 herbage glabrous; leaves thickish, linear, 3 to 5 or 8 lines long; pedicels fili- 

 form, commonly recurved at summit; stamens 10; petals y 2 to % the length 

 of the sepals ; capsule ovate-conic, l 1 /^ to 2 times length of the calyx. 



High wet meadows or on rocks, 4000 to 11,000 feet : Sierra Nevada ; San 

 Bernardino and San Jacinto mountains ; North Coast Ranges. North to Alaska, 

 thence around the earth. June-July. 



Locs. Mt. San. Jacinto, Hall 2203; Bluff Lake, San Bernardino Mts., Parish 3605; Kings 

 Canon, Jepson 769 ; Bullfrog Lake, Jepson 843 ; Pine Eidge, Fresno Co., Hall $ Chandler 135 ; 

 Yosemite, Hall 8879; Woolly Creek, w. Siskiyou, Butler 48; South Yollo Bolly, Jepson. 



Eefs. SAGINA LINNAEI Presl. Eel. Haenk. 2: 14 (1835). Spergula saginoides L. Sp. PI. 

 441 (1753), type Europo-Asiatic. Sagina saginoides Britt. Mem. Torr. Club, 5: 151 (1894). 



4. S. crassicaulis Wats. Glabrous perennial, the stems stoutish and succu- 

 lent, branching, 1 to 5 inches long, decumbent; leaves linear, thickish, 2 to .9 

 lines long, the basal forming a rosette, the cauline connate by broad scarious 

 membranes; flowers erect or nodding; petals and sepals subequal, I 1 /-? lines 

 long; stamens 10; capsule ovate, little exserted from the fruiting calyx. 



Beaches along the coast from Monterey to Tomales Bay. Washington and 

 British Columbia. June-July. 



Locs. Monterey, Michener 4" Bioletti; cliffs at mouth of Bear Valley, Marin Co., Davy 

 4319; Pt. Eeyes, Davy 6720, 6756. 



Eefs. SAGINA CRASSICAULIS Wats. Proc. Am. Acad. 18: 191 (1883), type loe. Dillon's 

 Beach, Marin Co., Congdon; Jepson, Fl. W. Mid. Cal. 169 (1901). Alsinella crassicaulis 

 Greene, Fl. Fr. 125 (1891). 



4. ARENARIA L. SANDWORT. 



Low branching annuals, or tufted or matted perennials. Leaves mostly- 

 subulate or acerose and pungent, but often linear, lanceolate or ovate. Flowers 

 white, in terminal cymes or heads, rarely solitary and axillary. Sepals 5. 

 Petals 5, entire or nearly so. Stamens 10. Styles 3. Capsule globose or short- 

 oblong, dehiscent into as many entire or 2-cleft valves as there are styles. 

 Species about 160; around the whole earth save the southern hemisphere of 

 the Old World, but chiefly in cold northern regions. (Latin arena, sand, in 

 which many species grow.) 



Capsule valves 2-toothed or 2-cleft. 



Leaves linear, lanceolate or ovate (1 or 2 lines broad), not acerose or pungent. 

 Perennial. 



Plants with running rootstocks; leaves linear-lanceolate....!. A. macrophylla. 



Plants without rootstocks; leaves oblanceolate to linear 2. A. saxosa. 



Annual; leaves ovate 3. A. serpylli folia. 



Leaves subulate or like pine needles, mostly pungent; perennial. 



Condensed alpine plant 4. A. compacta. 



Taller or more loosely branched plants. 



Flowering stems simple, the flowers capitate or umbellate 5. A. congesta. 



Flowering stems branching. 



Stout or compact; Great Basin species. 



Bare ; foliage glaucous 6. A. aculeata. 



More common ; not glaucous 7. A. macradenia. 



Slender ; high Sierra Nevada 8. A. capillaris. 



Capsule valves entire. 



Lower altitudes, mostly of the foothills. 



Swamp plant ; perennial 9 - A - paludicola. 



Dry ground plants; low annuals. 



