VOL. II.] 



PINK FAMILY. 



37 



i. Tissa marina (L.) Britton. Salt-marsh Sand Spurry. 



Arenaria rubra var. marina L. Sp. PI. 423. 1753. 

 Spergularia salina Presl, Fl. Cech. 95. 1819. 

 Buda marina Dumort. Fl. Belg. no. 1827. 

 Spergularia media A. Gray, Man. Ed. 5, 95. 1867. 

 Tissa marina Britton, Bull. Torr. Club, 16: 126. 1889. 

 Buda marina var. minor S. Wats, in A. Gray, Man. Ed. 6, 

 90. 1890. 



Annual, erect, ascending or nearly prostrate, from 

 fibrous roots,4 / -8 / high, but very variable, freely branch- 

 ing, glabrous or glandular-pubescent. Stipules ovate; 

 leaves linear, terete, very fleshy, ^ / -i^ / long, }^"-\ ff 

 wide, often much fascicled in the axils; pedicels 

 spreading or ascending, 2 // ~5 // long; flowers numer- 

 ous, pink; sepals ovate, acute or obtuse, i // -3 // long; 

 capsule a little longer than the calyx; seeds smooth, or 

 roughened with projecting processes, wingless, or 

 winged. 



In salt marshes, New Brunswick to Florida. Also in 

 those of the Pacific Coast, and of Europe and northern 

 Asia. Called also Sea-side Sandwort. Summer. 



(Fig. 1514.) 



2. Tissa Canadensis (Pers.) Britton. 

 Northern Sand Spurry. (Fig. 1515.) 



Arenaria Canadensis Pers. Syn. i: 504. 1805. 

 Buda borealis S. Wats, in A. Gray, Man. Ed. 6, 90. 

 1890. 



Tissa salina Britton, Bull. Torr. Club, 16: 127. 1889. 



Not Spergularia salina Presl. 

 Tissa Canadensis Britton, Mem. Torr. Club, 5: 152. 1894. 



Annual, slender, diffuse and spreading, entirely 

 glabrous, 2'-$' high. Leaves linear, fleshy, teret- 

 ish, 5"-8" long, mainly obtuse, generally simply 

 opposite and not fascicled; stipules broadly ovate; 

 pedicels slender, spreading, 3"-6" long, at length 

 much exceeding the calyx; sepals \" long; flowers 

 pale or white; capsule twice the length of the calyx; 

 seeds smooth or papillose, usually wingless. 



On muddy shores, Maine to Labrador. Summer. 



3. Tissa rubra (L,.) Britton. Sand Spurry. 

 Purple Sandwort. (Fig. 1516.) 



Arenaria rubra L. Sp. PI. 423. 1753. 

 Buda rubra Dumort. Fl. Belg. no. 1827. 

 Spergularia rubra Presl, Fl. Cech. 93. 1819. 

 Tissa rubra Britton, Bull. Torr. Club, 16: 127. 1889. 



Annual or biennial, depressed or ascending, very leafy 

 up to the inflorescence, glabrous or sparingly glandular- 

 pubescent above, 2 / -6 / high, often forming dense little 

 mats. Leaves linear, flat, scarcely fleshy, 2 // -4 // long; 

 flowers bright pink, \"-\y z ff broad; stipules ovate- 

 lanceolate, acuminate; sepals ovate-lanceolate, acutish; 

 pedicels slender, spreading, 2 // -4 // long; pods about 

 equalling the calyx; seeds wingless, rough with pro- 

 jecting points. 



In waste places and along roadsides, or sometimes mari- 

 time. Nova Scotia to Pennsylvania, western New York and 

 Virginia. Apparently adventive from Europe in large part, 

 but perhaps indigenous northward. Also introduced in 

 California and Oregon. Native of Europe and Asia. Sum- 

 mer. 



