CA R YOPH YLLA CEA E. 403 



in loose terminal cymes ; pedicels slender, divaricate; sepals ovate, slightly longer 

 than the petals; stamens 10 or 5 ; capsule ovoid, longer than the calyx. In fields 

 and waste places, frequent as a weed throughout eastern Canada and the Eastern 

 and Middle States, and locally westward. Adventive or naturalized from Europe. 

 Summer. 



19. TISSA Adans. 



Low herbs, mostly with fleshy linear or setaceous leaves, often with others 

 clustered in the axils, and small pink or whitish flowers in terminal cymes. 

 Stipules scarious. Sepals 5. Petals the same number, rarely fewer, or none, 

 entire. Stamens 2-10. Ovary I -celled, many-ovuled; styles 3. Pod 3-valved to 

 the base. Seeds reniform-giobose or compressed, smooth, winged or tuberculate. 

 [Name unexplained.] About 20 species, of wide distribution, most of them on 

 saline shores or salt marshes. 



Species of salt marshes or sea beaches ; leaves ve'ry fleshy. 



Pedicels 1^5-2 times the length cf the sepals; flowers pink. i. T. marina. 



Pedicels 2-4 times the length of the sepals ; flowers pale or white. 



2. T. Canadensis. 

 Species mostly of dry sandy soil ; leaves scarcely fleshy. 3. T. rubra. 



1. Tissa marina (L.) Britton. SALT-MARSH SAND SPURRY. (I. F. f. 1514.) 

 Annual to perennial, erect, ascending or nearly prostrate, 1-2 dm. high, branch- 

 ing. Stipules ovate; leaves linear, terete, fleshy, 1-4 cm. long, 1-2 mm. wide, 

 often much fascicled in the axils; pedicels 4-10 mm. long; sepals ovate, 2-6 mm. 

 long ; capsule equalling or longer than the calyx; seeds smooth, or roughened with 

 projecting processes, wingless, or winged. In salt marshes, N. B. to Fla. Also 

 in those of Salina, N. Y., the Pacific Coast, and of Europe and northern Asia. 

 Summer. 



Tissa marina minor (Wats. & Coult.) Britton. Rarely over 6 cm. high; flowers 

 smaller; pedicels 1-4 mm. long. Coast of New England. \Buda marina minor Wats. 

 & Coult.]. 



2. Tissa Canadensis (Pers.) Britton. NORTHERN SAND SPURRY. (I. F. f. 

 1515.) Annual, diffuse and spreading, glabrous, 5-13 cm. high. Leaves linear, 

 fleshy, teretish, 10-16 mm. long, mainly obtuse, generally not fascicled; stipules 

 broadly ovate; pedicels slender, at length much exceeding the calyx; sepals 2 mm. 

 long; flowers pale or white; capsule twice the length of the calyx; seeds smooth or 

 papillose, usually wingless. On muddy shores, R. I. and Mass, to Lab. Summer. 



3. Tissa rubra (L.) Britton. SAND SPURRY. PURPLE SANDWORT. (I. F. f. 

 1516.) Annual to perennial, depressed or ascending, very leafy, glabrous, or 

 glandular-pubescent above, 5-15 cm. high. Leaves linear, flat, scarcely fleshy, 

 4-8 mm. long; flowers bright pink, 2-3 mm. broad; stipules ovate-lanceolate, 

 acuminate; sepals ovate- lanceolate, acutish; pedicels slender, spreading, 4-8 mm. 

 long; pods about equalling the calyx; seeds wingless, rough with projecting 

 points. In waste places and along roadsides, or sometimes maritime, Newf. to 

 Penn., western N. Y., Ohio and Va. Apparently adventive from Europe. Also 

 in Cat and Ore., Europe and Asia. Summer. 



20. LOEFLINGIA L. 



Low annual glandular-puberulent diffusely branched herbs, with small subulate 

 or setaceous stipulate leaves, and very small sessile flowers in the axils. Sepals 5, 

 rigid, keeled, acuminate or awn-tipped, the outer ones commonly with a tooth on 

 each side. Petals 3-5, minute, or wanting. Stamens 3-5, perigynous. Ovary 

 triangular-pyramidal, i -celled, many-ovuled. Capsule 3-valved. Seeds attached 

 near their bases ; cotyledons accumbent. [In honor of Peter Loefling, 1729-1756, 

 Swedish traveler.] About 5 species, natives of N. Am., Europe, and central Asia. 

 Besides the following, 2 others occur in the southwestern U. S. 



i. Loeflingia Texana Hook. TEXAN LOEFLINGIA. (I. F. f. 1517.) Bushy, 

 7-15 cm. high, the branches slender, terete, ascending or those bearing flowers 

 secund and recurved. Leaves 4-6 mm. long; flowers less than 2 mm. broad; 

 sepals nearly or quite straight; stamens usually 3; capsule shorter than the calyx; 

 seeds obovate. In dry soil, Neb. to Tex. April-June. 



