108 TETRANDRIA TETRAGVNIA^ [CL. IV^ 



stigmas obtuse. Seeds four, egg-shaped, obliquely pointed, each 

 elevated on a long stalk. Named after H. B. Ruppius. 8K 



1. R. maritima. Sea Tassel-grass. The whole plant submersed. 

 Roots fibrous, tufted ; stem long, slender, round,, much branched, leafy. 



Leaves linear, alternate : spikes two-flowered, on short axillar stalks. 



Perennial : flowers in August and September: grows in salt-water ditches 

 and pools : not uncommon. Eng. Bot. vol. ii. pi. 136. Eng. Fl. vol. i. 

 p. 238. 278. 



19. SAGI'NA. PEARL-WORT. 



Calyx inferior, four-leaved. Petals four, egg-shaped, entire, 

 spreading, shorter than the calyx j sometimes wanting. Fila- 

 ments hair-like, ascending, shorter than the calyx ; anthers round- 

 ish, two-lobed. Germen superior, egg-shaped. Styles awl-shaped, 

 short, spreading; stigmas obtuse, downy. Capsule egg-shaped, 

 one-celled, four-valved. Seeds numerous, very small, stalked, 

 and attached to a central receptacle. Name signifies fattening, 

 food. 82. 



1. S. prncumbens. Prooiimbtnt Pearl-wort. Stems procumbent ; 



leaves minutely pointed ; petals much shorter than the calyx. Stems 



from two to four inches long, spreading, leafy : leaves linear, three- 

 ribbed, smooth : flowers drooping : petals white. Perennial : flowers in 

 June and July : grows in dry, gravelly, or sandy soil : common. Eng. 

 Bot. vol. xiii. pi. 880. Eng. Fl. vol. i. p. 239. 279. 



2. S. maritima. Sea Pearl-wort. Stems nearly erect, smooth ; leaves 



blunt ; petals none. Stems two or three inches high, spreading at the 



bottom, branched, leafy : leaves fleshy, linear, smooth. Annual : flowers 

 from May to August : grows on the sea-coast : not uncommon. F.n. 

 Bot. vol. xx*i. pi. 2195. Eng. Fl. vol. i. p. 240. 280. 



3. S. apttala. Small Annual Pearl-wort. Stems nearly erect, hairy ; 



leaves bristle-pointed, fringed ; petals generally wanting. Stems two 



or three inches long, spreading at the base, leafy, covered with spreading 

 hairs : leaves linear, tipped with a bristle, and fringed at the edges : pe- 

 tals sometimes present, very short, white, generally wanting. Annual : 

 flowers from May to August : grows in dry, gravelly, or sandy places, 

 on walls, rocks, &c. : common. Eng. Bot. vol. xiii. pi. 881. Eng. Fl. 

 vol. i. p. 240. 281. 



20. MGE'NCHIA. MCKNCHIA. 



Calyx inferior, four-leaved. Petals four, lance-shaped, pointed, 

 converging, permanent. Filaments hair-like, ascending, shorter 

 than the petals ; anthers roundish, two-lobed. Germen superior, 

 egg-shaped. Styles very short, spreading ; stigmas obtuse, downy. 

 Capsule cylindrical, one-celled, one-valved. Seeds numerous, kid- 

 ney-shaped, stalked, and attached to a common receptacle. 

 Named after Conrad Mcench. 83. 



1. S. erf eta. Upright Manchia, Least Stichwort. rRoot fibrous: 



stems erect, three or four inches high, round, leafy : leaves opposite, 



