:288 FLORA OF TEXAS. 



** Stem naked, scape like. 



S. ViRGiNiENSis, Michx. Pubescent; leaves somewhat 

 fleshy, obovate, crenately or sharply toothed, abruptly con- 

 tracted into a slender petiole ; scape slender; panicle loosely 

 flowered ; sepals spreading, half as long as the lanceolate- 

 oblong, white, faintly-spotted petals; filaments filiform. 



Saxifraga (Micranthis) Texana, Buckley. Leaves all 

 radical, glandular pubescent, obovate, entire, shortly and 

 broadly petiolate ; stem simple, slightly pubescent ; bracts 

 linear or subspathulate ; floivers cymose paniculate ; sepals 

 ovate, subacute; petals spathulate-obovate, little longer 

 than the calyx. Stems 4-6 inches high ; leaves nearly ses- 

 sile, and, including petiole, J-1 inch long, obtuse, and 

 about an inch wide. 



TIARELLA, L. False Mitrewort. 



Calyx campanulate, nearly free from the ovary, 5-parted ; 

 petals 5, entire; sta7ne7is 10; styles 2; capsule membrana- 

 ceous, 2-valved, the valves very unequal, 1-celled, few- 

 seeded; seeds globular, smooth. — Perennial JierhSy with 

 scape-like stems, chiefly radical and petioled leaves, and 

 small racemose floiuers. 



T. cordifolia, L. Leaves round-cordate, crenately or 

 acutely lobed and toothed, hairy above, pubescent beneath, 

 on long hairy petioles; scape (6-12' high) naked, or bear- 

 ing 1-2 alternate leaves above the middle ; racemes simple 

 or branched, many-flowered ; petals oblong, white or pur- 

 plish. 



MITELLA, Tourn. Mitrewort. 



Calyx coherent with the base of the ovary, 5-cleft; petals 

 5, pinnatifid; stamens 10; styles 2; capsule 2-beaked, 

 1-celled, 2-valved at the apex, many-seeded; seeds smooth, 



