34 



CARYOPHYLLACEAE. 

 9 



[Vol.. II. 



Arenaria Texana (Robinson) Britton. 

 Texas Sandwort. (Fig. 1507.) 



Arenaria stricta Texana Robinson; Britton, Mem. 

 Torr. Club, 5: 152. 1894. 



Similar to the preceding species but lower, 

 stiffer, pale green, stems erect, 4 / -7 / tall, simple 

 up to the inflorescence, conspicuously thickened 

 at the nodes, the internodcs mostly very short. 

 Leaves subulate, stiff, 3 // -6 // long, strongly con- 

 nate, with numerous minute or similar ones fas- 

 cicled in their axils; cymes small, rather few- 

 flowered, compact or rather loose; pedicels rarely 

 more than 8" long; flowers 4 // -5 // broad; calyx 

 narrowly conic in fruit; sepals narrowly lanceo- 

 late, strongly 3-ribbed, long-acuminate, 2" long, 

 longer than the capsule. 



In dry, rocky soil, Kansas and Missouri to Texas. 

 June-July. 



10. Arenaria patula Michx. Pitcher's 

 Sandwort. (Fig. 1508.) 



Arenaria patula Michx. Fl. Bor. Am. i: 273. 1803. 



Arenaria Pi/chert Nutt.; T. & G. Fl. N. A. x: 180. 

 1838. 



Annual, branched from the base, slender or even 

 filiform, erect or ascending, 4 / -io / high, finely 

 pubescent or glabrous. Leaves soft, herbaceous, 

 linear-filiform, 4 // -i2 // long, %" wide or less, ob- 

 tuse or acutish; cyme terminal, several-flowered, 

 diffuse; pedicels slender; sepals lanceolate, acumi- 

 nate, 3-5-ncrved, about half the length of the 

 emarginate petals and equalling the pod; seeds 

 rough. 



In open, dry places, Kentucky to Illinois and Kan- 

 sas, south to Alabama, Tennessee and Texas. April- 

 May. 



ii. Arenaria Groenlandica (Retz) 



Spreng. Mountain Sandwort or 



Starwort. (Fig. 1509.) 



Slellaria Groenlandica Retz, Fl. Scand. Ed. 2, 107. 



1795- 

 Arenaria Groenlandica Spreng. Syst. 2: 402. 1825. 



Perennial from a slender rootstock, densely 

 tufted, glabrous, flowering stems slender, 2 / -5 / 

 high; leaves linear-filiform, the upper distant, the 

 lower matted, 3"-6" long; cyme terminal, several- 

 flowered; pedicels 2 // -6 // long, filiform; flowers 

 4 // -6 // broad; sepals oblong, obtuse, scarious-mar- 

 gined, nerveless; half the length of the entire or 

 retuse petals and shorter than the oblong pod; 

 seeds compressed, smooth. 



On dry rocks, Labrador and Greenland to northern 

 New York, Connecticut, the mountains of southern 

 New York and Pennsylvania, and on the higher Alle- 

 ghanies of Virginia and North Carolina. June-Sept. 



