36 CARYOPHYLLE.E. 



rise id-pubescent: leaves semiterete, linear-subulate, acute, dften longer 

 than the internodes (1 2 in.); stipules ovate-triangular, 2 lines long: 

 pedicels % in. long or more, subtended by leafy bracts often nearly as 

 long: sepals % in. long, with narrow scarious margins: petals as long, 

 lilac : capsule ovoid, about equalling the calyx : seeds triquetrous-obovate, 

 smooth, dark-brown, with a very narrow or sometimes obsolete scarious 

 wing. Maritime only, and common in sandy soil along the borders of 

 salt marshes. April Dec. 



3. T. lencantha, Greene. Habit of the preceding, but glabrous ex- 

 cept a glandular pubescence on the more ample and loosely dichotomous 

 inflorescence; branches more or less distinctly quadrangular: leaves 

 linear, acute, little exceeding the internodes (1 in. or. more); stipules 

 deltoid-ovate, acuminate, 23 lines long: pedicels 1 in. long or more, at 

 length abruptly deflexed, subtended by reduced and linear-subulate 

 bracts: sepals 2 3 lines long, with broad scarious margins: corolla % in. 

 broad or more, pure white: filaments broadly subulate and almost peta- 

 loid: apex of capsule exserted, distinctly triquetrous: seed brown, smooth, 

 of round-obovate outline and with a broad scarious wing. Confined to 

 clayey subsaline or alkaline plains of the interior; plentiful on the east- 

 ern side of the Livermore Valley. March May. 



H -i Internodes short; axillary leaf-fascicles conspicuous. 



3. T. palUda, Greene. Prostrate, diffusely branching and densely 

 cespitose, the geniculate stems stoutish below, often naked an cf appearing 

 suffrutescent; herbage pale, densely pubescent and very viscid: primary 

 leaves oblong-linear, very acute, }& in. long or more; those of the 

 fascicles shorter and relatively broader; stipules ovate-acuminate, often 

 4 5 lines long: fl. either scattered singly on short branchlets, or in re- 

 diiced terminal cymes: pedicels % in. long: calyx % i n - long: petals lilac: 

 capsule equalling the calyx: seeds obliquely orbicular, light brown, very 

 smooth, broadly margined. On high and dry clayey bluffs overhanging 

 the ocean in San Francisco Co., also in Marin. April July. 



4. T. Cleveland, Greene. Prostrate, slender, very diffuse, forming 

 deep green mats % ljft. broad; herbage pubescent but only slightly 

 viscid: leaves narrowly linear, the fascicled ones subulate, all equalling 

 or exceeding the internodes: fl. in terminal cymes only, small (^ in, 

 broad), pure white. Only on high and dry sandy ground, back from the 

 sea-bluffs. April June. 



* * Annuals; flowers usually lilac or lavender-color. 



5. T. RUBRA. (L.), Britt. Stems slender, terete, prostrate, a few inches 

 long, glabrous below, pubescent and more or less glandular above; 



