36 CAKY0PHYLLE.2E. 



viscid-pubescent: leaves semiterete, linear-subulate, acute, often longer 

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

 pedicels % m- l° n g or more, subtended by leafy bracts often nearly as 

 long: sepals % m - l on g> ^i* Q 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. 



2. 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, 2—3 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 J^ in. 

 broad or more, pure whitt: 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. 



-i— •)— Internodes short; axillary leaf-fascicles conspicuous. 



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

 cespilose, the geniculate stems stoutish below, often naked and 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- 

 duced terminal cymes: pedicels J£ in. long: calyx }£ in. 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 % — l 1 ^ ft- 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 (J^ 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; 



