PINK FAMILY. 77 



# # * * Calyx not inflated ; petals crowned. Weeds or cult. (D () 



- Smooth, a part of each of the upper joint of stems glutinous ; flowers 



small. 



S. Armenia, Linn. SWEET WILLIAM C. Stem about 1 high ; flowers 

 showy in flat-topped cymes ; calyx slender, club-shaped ; petals notched, 

 bright pink, or a white variety, opening only in sunshine ; leaves lance- 

 ovate, glaucous. Eu. Cult, and escaped. 



S. compdcta, Fischer. 12'-18' high; flowers in dense cymes (almost 

 fascicled) ; petals with an obovate, entire, or erose limb, (g) Cult, from 

 Caucasus. 



S. antirrhina, Linn. SLEEPY C. Stem slender, 8'-30' high, rather 

 simple ; flowers very small, panicled ; calyx ovoid ; petals rose-color, ob- 

 cordate, opening only at midday in sunshine ; leaves lanceolate or linear. 

 Dry soil ; common. 



H- -- All over sticky-hairy ; naturalized from Eu. 



S. noctiflbra, Linn. NIGHT-FLOWERING C. Tall coarse weed in cult, or 

 waste grounds ; lower leaves spatulate, upper lanceolate and pointed ; 

 flowers single or in loose clusters terminating the branches, with awl- 

 shaped calyx-teeth and white or pale rosy 2-parted petals, opening at night- 

 fall or in cloudy weather. 



6. ARENARIA, SAND WORT. (Latin : sand, in which several species 

 grow.) Plants of various habit, usually low and tufted. All the follow- 

 ing are wild, also some others less common. Flowers spring and sum- 

 mer. (Lessons, Figs. 215, 331,. 332.) 



* Petals inconspicuous, white. 



A. serpyllifblia, Linn. 2'-6' high ; stems erect, roughish, much branched ; 

 leaves ovate, pointed ; flowers in leafy cymes ; petals scarcely longer than 

 the 3-5-nerved pointed sepals. Sandy or gravelly waste places. Eu. 



A. diffusa, Ell. SPREADING S. Plant soft-downy ; stems diffusely 

 branched, prostrate, 1 or more long ; leaves lanceolate ; peduncles lat- 

 eral, 1-flowered ; petals shorter than the sepals or none. 2/ Shady 

 grounds S. 



* * Petals conspicuous, longer than the calyx, white. 2/ 

 i- Leaves small, rigid, awl-shaped or bristle-shaped ; 3 '-6' high. 



A. Caroliniana, Walt, (or A. SQUARR6SA). PINE-BARREN S. Densely 

 tufted from a deep root ; leaves imbricated but spreading, obscuring the 

 internodes ; sepals obtuse. In sand, coast of N. J. and S. 



A. Michatixii, Hook.f. Usually diffuse from a small root; inter- 

 nodes evident ; leaves with many others, clustered in the axils ; sepals 

 acute. Rocks and wooded banks N. and W. 



+- -i- Leaves soft and herbaceous, filiform-linear ; petals refuse or notched. 



A. patula, Michx. Minutely pubescent, diffusely branched filiform 

 stems, 6'-10' long ; sepals lanceolate, acuminate, 3-5-nerved. Va., W. 



-i- -t- -- Leaves oval, oblong, or ovate. 



A. laterifldra, Linn. SIDE-FLOWERING S. Plant minutely downy ; 

 stem erect, 3'-10' high, sparingly branching; peduncles few-flowered, 

 soon becoming lateral by the farther growth of the leafy stem ; leaves 

 oval or oblong. Gravelly shores and banks, N. and W. 



A. peploldes, Linn. SEA S. 6'-10' high ; leaves very fleshy, ovate ; 

 flowers axillary. Sands of seashore N . 



