22 COMMON CANADIAN WILD PLANTS. 



2. S. antirrhi'na, L. (SLEEPY C.) Stem slender, simple or 

 slightly branching above, a portion of the upper inteniodi-.s 

 sticky. Leaves linear or lanceolate. Flowers small, pink <r 

 purplish, opening only for a short time in sunshine. Calyx 

 ovoid, shining. Dry soil. 



3. S. noctifio'ra, L. (NIGHT-FLOWERING CATCHFLY. ) Stems 

 very sticky, pubescent. Lower leaves spathulate, upper lanceo- 

 late. Flowers few, peduncled. Calyx-tube with awl-shaped 

 teeth. Petals white or whitish, 2-parted. Opening only at night 

 or in cloudy weather. A very common weed in cultivated 

 grouds. 



4. S. Virgin'ica, L. (FiRE PINK.) Occurs in south-western 

 Ontario, and may be recognized by its crimson petals, and bell- 

 shaped calyx, nodding in fruit. 



3. liYCH'NlS, Tourn. COCKLE. 



L. Githa'gO, Lam. (CORN COCKLE.) Plant clothed with long 

 soft appressecl hairs. Calyx-lobes extremely long, very much like 

 the upper leaves, surpassing the purple 2?etals. Wheat-fields. 



4. ARENA/HI A, L. SANDWORT. 



1. A. serpyllifolia, L. (THYME- HEAVED S.) Much branched, 

 2-6 inches high, roughish-pubescent. Leaves small, ovate, acute. 

 Petals white, hardly as long as the sepals. Sepals pointed, 3-5- 

 nerved. Pod pointed, 6-toothed. Sandy fields. 



2. A. Stricta, Michx. (A. Michauxii, Hook., in Macoun's 

 Catalogue.) Stems erect, or diffusely spreading from a small 

 root. Leaves awl-shaped or bristle form, the upper ones reduced 

 to 1 -nerved bracts, crowded in the axils. Cyme diffuse, many- 

 flowered. Sepals pointed, 3-rlbbed, half as long as the white 

 petals. Rocky fields. 



3. A. lateriflo'ra, L. Stem erect, slender, minutely pubes- 

 cent. Leaves oval or oblong, -1 inch long. Peduncles usually 

 three-flowered. Sepals obtuse. Petals white, large, twice as 

 long as the sepals. Flower ^ of an inch across when fully 

 expanded. Gravelly shores. 



4. A. peploi'des, L., with very flc&ky *t<:.ni* and lcai\*, tin- 

 latter somewhat clasping, occurs eastward towards the sea-coast. 



