382 THE KINDS OF PLANTS 



2. CYNOGLCSSUM. Hound's Tongue. Stick-tight. 



Tall, coarse, usually rough and unpleasantly scented hairy weeds, with 

 large entire alternate leaves: flowers small, inconspicuous, in racemes or 

 forked cymes, some bracted: corolla short, nearly wheel form, with Scon- 

 verging, blunt scales closing the throat: ovary deeply 4-parted, with style 

 from center: fruit of bur-like nutlets, covered with hooked prickles. 



C. oKicin&le. Linn. A coarse, pubescent, troublesome dock-like weed 

 from Europe, dull green, smelling like mice, grows to 1 or 2 ft., leafy to 

 the top: leaves softlj' pubescent, lance-oblong, mostly sessile: corolla dull 

 reddish-purple, not K in. across: nutlets margined. Biennial. 



C. Virginicum, Linn. Stem stout, 2 to 3 feet tall, bristly hairy, leafless 

 above: leaves oblong oval with clasping bases; flowers pale blue, bractless, 

 on short pedicels in terminal short spikes: nutlets not margined. Peren- 

 nial. 



3. ECHINOSPfiKMUM. Stick-seed. Bur-seed. 



Anniial or biennial weeds in dry soils, grayish with hairs: leaves alter- 

 nate, narrow, entire: flowers small, blue or white, in terminal, leufy- 

 bracted racemes: corolla with 5 scales in throat: nutlets erect, bearing 1 to 

 3 rows of stout prickles, and fixed by side to the central column. 



E. Virginicum, Lehm. A troublesome biennial or annual weed of thick- 

 ets and open woods, 2 to 4 ft., slender and branching: leaves thin, oblong- 

 ovate, tapering at both ends: flowers small, whitish or bluish, on pedicels, 

 in racemes 1 to 3 in. long, reflexing in fruit: nutlets small, globose, covered 

 with barbed prickles. 



4. MERTENSIA, Lungwort. 



Perennial, usually glabrous herbs, with leaves, entire, pale green and 

 often dotted, the radical ones many-veined and the stem leaves sessile: 

 flowers in tei'minal racemes: calyx short, 5-eleft: corolla funnel form or 

 trumpet-shape, often with 5 small folds in throat, and stamens inserted 

 between: style long and slender: nutlets erect, smooth, finely wrinkled. 



M. Virginica, DC. Leaves entire, obovate, sessile on stem: flowers large, 

 trumpet-shaped, 1 in. long, spreading or hanging on slender pedicels, light 

 blue or pinkish: corolla throat not crested, limb entire. Perennial. Rich 

 soil. May, June. 



5. MYOSdTIS. Forget-me-not. 



Low, usually villous herbs, with stems erect or reclining, branching: 

 leaves small, alternate, entire: flowers small in bractless racemes: corolla 

 salver-form, 5-lobed, lobes spreading, rounded with appendages at base: 

 nutlets smooth or hard, fixed by base. Several species. 



M. paliistris. With. True forget-me-not. A favorite garden-plant intro- 

 duced from Europe, but also escaped to field and moist spots: racemes 

 1-sided: leaves lance-oblong, obtuse: calyx open in fruit, the lobes shorter 

 than the tube: corolla light-blue, with yellow center. Perennial, native. 



