106 COMMON CANADIAN WILD PLANTS. 



* Corolla icith 5 scales completely closing the throat. 



2. Sym'phytum. Corolla tubular-funnel form with short spreading lulus 



xcaleg awl-xhaped. Flowers yellowish- white, in nodding r;uTin--liK' 

 ters, tlie latter often in pairs. Nutlets smooth. Coarse hairy herbs. 



3. Kchinosper'mum. Nutlets prickly on the margin. Corolla salver 



shaped, the lobes rounded ; scales short and blunt. Flowers blur, 

 small, in leafy-bracted racemes. Plant rough-hairy. 



4. Cynoglos'sutn. Nutlets prickly all over. Corolla funnel-form ; scales 



blunt. Flowers red-purple or pale blue, in racemes which are naked 

 above, but usually leafy-bracted below. Strong-scented coarse herbs. 



* * * Corolla open, the scales or folds not sufficient to completely close the 

 throat. Nutlets smooth. 



b. Oiiosmo'dium. Corolla tubular, the 5 lobes acute and erect or converg- 

 inij. Anthers mucronate ; filaments very short. Style thread-form, 

 much exserted. Flowers greenish or yellowish-white. Rather tall stout 

 plants, shaggy with spreading bristly hairs, or rough with short appressed 

 bristles. 



6. Litliosper'mum. Corolla funnel-form or salver-shaped, the 5 lobes of 



the spreading limb rounded. Anthers almost sessile. Root mostly red. 

 Flowers small and almost white, or large and deep yellow, scattered or 

 spiked and leafy-bracted. 



7. Myoso'tis. Corolla salver-shaped, with a very short tube, the lobes con- 



volute in the bud ; scales or appendages of the throat blunt and arching. 

 Flowers blue, in (so-called) racemes without bracts. Low plants, mostly 

 soft-hairy. 



1. E'CHIUM, Tourn. VIPER'S BUGLOSS. 



E. vulga're, L. (BLUE- WEED.) Stem erect, 2 feet high. 

 Leaves sessile, linear-lanceolate. Flowers showy, in lateral clus- 

 ters, the whole forming a long narrow raceme. Roadsides ; 

 common in eastern Ontario, and rapidly spreading westward. 



. SYM'PHYTUM, Tourn. CoMFREY. 



S. oficina'le, L. (CV.nrox COMFREY.) Stem winged above 

 by the decurrent bases < f the leaves, branched. Leaves ovate- 

 lancc-olate or lanceolate. Moist soil ; escaped from gardens. 



3. ECHIXOSPER'MUM, Swartz. SxiCKSEED. 



E. Lap'pula, L. Lehm. A very common roadside weed, 1-2 

 feet high, branching above. Leaves lanceolate, rough. Nutlets 

 warty on the back, with a double row of prickles on the margin. 



