KET. 175 



379. Nutlets erect, tubercled at the back, their margins 

 beset with barbed prickles. Corolla salver-formed. Flowers 

 small, blue, in bracted racemes. 



Echinospermiuu Iiappula, L. 

 Nutlets oblique or depressed, roughened all over 

 with short, barbed or hooked prickles. Corolla funnel-form. 

 Herbs with a strong, unpleasant scent. Flowers blue, pur- 

 ple, or white, in bracted or bractless racemes. 



Cynoglossum. 



380. Nutlets hollowed out at the base. Throat of the 

 corolla closed with 5 scales ; its tube enlarged, and often 

 much incurved 381 



Nutlets not hollowed out at the base. Throat of 

 the corolla naked, or with folds rather than scales ; its tube 

 straight 382 



381. Nutlets rough- wrinkled. Scales in the throat of 

 the corolla blunt, oval, hairy ; the tube funnel-form, much 

 incurved. Iiycopsis arvensis, L. 



Nutlets smooth. Scales in the throat of the tubu- 

 lar-bell-shaped and nearly straight corolla awl-shaped. 



Symphytiun officinale, L. 



383. Nutlets fleshy, when fresh, at length wrinkled. 



Corolla purple or blue, rarely whitish; tube cylindric ; 



lobes roimded ; throat open, naked, or with small glandular 



folds. Mertensia. 



Nutlets not fleshy. Corolla rarely blue 383 



383. Anthers sagittate or linear-oblong, mucronatc, ses- 

 sile in the naked throat of the corolla. Style much exserted. 

 Calyx-lobes linear. Corolla-limb ventricose ; its lobes con- 

 verging. Nutlets bony. Onosmodimn. 



Anthers not sagittate. Corolla with the throat 

 closed by folds, and the tube funnel-foi-m, or salver-shaped. 



384 



384. Calyx 5-parted. Nutlets bony. Racemes bracted. 

 Flowers white, or yellow. Corolla-lobes imbricated in the 

 bud. Iiithospermuin. 



Calyx 5-cleft. Nutlets not bony. Racemes bract- 

 less. Flowers mostly blue, rarely white. Corolla-lobes con- 

 volute in the bud. i Myosotis. 



