PENTANDRIA. 61 



solitary, stalked. CnL segments 3-fid. Petals white, oblong, dif- 

 fering 'much in habit from Linum, where Decandolle still places it. 



V. PENTANDRIA. 



1. MONOGYNIA. 



* Flowers monopetalous, inferior^ with 4 (apparently} naked seeds. 



10. ECHIUM. Cor. irregular, its orifice open and naked. Stig- 

 ma bipartite. 



5. PULMONARIA. Cal. prismatic, 5- cleft. Cor. infundibuli- 

 form, its orifice naked. 



2. LITHOSPERMUM. Cal. 5-partite. Cor. infundibuliform, its 

 orifice naked. 



6. SYMPHYTUM. Cal. 5-cleft. Cor. ventricose, its orifice 

 closed with connivent subulate scales. 



7. BORAGO. Cal. 5-cleft. Cor. rotate, having at its orifice 

 5 obtuse emarginate teeth. 



9. LYCOPSIS. Cal. 5-cleft. Cor. infundibuliform, with an in- 



curved tube, its orifice closed with convex connivent scales. 

 S. ASPERUGO. Cal. 5-cleft, unequal, with alternate smaller 



teeth. Cor. (short) infundibuliform, its orifice closed with 



convex connivent scales. Seeds (or Nuts) covered with the 



conduplicate and compressed cal. 

 4. CYKOGLOSSUM. Cal. 5-cleft. Cor. (short) infundibuliform, 



its orifice closed with convex connivent scales. Seeds (or 



Nuts) depressed, fixed to the style by their inner margin. 

 3. ANCHUSA. Cal. 5-cleft, or 5-partite. Cor. infundibuli- 



form, its orifice closed with convex connivent scales. Seeds 



(or N2ils) hollowed out at the base. 

 1. MYOSOTIS. Cal. 5-cleft. Cor. hypocrateriform, the seg- 



ments very obtuse, its orifice closed with short connivent 



scales. 



a The following arrangement of the Genera of the Scotch Asperifolia is 

 after one by Lehmann in his Plant. Fam. Asperif. They have all 



Four distinct \-celled Nuts. 



A. Nuts fixed to the bottom of the Cal. 



* Nuts imperforate at the base. 



f Orifice of the Cor. naked. 



Pulmonaria, 5. Lithospermum, 2. Echium, 10. 

 ff Orifice of the Cor. closed ivith scales. 



Myosotis, 1. Borago, 7- 

 ** Nuts perforated at the base (orifice of the Cor. closed with scales'). 



Anchusa, 3. Lycopsis, 9. Symphytum, 6. 

 B. Nuts fixed to a central column (imperforate at the base, orifice of the Cor. 



closed ivith scales). 

 Asrerugo, 8. Cynoglossum, 4. 



