90 Borraginaceae 



Calyx with alternating teeth. Nutlets tubercled. 



*Asperugo. 



Calyx without alternating teeth. Nutlets with bristly 



rim. *Lappula. 



Tribe 3. Anchuseae. Axis nearly flat. Nutlets with 

 concave surface of insertion which is often surrounded 

 by a ring. 



a. Corolla with hollow scales. 



Corolla tubular, 5-toothed, hollow scales linear, anthers 

 included, without appendages. Symphytum. 



Corolla rotate, hollow scales short. Filaments with 

 dorsal appendages. Anthers exserted, conniving to form 

 a cone. Borrago. 



Corolla salver-shaped, hollow scales short. Stamens 

 included, with no appendages. 



Anchusa (including Lycopsis). 



b. Corolla without hollow scales. Pulmonaria. 



Tribe 4. Lithospermeae. Nutlets erect with small 

 flat surface of insertion. 



No calyx-tube. Corolla imbricate in bud. Stamens 

 included. Nutlets stony. Lithospermum. 



Calyx-tube short. Corolla imbricate in bud. Sta- 

 mens protruding. Nutlets soft. Mertensia. 



Calyx-tube long. Corolla twisted in bud. Nutlets 

 smooth. Myosotis. 



Tribe 5. Echieae. Flowers zygomorphic. Corolla 

 usually without scales. 



Only genus (Calyx regular) : Echium. 



Suborder 3. Verbenineae. Z^^z/^.s- mostly opposite 

 or whorled. Flowers mostly zygomorphic. Each carpel 



