GENERA OR FAMILIES. 169 



ft Stamens included ; corolla regular. 



(213) Lithospermum corolla funnel-shaped; nuts smooth or 



tubercular, stony. 



** Corolla tube closed with scales at the orifice. 

 f Scales of the corolla subulate. 



(214) Borago corolla rotate ; stamens exserted ; filaments bifid, 



the inner fork bearing the anther ; anthers connivent into 

 a cone. 



tt Scales of the corolla obtuse, concave. 

 % Corolla funnel-shaped. 



(215) Lycopsis tube of the corolla doubly curved ; the limb 



oblique. 



(216) Anchusa tube of the corolla straight. 



JJ Corolla hypocrateriform. 



(217) Myosotis corolla salver-shaped, with a straight tube ; 



nuts ovate, compressed, smooth. 



(218) Cynoglossum corolla salver-shaped, with a straight tube; 



nuts roundish-ovate, depressed, muricated. 



49. Labiate Plants. LABIATE. 



* Stamens two. 



(219) Salvia calyx tubular, two-lipped ; corolla ringent ; anthers 

 one-celled with a lengthened connective. 



(220) Lycopus calyx five-cleft ; corolla nearly equal ; anthers 



two-celled. 



** Stamens four. 

 t Upper stamens longer than the lower, 



(221) Nepeta calyx five-toothed ; corolla ringent, the upper lip 



flat, straight, emarginate or bifid. 



