GENERA OR FAMILIES. 



169 



tt 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. 

 X Corolla funnel-shaped. 



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



oblique. 



(216) Anchusa — tube of the corolla straight. 



Xt Corolla hypocrateriform. 



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



nuts ovate, compressed, smooth. 



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



nuts roundish-ovate, depressed, muricated. 



49. Labiate Plants. LABiATiE. 



* 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 Tipper stamens longer than the lower. 



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



flat, straight, emarginate or bifid. 



