of the thyrsiform flowering summit of the stem, the size 

 of which far exceeds the dimensions of even a quarto 

 plate. 



Descr. — A branching, soft-wooded shrub, rough with 

 scattered short hairs on the branches and leaves, and with 

 gland-tipped hairs on the inflorescence; branches quad- 

 rangular, green. Leaves six to eight inches long, sessile, 

 elliptic-lanceolate, acuminate, serrulate, panduriform in the 

 lower fourth, with an orbicular, cordate base, bright green 

 above, with pale rosy-white bands, of a lucid, satiny lustre 

 between the nerves ; rose-purple beneath, especially in a 

 young state, with twelve to fifteen pairs of strong, arching 

 nerves and cross-nervules. Inflorescence of erect spikes 

 leafy at the base ; flowers crowded, an inch and a half 

 long; bracts one-eighth to one-fourth of an inch long, 

 broadly ovate, acuminate, green, spreading, persistent. 

 Calyx one-third of an inch long, unequally 5-lobed to the 

 middle ; lobes linear, obtuse. Corolla gently curved, one 

 to one and a quarter inch long, gradually dilated and 

 ventricose from a short narrow tube, pale violet-blue, with 

 a white ventral keel ; limb three-fourths of an inch across 

 the mouth ; lobes five, very short, broader than long, 

 revolute. Stamens included, two with perfect anthers ; 

 two much shorter, with imperfect anthers; filaments 

 glabrous. Ovary oblong; style filiform, glabrous.— 



•* Fl f' J i 1, C ^y x and bracteoles ; 2, portion of base of corolla and stamens; 

 «J and 4, perfect anthers ; 5, ovary ;-All enlarged. 



