SCROPHULARIACE^. 299 



This large family is divided into a number of tribes collected into three 

 series : — 



Series A. — Leaves all alternate : corolla with two upper lobes outside 

 the others in bud, e.g., verbascum Mullein, celsia. 



Series B. — Leaves at least the lower opposite : corolla with two upper 

 lobes (or lip) outside in bud, e.g., linaria Toadflax, antirrhinum 

 Snapdragon, mimulus Monkey-flower, ilysanthes. 



Series C. — Corolla with the lower or a lateral lobe outside in bud, 

 e.g., veronica Speedwell, scoparia, striga, sopubia, Euphrasia Eye- 

 bright, bartsia, pedicularis Red Rattle, lathr^a. 



r Leaves all alternate b 



\ Leaves opposite of slender segments : . /. 303. sopubia. 

 , r Stems erect c 



\ Stems weak and decumbent or creeping e 



f Flowers tubular hanging in a tall spike, Foxglove . . . 



C <( /. 301. DIGITALIS. 



j^ Flowers erect d 



f Leaves linear : corolla tube ^ inch narrow, bent ; lower 



, J lip spreading yellow /. 302. striga. 



j Leaves lobed or deeply crenulate : flowers i inch, pink 

 [ compressed laterally. Red Rattle, p. 305. pedicularis 

 f Flowers yeUow ; lips bag-shaped mouth closed . . . 



p. 299. calceolaria 



e -j Flowers blue flat : capsule two-lobed . ^.301. veronica 

 I Leaves entire, corolla distinctly two-lipped .... 



[ /. 300. ILLYSANTHES 



CALCEOLARIA. 103 m.* 



Well-known garden plants distinguished from all 

 others by the corolla having a short tube and tw^o bag- 

 shaped lips with closed mouth. 



Species 120 natives of western America especially of the 

 Andes from Magellan to Columbia and Mexico, but with two in 

 New Zealand. 



Calceolaria mcxicana Bentham ; III * l ; common 

 Slipper Flower. A naturalised garden plant, native of 

 Mexico, Guatemala and Costa Rica. 



Stems round, very flaccid and almost translucent, 

 smooth, thickly covered, as also the leaf-stalks and mar- 

 gins, with glandular hairs. Leaves all opposite : petioles 

 I inch joined across the axis at the base : blades pinnati- 

 sect into five to seven lobes ; these again coarsely and 

 irregularly toothed, covered on the upper side with white 



