SCR0PHULAKINE7R. 603 



attentive study of minute characters. To the first of these belong the 

 Bignonias and Tecomas of our hothouses, as well as the Catalpa, often 

 planted in our gardens, and (if taken in its most extended sense) the 

 numerous hothouse Gesnerias, Gloxinias, Achimenes, etc. The Acan- 

 tliacece include Justicias, Buellias, and many modern hothouse genera 

 with long names, besides the European Acanthus, which gives its name 

 to the family. 



Corolla rotate or concave, with a very short tube. 



Stamens 2. Corolla 4-cleft, never yellow 9. Veeonica. 



Stamens 4 or more. 



Tall, coarse, erect plants. Stamens 5, often woolly . 1. Mullein. 

 Small or creeping plants. Stamens 4, glabrous. 

 Glabrous, almost stemless plant, with radical leaves 



and minute clustered flowers 6. Limosel. 



Slender, creeping, hairy plant, with orbicular, al- 

 ternate leaves, and axillary, stalked flowers . . 7. Sibthoepia. 

 Corolla with a distinct tube. 

 Tube of the corolla with a spur or protuberance at 

 the base, the mouth closed by a projecting palate. 



Tube of the corolla spurred 3. Linaeia. 



Tube of the corolla with a slight protuberance at the 



base , 2. Snapdeagon. 



Tube of the corolla straight at the base, the mouth open 

 (except in Melampyrum), 

 Calyx with 5 lobes or teeth, or 2 or 3 leafy jagged 

 lobes. 

 Corolla nearly globular, small, dingy, with 5 un- 

 equal lobes, not 2-lipped 4. Sceophulaeia. 



Corolla more than an inch long, with a broad tube, 

 and flat, spreading lobes. 

 Flowers red or white, in a long terminal spike. 



Leaves alternate 8. Foxglove. 



Flowers yellow, on axillary peduncles. Leaves 



opposite 5. Mimttltts. 



Corolla less than an inch long, the tube slender or 

 short. 

 Calyx inflated after flowering. Upper lip of the 



corolla laterally compressed 13. Pedicttlaeis. 



Calyx tubular or campanulate. Upper lip of the 

 corolla with two spreading lobes . . . . .11. Eyebeight. 

 Calyx with 4 lobes or teeth. 

 Upper lip of the corolla arched or with spreading 

 lobes. Anther-cells pointed at the lower 

 end. 

 Upper lip of the corolla nearly entire, arched or 



concave . . 10. Baetsia. 



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