74 



PART I. — ORGANOGRAPHY. 



the Potato, Fig. 217 ; campanulate, or bell-shaped, when shaped 

 like the Harebell, Fig. 218 ; urceolate, when oblong or globular, 

 with the mouth somewhat contracted, as in the flower of the 



Fig. 217 



Fig. 219. 



Fig. 220. 



Fig. 217. — Flower of Potato, illustrating rotate corolla. 



Fig. 218. — Flower of Harebell, illustrating campanulate corolla. 



Fig. 2ig. — Flower of Wintergreen, illustrating arceolate corolla. 



Fig. 220. — Flower of Morning-glory, illustrating infundibuliform corolla. 



Wintergreen, Fig. 219; infundibuliform, ox funnel-shaped, when 

 it flares like a funnel, as in the Morning-glory, Fig. 220; hypo- 

 crateriform, or salver-shaped, when the slender, tubular portion 

 is crowned by a limb expanded at right angles to it, as in Phlox, 



Fig. 221. 



Fig. 222. Fig. 223. 



Fig. 224. 



Fig. 225. 



Fig. 221. — Flower of Phlox, illustrating hypocrateriform corolla. 



Fig. 222. — Flower of Spigelia, illustrating tubular corolla. 



Fig. 223. — Flower of Crysanthemum, one of the Compositae, illustrating a ligulate 

 corolla. 



Fig. 224. — Bi-labiate flower of Sage. The corolla is also ringent. 



Fig. 225. — Personate corolla of Linaria vulgaris. The corolla is also calcarate at the 

 base. The thickening, a, is called the palate. 



Fig. 221 ; tubular, when the limb is small or scarcely spreading, 

 and the tube is elongated, as in the flower of Spigelia, Fig. 222 ; 

 ligulate, when, as in Fig. 223, the lower portion is tubular, but 

 the upper flattened and strap-shaped ; bilabiate, when, as in the 

 flower of the Deadnettle and Sage, Fig. 224, there are two lips ; it 



