FORMS OF -FRUITS. 89 
178. The pyzzs is the most curious and singular of all pods. 
It opens crosswise by a lid, like a snuff-box. Fig. 284 is the 
likeness of the pyxis of Rheumatism-root, common in Ohio. 
It is formed of one carpel only. Fig. 282 is the pyxis of 
Henbane, formed of two carpels. So the pyxis 
of Poor-man’s-weather-glass (Anagallis, Fig. 
344) is formed uf several carpels. 
Fig. 288. A follicle of Milkweed (Asclepias). 
Fig. 284. A pyxis,—fruit of Jeffersonia, the Rheumatism-root. 
Fig. 285. A pair of follicles,—the fruit of the Doghane (Apocynum). 
Fig. 286. A legume, open,—fruit of the Pea-plant. 
Fig. 287. A jointed legume, or loment,—fruit of Desmodium. 
Fig. 288. A silicle,—fruit of Shepherd’s-purse. 
179. Follicle is the name of such pods as those of Colum- 
bine (Fig. 208), Milkweed (Fig. 283), and of Dogbane (Fig. 
285). They are formed of a single carpel, and open length- 
wise, on one side only. It is easy to see the resemblance 
between the follicle and a leaf, the leaf being folded so as to 
bring its two margins together. (See Fig. 207.) 
180. Legume is the proper name of the Pea pod, Bean pod, 
&c., of one carpel, one cell, one row of seeds, and commonly 
178. Give the character of the pyxis. How does the pyxis of Henbane 
differ from that of Jeffersonia ? 
179. Can you describe and name the fruit of Columbine? How is its leafy 
character seen? 
180. Describe and name the Pea pod What is 2 loment? 
