1 4-6 FLO WER-LAND. 



When the capsule opens across the top like the lid 

 of a box, it is called a pyxidium * (transverse de- 

 hiscence p. 141). Look for the pretty little pimpernel 

 (Anagallis) for a good example of 

 the pyxidium, or you find it in the 

 fruit of the henbane (Hyoscyamus) 

 (Fig. 130). Compare also the 

 capsule of the common plantain 

 (Plantago). 



Fig. 130. Pyxidium 



of Henbane (Hyo- The pore capsule (Fig. 122, p. 141) 



*rawf)-4thel&|tt'j 



dissepiment ; s, seeds, you know very well, I expect, in 



the poppy or the snapdragon (Antirrhinum}. 



II. Dry and Indehiscent fruits (generally one- 

 seeded). 



(1) Theac/iene"\ is a superior one-seeded simple fruit 

 or fruitlet of an apocarpous (compound) fruit, with a 



^in pericarp ; the fruit of the butter- 

 _jj cup is a good example. 



The fruitlets inside the pseudocarp 

 B of the wild rose and those on the 



Fig. 131. ^ Flower of outside of the pseudocarp of the 



K\n(Ulmuscampestris); straw berry are also achenes. (Cf. 



d, bract ; p, perianth ; * 



a, stamens. , fruit caryopsis, cypsela^ samara (Fig. 



(samara) ; /", achene with 



m membranous margin. 131, ^ Appendix C.) 



(2) The nut is truly a syncarpous (compound) fruit, 

 generally one-seeded, and, when ripe, it has a hard, 



* From the Latin "pyxis" a box. 



t From the Greek "#," not, and " kaino" I open. 



