93 



313. Enlarged model of the seed of yew (Taxus bac- 

 cata, L.) 9 with bracts (termed " calice persistant " on the 

 model) . 



Made by Montaudon (late Dr. Auzoux). Paris. 

 E. 8. 1891. 



The red arillus opens, as also does the seed itself, disclosing 

 the emhryo and endosperm (marked " perisperme.") 



314. Enlarged model of the flower of comfrey (Sym- 

 phytum officinale). 



Made by Montaudon (late Dr. Auzoux), Paris. 

 E. 16. 1891. 



The corolla can be removed and then opens on a hinge, 

 disclosing the ligules and stamens. The calyx and pistil remain 

 behind, and the former opens to show the bicarpellary ovary, 

 which is four-lobed and contains four seeds. 



315. Enlarged model of the male flower of the melon 

 (Gucumis Melo). 



Made by Montaudon (late Dr. Auzoux), Paris. 

 E. 6. 1889. 



One half of the flower is mounted on a hinge, so that it can 

 be opened to show the interior. 



316. Enlarged model of the female flower of the 

 melon (Cucumis Melo). 



Made by Montaudon (late Dr. Auzoux), Paris. 

 E. 7. 1889. 



One half of the perianth is hinged, and can be opened to 

 show the interior of the flower ; a third part of the ovarian 

 wall also swings out of place, exhibiting the ovules in the 

 interior, and a transverse section of the ovary may also be 

 seen. 



317. Enlarged model of the flower of the garden 

 rampion (Campanula Eapunculus). 



Made by Montaudon (late Dr. Auzoux) , Paris. 

 E. 2. 1889. 



One side of the perianth swings out upon a hinge, showing 

 the interior of the flower and of the ovary. One of the stamens 

 can be taken out to show the base of the style. Half the corolla 

 is also movable from the calyx. 



o 67986. G 



