; 3 ee a eee 
Oct. 7, 1886 | NATURE 551 
parthenogenesis ; 1 was, however, too much interested in | In December 1881 I removed to another house, but 
obtaining, first, the missing sex, in order to make sure before doing so I totally destroyed all my specimens 
what species of plant was the subject of my researches. | of D/sciphania, as I wished to begin my further investi- 
Fic. 13. Fic. 15. 
Disciphania Ernstii, Eich). (After Eichler.) 
placed against the wall of an inner court-yard, and 
there the plants were left to over-run the whole wall, 
which is 4°5 metres by 4. As soon as the flowers 
gations on two young plants which had not yet flowered. 
These I procured early in 1882, and, most fortunately, 
both proved to be females. I had some lattice-work 
