























ANATOMY, AND LIFE-HISTORY OF THE CONIFER-ffi. 



317 







are erect, appressed, and somewhat conduplicate or involute, the 

 posterior edge of one united below with the posterior edge of the 



F 



X-2 





Fig. 24. 



- Details from a prolified cone of the Douglas Fir. a, normal bract ; n, 

 the same, seen from the side, attached to the scale at the base ; c, bract 

 and seed-scale, from the outside ; d, bract from a proliferous cone passing 

 into leaf j condition ; in e, f the bract is completely leafy, e seen from the 

 outside, p from the inside. 









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other to form a sheath surrounding the bud. They may be con- 

 sidered as leaves or, as seems more probable, as wing-like pro- 

 jections from the axis (fig. 25). 



This malformation is similar to those described and figured by 

 Oersted *, by Stenzel. Willkomm, Eichler, and others, in which, 





* 

























* Oersted, I. e. tab. i. figs. 1-15. Stenzel in Nov. Act. Acad. Leopold.-Carol. 

 Band xxxviii. (1876) tab. 4. Willko 

 »i ii. Th. « 2, Halle, 1880, c. tab. 

 "*» Fichtenzapfi 



_ Leop 



Eichler, " Ueber Bitdungsabweichungen 















— j — «- -^ V j ^ — - — W 



— *--cui*nzapien," Sitzungsb. d. k. Akad. d. Wissenschaft. z. Berlin, January 

 1882 ; and « ttjitgegnimgauf Herrn L. Celakorsky's Kritik Ac./' in Sitzungsb.d. 



UNN. JOUBN. — BOTANY, VOL. XXVII. Z 









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