82 



THE STRUCTURE OF FLOWERS. 



fusion of their respective cords will he found. If the members 

 arise freelj, as in Eatiunculacece and Cruciferce, then their cords 

 are inserted into the axis, having arisen by radial division 

 or lateral chorisis. 



In the case of the gynandrons pistil, the stamens have 

 their fibro-vascular cords more or less imbedded in the recep- 



Fig. 20. — Echium ; a, side view ; b, before, and c, after shedding pollen ; showing 



protuudry. 



tacular tube, or rather the common tissue resulting from the 

 fusion of the ovary and the tube together ; the anther then 

 stands on the summit, and if there be a short or no style, but 

 only the stigmas terminating the ovary, then the anther is in 

 close contact with it, as in Hippuris, Orchis, etc. When there 

 is a style, the filament may be prolonged in adhesion with it, 

 as in most orchids possessing the so-called column. It is not 



