120 



FIG 51. 

 Fig. 51. Hairs acting against unbidden guests. 1, Arctntlaphylos uvayursi; 

 2, section of flower of Centranthus ruber, cut lengthwise ; 3, cross-section of 

 flower; 1, part of flower of tulip (T sylveetrii); 5, Cobaea seandens, showing 

 hairs near base; 6, hairs on pistil of Daphne blagayana; 1, Lonicera.al'pigend; 

 8. yinra tierbacea; 9-10, stamen and pistil of the same. (After Eerner von 

 Marilaun.) 



