18 



PRINCIPLES OF PLANT-TERATOLOGY. 



of Equisetum maximum, whose apex had been injured 

 by frost, as a result of which several lateral cones 

 were produced, giving the whole a very striking- 

 appearance. 



Velenovsky describes a short-shoot as occurring in 

 the axil of a " bract " of a larch-cone, and replacing 

 the o villiferous scale ; this shoot bore a number of 

 spirally-arranged fleshy ovuliferous scales. 



Fig. 65. — Bellis perennis (Double Daisy). Long-stalked secondary 

 capitula in axils of involucral bracts. (G. Massee photo.) 



Fermond mentions the occurrence in Taxodium 

 distiehum of a secondary female cone in the axil of a 

 .scale of the primary one. 



In the maize-cob lateral secondary cobs may arise 

 in the axils of the basal bracts or even somewhat 

 higher, giving rise to the variety polystachya. 



Many-flowered tulips are due to extra flowers 

 arising in the axils of the bracts or bracteoles on the 

 peduncle. 



In the daisy (Bellis perennis) secondary heads were 



