28 



COMPOUND INFLORESCENCES 



[CH. 



not arise from the axils of the bracts but from points 

 opposite to the latter (e.g. species of Drosera, Sedum, 

 Cynoglossuni), we may be sure that however like a raceme 

 the inflorescence is, its development will prove it to belong 

 to another type altogether i.e. the cymose type ; or, again, 

 if in what looks like a corymb, the central flowers open 

 before the outer ones, the inflorescence is not of the race- 

 mose type, and requires closer examination. 



In a few cases the bracts are not developed e.g. in 

 Crucifers and many Boragineae -and then the analysis 



B 



Fig. 9. A, a Pauicle or compound raceme; i.e. a Raceme of racemes. 

 B, a Panicle of spikes. 



may be diflicult until some experience has been gained, 

 and numerous forms compared. With such cases, however, 

 we are not here concerned further, and I only mention 



