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A TEXTBOOK OF THEORETICAL BOTANY 



Fig. 1867. — Loiiicera pericly>n?niini. 

 Inflorescence. 



Honeysuckle. 



Diervilla, species of which are cultivated in gardens under the name of 

 Weigelia; Lonicera, which includes L. periclymemim (Honeysuckle); and 

 Leycesteria. 



Fig. 1868. — VibiiniiiDi tomentosiim. Umbellate inflores- 

 cence with enlarged, sterile, irregular flowers. See 

 also Fig. 1089 and reference there in text. 



In addition we may mention Linnaea borealis, a creeping plant of the 

 north temperate regions, named after Linnaeus. 



The inflorescence varies; in Leycesteria formosa (Fig. 1869) it is cymose; 

 in Lonicera the central flower is often suppressed, while in Symphoricarpus 

 and Diervilla the inflorescence appears to be a spike or raceme. The 

 flowers are insect-pollinated and many possess conspicuous white corollas 

 which are often strongly scented at night and are attractive to night-flying 



