PuAKGER — The Buoyancy of the Seeds of some Britannic Plants. 61 



Fresh. 



Dry. 



Fresh. 



Dry. 



Hypericum elatum, 

 Ilex Aqmfolium, 

 Sarothamnus scoparius, 

 Alchemilla alpina, . 

 Dryas octopetala, . 

 Rosa spinosissima, . 



canina, 



eglanteria, 

 Crataegus Oxyacantha, 

 Sedum Telephium, . 

 Saxifraga umbrosa, 



Geum, 

 Viscum album, 

 Artemisia maritima, 

 Achillea Millefolium, 

 Daboecia cantabrica, 

 Erica mediterranea, 



ciliaris, 



Tetralix, . 



Mackaii, . 

 Calluna vulgaris. 

 Arbutus TJnedo, 

 Limonium binervosum, 

 Ligustrum vulgare, 

 Solanum Dulcamara, 

 Antirrhinum majus, 

 Euphorbia Peplus, . 

 Tasus baccata. 



It will be seen that among these 29 plants, which include repre- 

 sentatives of 15 different Natural Orders, and also plants of very 

 different growth — herbs, shrubs, and trees — the effect of usiug branches 



1 Or dry indehiscent fruit. 

 SCIENT. PBOC. R.D.S., VOL. XIV., NO. III. t 



