4 PKOCEEDINGS OP THE 



This was followed by a paper entitled: — "On a Collection 

 of Non-Marine Mollu.sca from the Southern Sudan. Hy Jane 

 Lo>^GSTAFF, r.L.S. With Descriptions of Three New Species 

 by H. B. Pjrestox, F.Z.S. ; and Notes on Veronicella nilotica. 

 Cockerel), by G. C. Eobson, B.A." 



The paper, which was illustrated by lantern-slides and a profuse 

 display of specimens, was discussed by Prof. G. C. Bourne, Sec.L.S., 

 and Dr. LongstafF. 



Before explaining the salient features of his own paper, 

 Mr. A. S. HoKNE, B.Sc, alluded to an exhibition by Messrs. 

 James Veitcii & Sons, of the " cross-grafted plants," which 

 had been showu at the International Horticultural Show in 

 London in 1912, the following being the plants now on view : — 

 Athrotaxis Doniana grafted upon Cryjytomeria eli'gans, Aiicuba 

 jrtponica on Garrya eUijytien, Bentliamia fragifera on Conius Mas, 

 Cotoneaster jxtnnosa on Pyrus Aucuparia, Cratcegus Oxyacantha 

 on Cotoneaster Simonsii and on Baphiolepis japonica, Cratfpgus 

 Pyracantha on Photinia Benthamiana and on the quince, Cup>ressus 

 Laivsoniana and its variety Allumii on Thuya occidentalism Cytisus 

 snpinus on Lahurnimi vulgare, Eriohotrya japonica on the quince 

 and on Papliiolepis japonica, Hamamelis sp. on Parviotia 2)ersica, 

 Uippophae Ehamnoides on Ekeagnus aurea var. picta. Laburnum 

 vnl(/are on Cytisus prcecox, Libocedrus macrolepis on Thuya occi- 

 dentalism Ligustrum ovcdifolium var. elegccntissimum on Olea 

 fragrans, Olea fragrans on Osmanthus ilicifolius, Osmanthus ilici- 

 folius on Ligustrum ovalifolium, on Olea fragrans and on Phillyrea 

 tlicifolia, with its variegated form on Olea fragrans and on 

 Phillyrea ilicifolia, Osmanthus rotundifoli^is on Phillyrea ilicifolia, 

 the latter on Ligustrum ovalifolium, Osmanthus rotundifolius 

 on Phillyrea ilicifolia, the latter also on Ligustrum ovcdifolium, 

 Phillyrea Vilmoriniana on Olea fragrans, Photinia ovata on the 

 quince, Photinta serridata on Cotoneaster Simonsii and on the 

 quince, Pyrvs Aucuparia on Cotoneaster Simonsii, the quince 

 (Pyrus japonica) on Crataegus Pyracantha, Raphiolepis japonica 

 on Cotoneaster Simonsii, on Cratipgus Lcdandii, and on Cratcegus 

 Pyracantha, lluhus bambusarum on a rose, Stranvcesia undulata 

 on Cratcegus Oxyacantha and on the quince, Sycopsis sinensis on 

 Hamamelis virgiuica, Thuya orientcdis on Thuiopsis borccdis, and 

 the latter worked on the former reciprocally. In all, 57 plants 

 were shown. 



Mr. HoBNE then gave an outline of his work during the past 

 eight years which was embodied in his paper : — " A Contribution to 

 the Study of the Evolution of the flower; with special reference 

 to the Hamainelidacese, Caprifoliaceae, and Cornacese." (Com- 

 municated by Prof. J. Beetland Farmer, F.B.S., F.L.S.) 



Dr. Eendie, Dr. Gates, and Dr. Otto Stapf spoke en various 

 points which had been raised by the author. 



