1144 K. Krause: Pflanzengeographie von Europa 1911 — 1916. [332 



2649. Bruce, G. Clarid^e. Silene Cserei Baumg. adventive in 

 Britain. (Eep. Bot. Exchange Club Britisli Isles for 1914, p. 9.) 



2650. Dnice, G. Claridge. Matricaria suffruticulosa (L.) Druce comb, 

 nov. adventive in Britain. (Eep. Bot. Exchang. Club British Isles for 



1914, p. 16.) 



2651. Druce. G. Claridge. Hydrilla verticillata var. pomeranica comb, 

 nov. in Britain. (Rep. Bot. Exchang. Club British Isles for 1914, jj. 22 

 bis 24.) 



2652. Druce. G. Claridge. Cochlearia anglica x officinalis in Devon. 

 {Rep. Bot. Exchang. Club British Isles for 1915, p. 186.) 



2653. Druce. G. Claridg-e. Cucubalus baccifer in Britain. (Rep. Bot. 

 Exchang. Club British Isles for 1915. p. 188.) 



2654. Druce, G. Chiridge. Euonymus europaea f. nova repens in 

 Lancashire. (Rep. Bot. Exchang. Club British Isles for 1915, p. 192.) 



2655. Druce, G. Clarldjare. Hex minor Roth var. longispinosus (R. 

 et F.) comb. nov. in Britain. (Rep. Bot. Exchang. Club British Isles for 



1915, p. 192.) 



2656. Druce. G. Claridg-e. Astragaliis danicus Retz n. subvar. parvi- 

 folius in Forfar. (Rep. Bot. Exchang. Club British Isles for 1915, 

 p. 194.) 



2657. Druce, G. Claridg-e. Lathyrus hierosolymitanus BoisB. adventive 

 in Britain. (Rep. Bot. Exchang. Club British Isles for 1915, p. 194.) 



2658. Druce. G. Claridg-e. Crataegus monogyna n. var. subcristata in 

 Northants. (Rep. Bot. Exchang. Club British Isles for 1915, p. 197.) 



2659. Druce, G. Clarida:e. Aster tripolium L. var. glaber in Britain. 

 (Rep. Bot. Exchang. Club British Isles for 1915, p. 199.) 



2660. Druce. G. Claridge. Senecio Jacobaea L. n. var. condensata in 

 Forfar. (Rep. Bot. Exchang. Club British Isles for 1915, p. 202.) 



2661. Druce, G. Claridge. Cirsium arvense Scop. var. maritimum 

 (Fries) n. comb, in Kent. (Rep. Bot. Exchang. Club British Isles for 1915, 

 p. 202.) 



2662. Druce. G. Claridge. Scorzonera liiimilis L. in Britain disco- 

 vered by N. Sandwith. (Rep. Bot. Exchang. Club British Isles for 1915, 

 p. 202.) 



2663. Druce, G. Claridge. Statice planifolia (Sjme) 'Druce in Wales 

 and Scotland. (Rep. Bot. Exchang. Club British Isles for 1915, p. 204.) 



2664. Druce. G. Claridge. Ajuga pyramidalis x reptans n. hybr. in 

 Britain. (Rep. Bot. Exchang. Club British Isles for 1915, p. 207.) 



2665. Druce, G. Claridge. Plantago lanceolata L. n. var. elliptica in 

 Oxon. (Rep. Bot. Exchang. Club British Isles for 1915, p. 207.) 



2666. Druce. G. Claridge. Carex acutiformis x riparia in Oxon and 

 Berks. Carex acutiformis x gracilis in Oxon and Berks. (Rep. Bot. 

 Exchang. Club British Isles for 1915, p. 216.) 



2667. Druce. G. Claridge. Phragmites vulgaris var. flavescens comb, 

 nov. in Britain. (Rep. Bot. Exchang. Club British Isles for 1915, p. 219.) 



2668. Druce, G. Claridge. Hydrilla verticillata in Britain. (Journ. 

 of Bot. LIV, 1916, p. 172 — 173.) — Hydrilla verticillata ist aus Grossbritannien 

 HUT von einem einzigen Standorte bekannt, von Esthwaite Water, Lake 

 Lancashire. Die Pflanze tritt dort in solcher Menge auf, dass eine Einführung 

 in neuerer Zeit unmöglich erscheint. 



