C. Ferdinandsen and Ö. Winge: The genus Entorrhiza C.Weber. 13 



Further C. B. Plowright (1. c, p. 299) and E. Rostrup (1901 

 p. 306) state the presence of an Entorrhiza in the roots of J. lam- 

 procarpus Ehrh. 



On Cyperaceae: 



E. cypericola (Magn.) De Toni (Cyperns flavescens L.). 



E. scirpicola (Correns) Sacc. et Syd. (Scirpus pauciflorus 



LlGHTF.). 



E. Raunkiæriana sp. n. (Scirpus fluitans L.). 

 E. caricicola sp. n. (Carex limosa L.). 



Probably several other glumiflores will show to be host-plants 

 to Entorrhiza-species — e. g. the plants with root-swellings enum- 

 erated by P. Magnus (1888, p. 104) after a statement of P. Ca- 

 meron, viz. : J uncus squamosus L., J.uliginosus Roth and Erio- 

 phorum vag in alum L. 



