Hitherto, the following papei's liave been piihlished: 



1. Ericineæ (Ericaceae, Pirolaceæ). 



1 . Morphology and Biology. By Ecg. Warming . . p. 1 — 7 1 . 



2. The biological anatomy of the leaves and of 



the stems. By Henning Eiler Petersen p. 73 — 138. 



2. Diapensiaceæ. Diapensia lapponica h. By Henning 



Eiler Petersen p. 1 39 — 1 .54. 



3. Empetraceæ. Empetrum nigrum 1^. By A. Mentz. p. 1,55— 167. 



4. Saxifragaceæ. 



1. Morphology and Biology. By Eig. Warming .. p. 169 — 236. 



2. The biological leaf-anatomy of the Arctic spe- 

 cies of Saxifraga. By Olaf Galløe p. 237 — 294. 



5. Hippuridaceæ, Halorrhagidaceæ and Callitrichaceæ. 



By Agnkte Seidelin p. 295—332. 



fi. Ranuncnlaeeæ. By Knud Jessen p. 333 — 440. 



