118 Tromsø Museums Aarshefter 17. 1894. 



Plowr. Obs. Brit. het. Urecl. =^ C. B. Plowrig-1 t, Experi- 

 mental observations on eertain British heter- 

 oecious Uredines (Journal of the Linnean 

 Society, Botany, Yol. XXTY, London 1887). 

 *Poir. Germ. tard. = G. Po ir a ult. Gerraination tardive 

 des spores de Eoestelia cancellata Reb. (Jour- 

 nal de Botanique, vol. Yl, Paris 1892). 



Richards, Uredo-stage ^ H. M. Richards, The Uredo- 

 stage of Gymnosporangium (Botanical Gazette, 

 Yol. XIY, Crawfordsville 1889). 



Rich. Dev. of sperm. = H. M. Richards, On the deve- 

 lopment of the spermogonium of Cæoma nitens 

 Schw. (Proceedings of the American Academy 

 of Arts and Sciences, 1893). 



Rostr. Yærtsk. Rustsv. == E. Rostrup, Det første halve 

 Hundrede af værtskiftende Rustsvampe (Yiden- 

 skabelige Meddelelser fra den naturhistoriske 

 Forening 1889, Kjøbenhavn). 



Rostr. Fung. Gronl. = E. Rostrup, Fungi Groenlandiæ 

 (Meddelelser omGronlandlll, KjObenhavn 1888). 



Rostr. Mykol. Medd. = E. Rostrup, Mykologiske Medde- 

 lelser (Botanisk Tidskrift, Bind XYIII, Kø- 

 benhavn 1892). 



Sacc. Syll. Fung. YII == P. A. S a c c a r d o, Sylloge Fungorum 

 omnium hucusque cognitorum. Yol. YII. Pa- 

 tavii 1888. 



*Sanf. Cedar- Apple = E. Sanf or d, Microscopical Anatomy 

 of the common Cedar-Apple (Annals of Botany, 

 Yol. I, London 1887—88). 



Sapp. Pseudo-Féc. = Sappin-Tr o uf f y. La Pseudo-Fécon- 

 dation chez les L^rédinées (Le Botaniste, Yol. 

 IIT, Poitiers 1892). 



Sapp. Sucoirs = S a p p i n-T r o u f f y. Les suQoirs chez les 

 Urédinées (Le Botaniste, Yol. IIT, Poitiers 1892). 



