192 H. G. SIMMONS. [sec. arct. exp. fram 



RicHTER, K., Plantae Europeae. 1. Leipzig 1890. {PI Europ.) 



RoEMEK, J. J. & ScHULTES, J. H., Caroli a Linne Systema Vegetabilium cum 



Mantissa 1-3. Stuttgart 1817-30. (Syst. Veg.) 



RoHRBACH, P., Synopsis der Lychnideen. Linnaea, Vol. (2) 36, Berlin 1869—70. 



{Syn. Lychn.) 



RosENviNGE, L. KoLDEKUP, Andet Tillseg til Gronlands Fanerogamer og Kar- 



sporeplanter. Medd. om Grenland, V. 3. Kobenhavn 1892. (2 Till.) 



— Nye Bidrag til Vest-Grenlands Flora. Medd. om Gronland V. 15. 

 Kobenhavn 1898. x {Nye Bidr.) 



Ross, J., A voyage of discovery in H. M. ships Isabella and Alexander for 



the purpose of exploring Baffin's Bay, etc. London 1819. {Voyage I) 



Roth, A. W., Tentamen Florae Germanicae. Leipzig 1789. {Tent. Fl. Germ.) 



— Catalecta Botanica, II. Leipzig 1800. {Catal. Bot.) 

 RoTHROcK, J. T., Flora of Alaska. Rep. Smithson. Inst. f. 1867. Washington 



1867. (Fl. Alaska) 



RottbOll, C. F., Afhandling om en Deel — — — rare Planter, som i Island 



og Gronland ere fundne, etc. Skr. Kobenh. Selsk. Laerd. og Vidensk. 



V. 10. Kebenhavn 1770. {PI. Isl. Qronl.) 



Rowlee, W. W., & WiEGAND, K. M., A list of plants collected by the Cornell 



party on the Peary voyage of 1896. Botan. Gazette 1897. 



{List Cornell 1896) 

 RupRECHT, F. J., Symbolae ad historiam et geographiam plantarum rossicarum. 



Petersburg 1846. {Symb. pi. Boss.) 



Rydberg, P. A., A Monograph on the North American Potentillae. Lancaster, 



Pa., 1898. {Man. Amer. Potent.) 



— Further Studies on the Potentillae. Contrib. from the New York Botan. 

 Garden, No. 13. New York 1901. {Furth. Stud. Potent.) 



Salisbury, R. A., The Paradisus Londonensis, etc. London 1806. {Parad. Land.) 

 ScHEi, P., Preliminary Report on the geological observations made during the 



second Norwegian Polar Expedition of the "Fram". Geogr. Journ. 1903. 



{Prel. Bep. Geol.) 

 ScHEHCHZER, J., Agrostographia. Zurich 1719. {Agrostogr.) 



ScHEUTz, N. J., Plantae vasculares Jeniseenses inter Krasnojarsk urbem et 



ostium Jenisei fluminis hactenus lectae. K. Sv. Vet. Akad. Handl. Vol. 



22, 1888. {PI. Vase. Jeniss.) 



ScHKUHR, C, Beschreibung und Abbildung der theils bekannten, theils noch 



nicht beschriebenen Arten von Riedgrasern. Wittenberg 1801. {Biedgrds.) 



— Botanisches Handbuch, 4. Leipzig 1808. (Bot. Handb.) 

 ScHLECHTENDAL, D. F. L. V., Ucbersicht der in Willdenows Pflanzensammlung auf- 



bewahrten Potentillen. Ges. naturf. Freunde zu Berlin Mag. f. d. neu. 

 Entdeck. in d. ges. Naturk. V. 7. Berlin 1816. (Uebers. WUld. Potent.) 



— Animadversiones botanicae in Ranunculeas Candollei, II. Berlin 1820. 



(Ban. Cand.) 

 Schleicher, C. J., Catalogas plantarum in Helvetia sponte nascentium. Ed. 



3. Bex 1807. (Gat. pi. Hdv.) 



ScHOTT, H. W., Genera Filicum. Wien 1834. (Gen. Fil.) 



ScHRADEH, H. A., Flora germanica. Gottingen 1806. (Fl. Germ.) 



ScHUR, J. F., Enumeratio plantarum Transsilvaniae. Wien 1866. 



(Enum. pi. Trans.) 

 ScoRESBY, W., Journal of a voyage to the Northern Whalefishery, elc. Edin- 

 burgh 1823. (N. Whalefishery) 

 Seemann, B., Flora of the Western Eskimaux-land. Botany of the voyage of 



H. M. S. Herald. London 1852. [Fl. W. Esk. land) 



SiBTHORP, J., Flora oxoniensis. Oxford 1794. (J?";. Qxon.) 



Simmons, H. G., Prehminary Report on the Botanical work of the second 



