Neue Litteratur. 171 



Nieuwland, J. A. 1915. Notes on local plants. XI. (Amer. Midland Nat. 



IV. p. 53—71.) 

 Nieuwland, J. A. 1915. Guamoclit Sloteri. (Amer. Midland Nat. IV. 



p. 71—74.) 

 Ostenfeld, C. H. 1915. Nye Fund af Oenanthe fluviatilis i Jylland. 



(Bot. Tidsskr. XXXIV. p. 80—82.) 

 Ostenfeld, C. H. 1914. On the geographica! distribution of the Sea- 



grasses. (Proc. roy. Soc. Victoria. XXVII. p. 179 — 190.) 

 Ostenfeld, C. H. 1915. Skildringer af V^est-Australiens natur, saerligt 



dets plantevaekst. (Geogr. tidskr. XXIII p. 35—46. 14 f. Forts.) 

 Pammel, L. H. 1915. The flora of Star Island and vicinity. (The 



amer. Forester. III. p. 119—141. 3 f. 7 pl. [Published by the Fo- 



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 Fease, A. S. 1915. A northern Solidago (S. rugosa villosa) in the 



White Mountains. (Rhodora. XVII. p. 72.) 

 Pilger, R. 1915. Hernandiaceae. Plantae Üleanae novae vel minus 



cognitae. (Nblatt kgl. bot. Gart. u. Mus. Berlin— Dahlem. 1915. p. 



295—296.) 

 Pilger, R. und K. Krause. 1915. Die natürlichen Pflanzenfamilien. 



Ergänzungsheft. III. 3. Lfrg. p. 193—288. ill. und 4. Lfrg. p. 289— 



381. ill. (Leipzig, W. Engelmann. 1915. 8".) 

 Piper, C. V. 1915. Andropogon halepensis and A. sorghum. (Proc. 



(Bull. Dep. Agr. Washington. 1914. 22 pp. 7 pl ) 

 Pittier, H. 1915. Some new caesalpiniaceous trees of Panama. (Journ. 



Washington Ac. Sc. V. p. 468—474.) 

 Pole Evans, I. B. 1915. A new Aloe from Swaziland. (Roy Soc. S. 



Africa Meet. 18th Aug. 1915.) 

 Prain, D. 1915. Curtis's Botanical Magazine. N» 127. 

 Pretz, H. W. 1915. Antennaria canadensis in Pennsylvania. (Rho- 

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 Pugsley, H. W. 1915. Narcissus poeticus and its allies. (Journ. of Bot. 



LIII. Suppl. p. 1—16. 1 pl.) 

 Rabanus, A. 1915. Die Moore. (Natur. 1915. p. 359—362. 2 A. Forts, folgt.) 

 Rehder, A. 1915. The name of the hemlock spruce. (Rhodora. XVII. 



p. 59 — 62.) [Argument to show that the current name — Tsuga 



canadensis — should be retained. — Trelease.] 

 Renwick, J. 1915. The spanish chestnut (Castanea sativa, Miller) in 



the Clyde Area. (Glasgow Nat. VII. p. 17—31.) 

 Renwick, J. R. and M'Kay. 1915. Table of measurements of Spanish 



Chestnut trees in Clyde Drainage Area. (Glasgow Nat. VII. 



p. 59-61.) 

 Ridley, H. N. 1915. Plants from Gunong Kerbau, Perak. (Journ. Fed. 



Malay States Mus. VI. p. 43—62.) 

 Ridley, H. N. 1915. Two new plants from Gunong Tampin, Negri 



Sembilan. (Journ. Fed. Malay States Mus. VI. Pt 1. N« 6.) 

 Rikli, M. 1915. Kreta und Sizilien. (Vegetationsbilder hrsg. von 



Karsten & Schenck. 13 Reihe. 1/2. Heft. T. 1—12. Jena, G. Fischer. 



1915.) 

 Rogers, R. S. 1914. Additions to Australian Orchidaceous plants. 



Trans, and Proc. r. Soc. S. Australia. XXXVIII. p. 239-244. 2 pl., 



p. 359—361. 1 pl.) 

 Romell, L.-G. 1915. Gränser och zoner i Stockholms yttre Skärgärd. 



[Grenzen und Zonen in den äusseren Stockholmer Schären]. ^Svensk 



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 Rosen, D. 1915. Nägra Korsningsförsök över Anemone hepatica L. 



(Bot. Not. 1915. 2 pp.) 



