Neue Litteratur. 123 



Merrill, E. D. 1917. Type, cotype and topotype labeis. (Torreya. XVII. 



p. 13—15.) 

 Metcalf, F. P. and L. Griscom. 1917. Notes on rare New York State 



plants. (Rhodora. XIX. p. 48—55.) 

 Mez, C. 1917. Novae species Panicearum. (Notizbl. Berlin— Dahlem. 



VII. p. 45—78.) 

 Miyabe, K. and Y. Kudo. 1917. Materials for a flora of Hokkaido. VII. 



(Trans. Sapporo nat. Hist. Soc. VI. p. 165 — 185.) 

 Moewes. 1916. Aus der Geschichte des Vogelschutzes. CHeimatschutz. 



XL p. 50—61.) 

 Murrill, W. A. 1917. An excursion to Delaware water gap. (Torreya. 



XVII. p. 148—150.) 

 Nakai, T. 1917. Ligularia Coreana. (Bot. Mag. Tokyo. XXXI. p. 121 — 127.) 

 Nakai, T. 1917. Notulae ad plantas Japoniae et Koreae. XIV. (Bot. 



Mag. Tokyo. XXXI. p. 97—112.) 

 Nieuwland, J. A. 1916. Critical notes on new and old genera of 



plants. IX. (Amer. Midland Nat. IV. p. 500—501.) 

 Nieuwland, J. A. 1917. Critical notes on new and old genera of 



plants. X (Amer. Midland Nat. V. p. 50—52.) 

 Noriega, J. M. 1916. Las plantas mexicanas. (Bol. Dir. Est. biol. I. p. 



641—683. 15 f.) 

 Payscn, E. B. 1917. The perennial scapose Drabas of North America. 



(Amer. Journ. Bot. IV. p. 253—267.) 

 Pennell, F. W. 1917. Notes on plants of the southern United States. 



III. (Bull. Torrey bot. Club. XLIV. p. 337—362.) 

 Pioer, C. V. 1917. The cowhage and related species. (Proc. biol. Soc. 



Washington. XXX. p. 51—62.) 

 Praeger, R. L. 1917. Notes on Sedum. (Journ. of Bot. LV. p. 211— 215.) 

 Prain, D. 1917. Curtis's botanical magazine. Nos 148 — 150. (London, 



L. Reeve & Co., Ltd. 1917. 8°.) [Contain: Rubus illecebrosus, Se- 



necio Hectori, Chirita Trailliana, Saxifraga manshuriensis, Cory- 



lopsis Willmottiae, Vanda luzonica, Pyrola uliginosa, Pyrola brac- 



teata, Plagiospermum sinense. forma brachyopoda, Myrsine 



africana, Aesculus turbinata, Stauropsis Imthurnii, Campanula 



ephesia, Disanthus cercidifolia.] 

 Prodan, G. 1916. Nehäny adat hazänk flörä jänak ismeretehez. [Einige 



Beiträge zur Kenntnis der Flora von Ungarn]. (Mag. bot Lap. XV. 



p. 251—258. Mag.) 

 Rapaics, R. 1916. Debreczen flöräja. [Flora von Debreczen]. (Erdes- 



zeti kiserletek. XVIII. p. 1—2.) 

 Rech. 1916. Die Naturdenkmalpflege in den Hohenzollernschen Lan- 

 den unter Führung des Fürsten Wilhelm. (Heimatschutz. XI. 1916. 



p. 3-15. 8 A.) 

 Reinke, J. 1913. Studien über die Dünen unserer Ostseeküste. IV. 



Usedom und Wollin. (Wiss. Meeresunters N. F. XV. Abt. Kiel. p. 



95-103. ill.) 

 Rendle, A. B. 1917. Tropical african Urticaceae. (Journ. of Bot. LV. 



p. 201—203 ) 

 Rock, J. F. 1917. The ornamental trees of Hawaii (Honolulu, 1917. 



V. 210 pp. 80 pl.) 

 Rolfe, R. A. 1917. The strawberry-raspberry (Rubus illecebrosus, 



Focke. (Kew Bull. 1917. p. 77—79.) 

 Rosenthal, K. 1916. Monographie der Gattung Daphniphyllum. Allge- 

 meiner Teil. (Breslau 1916. 8°. 32 pp.) 

 Rostrup, E. 1917. Vejledning i den danske flora. 12. udg. (Kjöben- 



havn, 1917. 8°. 478 pp. 139 f.) 



