Neue Litteratur. 185 



[A differential key is given for 9 forms, of which several are 



cultivated. — Trelease.] 

 Rikli, M. 1907. Botanische Reisestudien von der spanischen Mittel- 

 meerküste, mit besonderer Berücksichtigung der Litoralsteppe. 



(Zürich, Fäsi & Beer. 1907. 8°. VIII, 155 pp. 12 Taf. 11 Textfig.) 

 Robinson, B. L. 1907. New or otherwise noteworthy Spermato- 



phytes, chiefly from Mexico. (Proc. am. Ac. Arts and Sc. XLIII. 



p. 21-48.) 

 Robinson, B. L. 1907. The scientific name of the Osage Orange. 



(Rhodera. IX. p. 91.) [The new combination Maclura pomifera is 



proposed. — Trelease.] 

 Robinson, B. L. and H. H. Bartlett. 1907. New plants from 



Guatemala and Mexico, collected chiefly by C. C. Deam. (Proc. 



am. Ac. Arts and Sc. XLIII. p. 48—60.) 

 Robinson, C. B. 1907. Contributions to a flora of Nova Scotia. I. 



Plants collected in eastern Nova Scotia in August, 1906. (Bull. 



Picton. Ac. sc. Ass. I. p. 30 — 44.) 

 Robinson, C. B. 1907. Some features of the mountain flora of the 



Philippines. (Journ. N. Y. bot. Gard. VIII. p. 113—117.) [A popu- 

 lär analysis. — Trelease.] 

 Rohlena, J. 1907. Beitrag zur Flora von Montenegro. (Mag. bot. 



Lap. 1907. 5/7.) 

 Rolfe, R. A. 1907. Cypripedium hirsutum. (Orchid Rev. V. 174. 



183—184.) 

 Rompel, J. 1907. Zur Geschichte des Wortes „Phanerogamen." 



(Natur u. Kultur. IV. 20. p. 626 - 633. 2 Bild.) 

 Rose, J. N. 1907. Additional notes on Mexican plants of the genus 



Ribes. (Smiths, misc. Coli. L. p. 32.) [Contains, as new, Ribes 



madrense Coville & Rose, of the alliance of R. mycrophyllum. — 



Trelease.] 

 Rose, J. N. 1907. Cactus Maxonii, a new cactus from Guatemala. 



(Smiths, misc. Coli. L. p. 63—64. pl. 6.) [A species of Melocactus 



in the customary usage. — Trelease.] 

 Rose, J. N. and J. N. Painter. 1907. Morkillia a new name for 



the genus Chitonia: with description of a new species. (Smiths. 



misc. Coli. L. p. 33—34.) [Morkillia mexicana (Chitonia mexicana 



Moc. & Sesse), and M. acuminata. — Trelease.] 

 Rydberg, P. A. 1907. Studies on the Rocky Mountain Flora. XVII. 



(Bull. Torrey bot. Club. XXXIV. p. 35—50.) 

 Salmon, C. E. 1907. Forms of Salsola Kali. (Journ. of Bot. XLV. 



535. p. 277-278.) 

 Sargent, C. S. 1907. The genus Crataegus in North America. 



(journ. of Bot. XLV. 536. p. 289—292.) 

 Schild. 1907. Einige merkwürdige Bäume im Kreise Meseritz und 



in den Nachbar-Kreisen. (Zschr. natw. Abt. deutsch. Ges. Kunst u. 



Wiss. Posen. Bot. XIV. 1. p. 18—21.) 

 Schinz, H. und A. Thellung. 1907. Beiträge zur Kenntnis der 



Schweizerflora [suite]. (Bull. Herb. Boiss. 2. VII. 6. p. 493—520. 7. 



p. 559—584.) 

 Schmeil, O. und J. Fitschen. 1907. Flora von Deutschland. (Stutt- 

 gart u. Leipzig, E. Naegele. 1907. 3 Aufl. 394 pp. 338 Abb.) 

 Schnetz, J. 1907. Die Rosenflora von Münnerstadt [Forts.]. (Mitt. 



bayer. bot. Ges. II. 4. p. 61—62.) 

 Schönland, S. 1907. List of the flowering plants found in the 



districts of Albany and Bathurst. (Rec. Albany Mus. II. 1. p. 44—64.) 

 Schreiber, H. 1907. Die Leitpflanzen der Hochmoore Oesterreichs. 



