6 — 



adulterina Cretica etc. in p. 1S05 (16S8). 

 E. Regel S7) Planera acuminata in Gartenflora XII, p. 56 (1863). 



A. Rehder 88) Ulmacea? in The Ligneous Plants of Northern 



China in The Journal of the Arnold Arboretum 



IV, p. 163-173 (1923). 



89) Ulmacea; in The Ligneous Plants from Eastern 



Asia in The Journal of the Arnold Arboretum 

 X, p. 122-123 (1929). 



90) Ulmacea; in Manual of Cultivated Trees & Shrubs 



hardy in North America p. 183-196 (1S27). 

 /. St. Hilaire 91) Amcntacece in Exposition des families naturelles 



des plantes II, p, 315-324 (1805). 

 C. S. Sargent 92) XJlmus japonica in Trees & Shrubs LT, p. 101 (1907). 



93) Ulmus campestris in Garden & Forest VI, p. 327, 



fig. 50 (1893). 

 C. K~. Schneider 94) Ulmacece in Illustriertes Handbuch der Laubholz- 



kunde I, p. 211-234 (1904); Ulmus-Zelkova in 



p. S05-6. 



95) Ulmacea; in Sargent, Plantre Wilsonianae III, p. 



238-291 (1916). 



96) Ulmus in Genera Plantarum p, 173; Celtis in p. 

 732 (1789). 



97) Ulmus in Systema Vegetabilium VI, p. 298-303; 

 Planera in p. 304-305; Celtis in p. 305-311 (1820). 



98) Ulmacece in E. Gilg & Th. Loesner, Beitrage zu 

 einer Flora von Kiautschau und einiger angren- 

 zenden Gebiete, nach den Sammlungen von 

 Nebel und Zimmermann in Botanische Jahr- 

 biicher Band XXXIV, Heft 1, Beiblatt no. 75, 

 p. 29 (1904). 



99) Ulmacea? in Prodromus Florre Tsingtauensis in Bei- 



hefte zum Botanischen Centralblatt XXXVH, 

 p. 108-109 (1920). 

 Ph. Fr. de Siebold & J. G. Zuccarini. 



100) Cellidece in Flora Japonic» Familise Naturales sect. 



II in Abhandlung der Akademien von Miinchen 



IV, Abt. 3, p. 220-221; Ulmacea; in p. 221 (1846). 



J. Ed. Smith 101) Ulmus in J. Sibthorp, Florae Grsecse Prodromus I, 



p. 171-172; Celtis in p. 172 (1806). 

 102) An Inquiry into the Genus of the Tree called by Pona 



/. C. D. Schreber 



J. A. Schultes 



O. Seemen & Th. Loesner 



Th. Jjoesner 



