8 NATL. ARBORETUM CONTRIB. NO. 2, U.S. DEPT. AGR. 



Yellow Transparent — Parentage unknown, imported from Russia by U.S. 

 Dept. of Agr. in 1870. 



Part I: 

 Crabapple Taxa Recorded in Survey 



Section A: 

 Species, varieties, and related cultivars 



M. X arnoldiana* 3 (Rehd.) Rehd. 



M. baccata X M. floribunda. Rehder in Moller's Deutsche Gartn.- 

 Zeit. 24: 27, 2 fig. (1909) as M. floribunda var. arnoldiana. Rehder 

 in Jour. Arnold Arb. 2 : 57 (1920) as M. X arnoldiana. Illus : Horti- 

 culture (Boston), xxvii, 49 (1918). — Hab. ; Bull. Pop. Inform. 

 Morton Arb., v. 8 (1930).— Hab. ; ix. 56 (1934).— Fl. Syns: Pyrus 

 pulcherrima var. arnoldiana (Rehd.) Bailey; Malus pulcherrima 

 var. arnoldiana (Rehd.) Nash; Pyrus arnoldiana (Rehd.) Bean. 

 Originated as a chance seedling at the Arnold Arboretum about 

 1883. Introd. by the Arnold Arboretum. Type plant cultivated at 

 the Arnold Arboretum under Accession No. 139-1. 

 Locations: (C), (D), (J), (N). 

 Progeny of Malus X arnoldiana* : 

 M. cv. Barbara Ann* (Wyman) 

 M. cv. Cardinal* (Wellington) 

 M. cv. Dorothea* (Wyman) 

 M. cv. Henrietta Crosby (Sax) 

 M. cv. Henry F. DuPont* (Sax) 

 M. cv. Linda* (den Boer) 

 M. cv. Van Eseltine (N.Y. Expt. Sta.) 



M. baccata (L.) Borkh. 



Linnaeus, Mant. PI. 75 (1767) as Pyrus baccata. Borkhausen, 

 Theor.-Prakt. Handb. Forstbot. 2: 1280 (1803) as Malus baccata. 

 Illus: Duhamel, Arbres & Arbustes, Ed. 2, vi. pi. 43 (1801-19) ; 

 Koehne, Dendrol. 222 (1893).— FL; Schneider, 111. Handb. Laubh. 

 1: 718, 720 (1906). Syns: Malus rossica Medicus; M. sibirica 

 Borkh.- (Maxim.) Komarov & Klobuk.-Alisova; M. baccata var. 

 leiostyla Rupr. & Maxim.; Pyrus baccata a. genuina Regel; P. 

 microcarpa Wendl. ex K. Koch ; non DC. ; P. baccata a. sibirica 

 Maxim. ; Malus microcarpa baccata Carr. ; M. baccata var. sibirica 

 Schneid. ; M. pallasiana Iuzepchuk. 



Introd. in 1784 by the Royal Botanic Gardens, Kew, Richmond, 



3 For a detailed explanation of asterisks used in this publication, see 

 "Asterisk," p. 4. 



