ROSACEAE. — PRUNUS 247 



Prunus Puddum Miquel in Ann. Mus. Lugd.-Bat. II. 90 (pro parte, non 



WalUch) (1865). 

 Prunus pseudocerasus, var. jamasakura, subvar. glabra Makino in Tohjo Bot. 



Mag. XXII. 93 (1809). 

 Prunus pseudocerasus, a jamasakura, forma praecox Makino, 1. c. XXII. 98 



(1908). 

 Prunus pseudocerasus, a jamasakura, a glabra, forma praecox Makino, 1. c. 



XXII. 113 (1908). Mihi nondum satis nota. Flores simplices. 

 Prunus pseudocerasus, y serrulata, subvar. glabra Makino, 1. c. XXII. 101 (1908). 

 Prunus pseudocerasus, /3 spontanea, subvar. hortensis Koidzumi in Tokyo Bot. 



Mag. XXIII. 183 (1909). 



Formae floribus plenis non satis notae: 



Prxmus Cerasus, aflore plena Thunberg, Fl. Jap. 201 (1784). 



Prunus serrulata Lindley, cf. supra. 



Cerasus serrulata G. Don in Loudon, Arb. Brit. II. 701, fig. 407 (1833). 



Cerasus Pseudocerasus Lavallee, Icon. Arb. Segrez., 119, t. 36 (1885), (ubi citatur: 



Cerasus Maeda h.). 

 Prunus pseudocerasus, y serrulata, subvar. glabra, forma Fugenzo Makino in 



Tokyo Bot. Mag. XXII. 73 (1908). 

 Prunus serrulata, a serrulata, forma Fugenzo, 1. rosea Makino, 1. c. XXIII. 74 



(1909). 

 Prunus jamasakura, a elegans, a glabra Koidzumi in Tokyo Bot. Mag. XXV. 



185 (1911), utrum hue an ad P. Sargentii pertinet? 

 Prunus jamasakura, /3 speciosa Koidzumi 1. c. 186 (1911). 

 Japan, Korea. 



In collections P. serrulata is very often confused with P. Sargentii Rehder and less 

 often with P. pseudocerasus Lindley or with P. H erincquiana Lavallc'e. It is said 

 to have been introduced in 1822 from China according to Lindley, but I have seen 

 no specimens from China. Cliinese locahties for it are sometimes given, but always 

 with the quotation of synonyms which show a confusion between P. pseudocerasus 

 Lindley and P. serrulata Lindley, so that these indications can not be safely used. 



Prunus serrulata, f. albida (Makino) Koehne, n. comb. 

 Prunus pseudocerasus, /3 hortensis flore simplici albo Maximowicz in Bull, 



Acad. Sci. St. Petersbourg, XXIX. 102; in Mel. Biol. XL 699 (1883). 

 Prunus pseudocerasus Stapf in Bot. Mag. CXXXI. t. 8012 (1905), ad banc 



vel ad sequentem formam pertinet, sed emendanda descriptione. 

 Prunus pseudocerasus, y serrulata, subvar. Sieboldii, forma albida Makino in 



Tokyo Bot. Mag. XXII. 102 (1908). 

 Prunus serrulata, a serrulata, forma albida Makino, 1. c. XXIII. 74 (1909). 

 Prunus serrulata, a yashino Koehne in Mitt. Deutsch. Dendr. Ges. XVIII. 167 



(fine 1909). 

 Prunus pseudocerasus yoshino Hort. ex Koelone. 



Prunus serrulata, f. Lannesiana (Carri^re) Koehne in Mitt. Deutsch. Dendr. 

 Ges. XVIII. 167 (1909). 



Cerasus Lannesiana Carri^re in Rev. Hort. 1872, 198; 1873, 45, 351, t. 

 Prunus pseudocerasus, /3 hortensis flore simplici cameo MaximoNvncz in Bull. 



Acad. Sci. St. Petersbourg, XXIX. 102; in Mel. Biol. XL 699 (1883). 

 Prunus serrulata, a serrulata, f . Lannesiana Makino in Tokyo Bot. Mag. XXIII. 



74 (1909). 

 Prunus jamasakura, ^ speciosa, var. nobilis Koidzumi in Tokyo Bot. Mag. 



XXV. 187 (1911), ac ejuadem varietatis f. 1. serrulata Koidzumi I. c. 



