June 1908.] MAKING.— OBSEEV. ON THE FLORA OF JAPAN. 101 



ments equal to or somewhat shorter than the tube In length, 

 patent and then more or less reflexed, deltoid-lanceolate, acute- 

 acuminate, slightly concave internally, entire or few-serrulate, 

 about 6mm. long. Petals patent, ample, oval or orbiculate, 

 emarginate, or retuso-emarginate, obscurely unguiculate, about 

 18-20mm. long, 14-20mm. broad, fugaciously deciduous, rosy. 

 Stamens numerous, erect and ascending, shorter than the petals 

 and the outer longest ones about | of the length of them ; fila- 

 ments filiform, white but lately purpurascent below^, glabrous ; 

 anther minute, rounded, yellow. Ovary solitarj^, included, 

 oblong-ellipsoid, green, smooth, glabrous ; style nearly equal 

 to or slightly exceeding the stamens in height, slenderly terete, 

 greenish towards the top, glabrous ; stigma depressed-capitate, 

 greenish. 



Nom. Jap. 0-yamazakura (nov.). 



Hah. Prov. Musasiii : Tokyo, cultivated from Hokkaido 

 (T. Makino ! April and June 1908). 



Fr. Schmidt's yar. sachalinensis is probably the same with 

 ours, but the author's diagnosis is unfortunately not full enough 

 for identification. Otto Stapf's plant, which is figured (tab. 

 8012) in Curtis's Botanical Magazine, is identical with my vari- 

 ety, and it difierent from the common so-called ' Yama-zakura,^ 

 Sargent's figure is also the same with the present one. 



var. /'• serrulata (Lindl.) Makino. 



Prunus serrulata Lindl. in Trans. Hort. Soc. VII. (1830), p. 

 238 ; Walp. Repert. II. p. 8 ; Bretschn. Hist. Eur. Bot. Disc. 

 Chin. pp. 222, 259 ; Nichols. 111. Diet. Gard. I. p. 297, fig. 405 ; 

 Schneid. 111. Handb. Laubholzk. I. (1906), p. 611. 



Cesasus serratifolia Lindl. ex Carr. Rev. Hort. (1877), p. 

 389 cum tab. 



Prunus donarium Sieb. Syn. PI. Oecon. Jap. in Yerh. Batav. 

 Gen. XII. (1830), p. 68, n. 358. 



Prunus pseudo-Cerasus var. donarium Makino MSS. 



Prunus pseudo-Cerasus /5. hortensis Maxim, in Mel. Biol. 

 XL p. 697 (1883) ; Dippel, Handb. Laubholzk. III. p. 620. 



Prunus pseudo-Cerasus «. f:l. Sieb. et Zucc. in Abhandl. Akad. 

 Muench. IV. 2 (1846), p. 123. 



