22 THE CHERRIES OF NEW YORK 



Prunus japonica gracillima Koehne. /. c. 266. 



Prunus japonica gracillima thunbergii Koehne. I. c. 266. 



Prunus japonica thunbergii Koehne. Fedde Rep. Nov. Sp. 8:23. 1910. Cultivated in the Spath 



Arboretum near Berlin, received from St. Petersburg. 

 Prunus japonica gracillima engleri Koehne. Plant. Wils. Pt. 2:266. 1912. 

 Prunus japonica engleri Koehne. /. c. 266. Manchuria. 



Pnmus japonica gracillima minor Koehne. I. c. 267. Cultivated in the Spath Arboretum, Berlin. 

 Pnmus japonica gracillima sphaerica (Carri^re) Koehne. /. c. 267. 

 Prunus japonica sphaerica Carriere. Rev. Hort. 468, fig. 163. 1890. 

 Prunus japonica kerii (Steudel) Koehne. Plant. Wils. Pt. 2:267. 191 2. 

 Prunus japonica Ker-Gawler. Bot. Reg. i: t. 27. 1815. 

 Amygdalus pumila Sims. Bot. Mag. 47: t. 2176. 1820. 



Prunus kerii .Steudel. Nomencl. Bot. ed. 2, 403. 1841, which cites " Cerasus "japonica Ker-Gawler. 

 Prunus japonica typicaflore plena Zabel. Beissner, Schelle & Zabel Handb. Laubholz-Ben. 238. 1903. 



Chekiang. Cultivated in England. 

 ? Prunus praecoz Carriere. Rev. Hort. 488, fig. 142, 143. 1892. Originated from sowings of Prunus 



japonica sphaerica and supposed to be Prunus japonica X domestica. 



107. Prunus nakaii L^veille. Fedde Rep. Nov. Sp. 7:198. 1909. Korea. 



108. Prunus carcharias Koehne. Plant. Wils. Pt. 2:267. 1912. Szechuan. 

 Sect. 2. AMYGDALOCERASUS Koehne. 



Cerasus sect. Microcerasus Spach. 



Microcerasus Webb. Phytogr. Canar. 2:19 (1836-50); Schneider ///. Handb. Laubholzk. 1:601. 1906. 

 Prunus subgen. Microcerasus Focke. Engler & Prantl Natiirl. Pflanzenfam. 3:3, 54. 1888. 

 Prunus sect. Trichocerasus et subgen. Microcerasus Koehne. Deutsche Dendr. 302, 306. 1893. 



109. Prunus tomentosa Thunberg. Fl. Jap. 203,. 1784. — Siebold & Zuccarini Fl. Jap. i:$i, t. 22. 1826. 



Japan, western and northern China. 

 Prunus tomentosa spaethiana Koehne. Plant. Wils. Pt. 2:269. 1912. Cultivated in European 



gardens. 

 Pninus tomentosa graebneriana Koehne. /. c. 269. Cultivated near the Botanic Garden, Berlin- 



Dahlem. 

 Prunus tomentosa insularis Koehne. /. c. 269. Japan. Cultivated in Japan. 

 Prunus tomentosa souliei Koehne. /. c. 269. Szechuan. 

 Prunus tomentosa kashkarovii Koehne. /. c. 269. Tibet. 

 Prunus tomentosa endotricha Koehne. /. c. 225. Western Hupeh. 

 Pnmus tomentosa brevifiora Koehne. /. c. 270. Northern Shensi. 

 Prunus tomentosa trichocarpa (Bunge) Koehne. Plant. Wils. Pt. 2:270. 191 2. 

 Prunus trichocarpa Bunge. Mhn. Etr. Acad. Sci. St. Petersburg 2:96 {Enum. PI. Chin. Bor.) 1833. 



Northern China. 

 Prunus tomentosa tsuluensis Koehne. Plant. Wils. Pt. 2:270. 1912. Northern Shensi. 

 Prunus tomentosa heteromera Koehne. /. c. 270. Szechuan. 



110. Prunus batalinii (Schneider) Koehne. /. c. 270. 



Prunus tomentosa, (?) Batalinii Schneider. Fedde Rep. Nov. Sp. 1:52. 1905. Szechuan. 



111. Prunus cinerascens Franchet. Nouv. Arch. Mus. Paris, ser. 2, 8:216 {PI. David. II. 34) 1885. 



Western Szechuan. 



112. Prunus jacquemontii (Edgeworth) Hooke. Fl. Brit. Ind. 2:314. 1878. Afghanistan, Northwestern 



Himalaya, Tibet. 



113. Prunus incana (Pallas) Steven. Mem. Soc. Nat. Mosc. 3:263. 1812. Armenia, Georgia, Himalaya? 

 Cf. Cerasus hippophaeoides Bommuller. Oester. Bot. Zeit. ^g:i^. 1899. Cappadocia. 



114. Prunus griffithii (Boissier) Schneider. ///. Handb. Laubholzk. 1:606. 1906. Afghanistan. 



115. Prunus prostrata Labillardiere. Icon. PI. Syr. 1:15, t. 6. 1791. Southern Europe, Crete, Algier, 



Western Asia to Persia and Syria. 

 Cf. Pnmus bifrons Fritsch. Sitz. Akad. Wien 101: pt. i. 636, t. 3, fig. i. 1892. Himalaya? 



116. Prunus brachypetala (Boissier) Walpers. Ann. 1:272. 1848-49. Southern Persia. 



117. Pnmus microcarpa C. A. Meyer. Verz. Pfl. Caucas. Casp. 166. 1831. Caucasia, Northern Persia. 

 Cf. Cerasus tortuosa Boissier & Haussknecht. Boissier Fl. Or. 2:647. 1872. Antilibanon, Cappa- 

 docia, Kurdistan. 



118. Prunus verrucosa Franchet. Ann. Sci. Nat. s6r. 6, 16:280. 1883. Turkestan. 



Cf. Prunus calycosus Aitchison & Hemsley. Trans. Linn. Soc. 3:61, t. 8. 1888. Afghanistan. 



119. Prunus diffusa (Boissier & Haussknecht) Schneider. III. Handb. Laubholzk. 1 :6o6. 1906. South- 



western Persia. 



