ROSACEAE. — PRUNUS 261 
ably P. nipponica Matsumura) by the only slightly emarginate and much smaller 
petals. 
95. Prunus Miqueliana Maximowicz in Bull. Acad. Sci. St. Pétersbourg, XI. 
692 (non Schneider) (1883). 
Japan: Nippon, province Senano, a. 1864, Tschonoski. (Maximowiez cites 
“in silvis subalpinis Nippon, Nikko.") 
There are no indications in the Rijks-Herbarium at Leyden that P. incisa Miquel 
belongs here in part, as Maximowicz believed. Prunus Miqueliana is apparently 
very near P. T'schonoskii, but differs in the very slight pubescence of the calyx 
and of the much shorter pedicels, in the shorter cupula and more numerous (34) 
stamens. 
96. Prunus Tschonoskii Koehne, n. sp. 
Prunus ceraseidos Maximowicz in Bull. Acad. Sci. St. Pétersbourg, XXIX. 103; 
in Mél. Biol. XI. 698 (pro parte) (1883). 
Prunus apetala, var. i Schneider, IU. Handb. Laubholzk. Y. 608 (1906) 
hue forsan pertinet. 
Rami hornotini dense hirti, demum saepe glabri, annotini glabri, pallide cani, 
dein cinerei v. nigricantes; gemmae vix 1.5 mm. longae, glabrae. Stipulae 3-7 
mm. longae, lineares, pectinato-pinnatifidae; petioli 2-8 mm. longi, dense hirsuti, 
glandulis 1-2 petioli apici v. laminae basi insertis; lamina versus basin obtusam 
sensim angustata, obovata v. obovato-oblonga, 3.5-10 em. longa, 1.5-5 cm. lata, 
caudata, simpliciter ac hine inde subduplicato-inciso-crenata, dentibus obtusis 
cuspidatis, glandula capitata terminatis, supra pilis longiusculis accumbentibus 
Obsita, subtus dense longiuscule villosa v. inter nervos glabrior, nervis utrin- 
Secus 6-10. Involucra circa 1 cm. longa; pedunculus 2-11 mm. longus; flores 
1-3 umbellati, coaetanei foliis simul 3-5.5 cm. longis; bracteae 3-5 mm. longae; 
pedicelli 22-35 mm. longi, dense v. densiuscule villosiusculi; cupula 10-12 mm. 
longa, erasse tubulosa, dense pubescenti-villosiuscula; sepala ovata acuta, 3-4 mm. 
longa, argute serrulata, extus pilosa; petala rotundata, 7-8 mm. longa, emarginata; 
Stamina circa 25, petalis dimidio breviora, ad 3.5 mm. longa; stylus basi parce 
villosus. Drupa globosa, 9 mm. diam., nigra (ut videtur); putamen ovatum, 
6.3:4.5:4 mm., obsoletissime sulcatum. * : 
Japan: Nippon, province Senano, a. 1864, Tschonoski (as “P. ceraseidos Maxi- 
mowicz;” other specimens belong to P. nipponica); Niohdsan, Nikko, June 14, 
1901, Yabe; Sanjüsan, Nikko, April 12, 1901, Yabe; Nakimusi-Sando, Nikko, 
June 13, 1901, Yabe (the specimens by Yabe were sent to me as P. apetala). 
97. Prunus apetala (Siebold & Zuccarini) Franchet & Savatier, Enum. Pl. 
Jap. II. 329 (1879), (non Zabel, cf. P. Maximowiczii, No. 9). 
Ceraseidos 1 apetala Siebold & Zuccarini in Abh. Akad. Münch. III. 743. t. 5 
1843). ; 
Pine feed Maximowiez in Bull. Acad. Sci. St. Pétersbourg, XXIX. 103; 
in Mél. Biol. XI. 698 (pro parte) (1883). D 
As this species is usually confused with others I add here a description drawn 
from the type specimen in the Rijks-Herbarium at Leyden. - ? 
Ramuli novelli glabri, annotini pallide cano-ochracei, vetustiores fuscescenti- 
cani ; stipulae 3.5-10 mm. longae, saepe basi pectinato-pinnatifidae, glanduloso- 
riatae; petioli ad 4 mm. longi (sub anthesi), dense villosi, saepius 1-2 glandu- 
losi; lamina obovato-oblonga v. inverse oblonga, 2.8-5.8 cm. longa, 1.5-2.5 cm. 
1 Schneider quotes Cerasaidos apetala and Prunus cerasaidos. 
