ROSACEAE. — PRUNUS 65 
Prunus rufomicans Koehne, n. sp. 
Arbor 20-30-metralis trunco 0.5-0.8 in diam.; ramuli vetustiores 
intense fusci, glabri, juniores fusci, glabri. Foliorum stipulae ignotae; 
glandulae rarius petiolo, saepius 1-2 laminae basi insidentes, crassae; 
petioli in ramis fertilibus 5-10 mm., in sterilibus 12-14 mm. longi, 
glabri v. parce hirtelli; lamina e basi rotundata v. late cuneata in 
ramis fertilibus lanceolata v. oblongo-lanceolata (4.5-6 cm.: 1.5-2 
cm.), in sterilibus late ovato-elliptiea v. obovata (9-10 cm.: 4.5-5.8 
 em.), subacuminata, argute dense v. subremote serrulata, supra glabra, 
subtus tomento sericeo paginam inferiorum perfecte abscondente 
densissimo intense rufo-ferrugineo submicante obtecta, supra venis 
impressis reticulato-rugosa, subtus nervis primariis valide prominen- 
tibus, subtus (sub microscopio) inter stomata vix papillosa, sed sto- 
mata papillis arcte confertis circumvallata fere abscondita. Ra- 
cemi fructiferi cire. 12 cm. longi, glabri; pedicelli 3-4 mm. longi, ut 
axis insigniter incrassati pallideque lenticellati; cupulae basis per- 
sistens, intus glaberrima. Fructus subglobosus, cire. 10 mm. diam.; 
putamen 9 mm. longum, 7 mm. diam., ovatum, acutum, obscure cari- 
natum, laevissimum, durum. 
Western Szech'uan: Mupin, woods, alt. 1500-1600 m., October 
1908 (No. 1078). 
Prunus brachypoda Batalin in Act. Hort. Petrop. XII. 166 (1892); 
in Gartenfl. XLII. 330 (1893). 
Padus brachypoda C. K. Schneider in Fedde, Rep. Nov. Sp. I. 69 (1905); 
Ill. Handb. Laubholzk. I. 638 (1906.) (excl. var. putigera quae speciem pro- 
priam sistit). 
The varieties of this species may be described as their characters are partly 
rather uncertain. 
Prunus brachypoda, var. pseudossiori Koehne, n. var. 
Arbor 5-20-metralis trunco 20-60 em. diam.; ramuli juveniles 
glabri v. raro pulverulento-puberuli. Petioli 11-40 mm. longi, glabri, 
semper fere biglandulosi; lamina e basi manifeste cordata v. in ramulis 
floralibus rotundata anguste v. late oblonga, ovato-oblonga, obovato- 
oblonga (3-12 cm. longa, 0.8-5.5 em. lata), longiuscule argute acu- 
minata, argutissime serrata dentibus angustis tenuiter acuminatis 
longiusculis (sed minoribus quam in P. ssiori), porrectis v. subincurvis, 
Subtus in nervorum axillis barbata ceterum glabra, intermixtis saepe 
foliis omnino glabris, subtus parum pallidior quam supra reticulo 
tenerrimo intensius colorato, subtus nunc manifeste nunc haud pa- 
