ROSACEAE. — PRUNUS 205 
5 mm. diam., rubra; putamen oblongum, 7:4:3 mm., basi ac juxta 
carinam planam costis 2-3 validiusculis exsculptum. 
Western Hupeh: Patung Hsien, alt. 1300-2000 m., June 1907 
(No. 47). 
Differs from all species of the sect. Phyllocerasus in its densely pubescent 
cupula. i 
Prunus Rehderiana Koehne, n. spec. 
Arbor 5-metralis ramosissima; ramuli novelli lanati v. villosi, 
vetustiores glabri, cinerei. Stipulae lanceolatae v. anguste lineares, 
5-7 mm. longae, glanduloso-fimbriatae glandulis oblongis; petioli 
sub anthesi 3-10 mm. longi, supra laxe v. densiuscule villosi, glan- 
dulis plerumque 1-2 laminae basi, rarius petioli apice insertis; lamina 
e basi rotundata obovata, 2-4 cm. longa, 1.1-2.2 cm. lata, subito v. 
caudato-acuminata, argute simpliciter v. vix hine inde duplicato- 
serrata dentibus acuminatis saepe incurvis, glandula minuta terminatis, 
supra in costa villosa ceterum glabra, subtus in nervorum axillis bar- 
bata ceterum glabra v. in nervis pilis singulis conspersa, nervis utrin- 
secus 8-10, laete viridis, subtus vix pallidior. Involucrum ante anthesin 
deciduum; pedunculus circiter 3 mm. longus, pilosiusculus; flores 
1-2, umbellati, coaetanei foliis simul 2-3.5 cm. longis; bracteae 2, 
rotundatae, 3-5 mm. longae, glanduloso-denticulatae glandulis cras- 
Siuseulis depresso-conicis v. disciformibus, herbaceae; pedicelli 9-12 
mm. longi, densiuscule crispulo-villosi; cupula 4 mm. longa lataque, 
late breviter campanulata, ima basi pilosiuscula ceterum glabra; 
sepala reflexa, late ovata acutiuscula, 3 mm. longa, fimbriolis glandu- 
losis utrinsecus 3-5 obsita, glabra; petala rotundata, 7 mm. longa, 
6 mm. lata, apice eroso-denticulata; stamina 27, petalis aequilonga, 
ad 7 mm. longa; pistillum 12 mm. longum, stylus staminibus sub- 
longior, usque ad medium dense molliter villosus. Drupa ignota. 
Western Hupeh: Hsing-shan Hsien, woods, common, alt. 1300- 
1600 m., May 14, 1907 (No. 2831). 
^ As the fruits are unknown, it is difficult to decide whether this species is suffi- 
ciently distinct from the other species of this group or to which species it is most 
closely related. It differs particularly from the allied species with similarly gla- 
brous leaves in the short and copiously pubescent pedicels. 
Prunus litigiosa Schneider, var. abbreviata Koehne, n. var. — — 
Arbor 3-6-metralis; ramulus novellus basi pubescens. Petioli 
glabri v. raro pilis paucis conspersi; folia sub anthesi jam ad 4 cm. 
longa. Pedunculus 3-7 mm. longus, glaber v. parcissime pilosus; 
