218 WILSON EXPEDITION TO CHINA 
Prunus micromeloides Koehne, n. sp. 
Arbor 3-8-metralis; rami hornotini aestate glabri, vetustiores pal- 
lide cani v. nigrescentes; gemmae circ. 3 mm. longae, pilosae. Stipulae 
oblongo-lanceolatae, circ. 6 mm. longae, pinnatifidae ac glanduloso- 
fimbriatae glandulis cylindraceis, persistentes; petioli 7-12 mm. 
longi, secus canaliculum parce villosi; glandulae saepe 0, interdum 
1-2, laminae basi v. raro petioli apice insertae, plerumque stipitatae; 
lamina e basi acuta, rotundata v. emarginata ovata, obovata v. ovato- 
rotundata, 2.5-7 cm. longa, 1.7—4.7 cm. lata, subito breviter acumi- 
nata, inciso-duplicato-serrata, dentibus latis, acutis v. subacuminatis, 
glandula punetiformi terminatis, supra sparsim nitide strigulosa v. 
demum subglabra, subtus primo initio densissime tomentoso-albicans 
postea in nervis tantum pilis nitidis obsita v. etiam in nervis glabra, 
nervis utrinsecus 7-12, subtus paullo pallidior et subcana, papyracea. 
Involuera sub anthesi multa persistentia, circ. 4 mm. longa, erecto- 
patula; pedunculus circ. 4 mm. longus, pubescens v. glaber; flores 2-3 
umbellati v. subumbellati, coaetanei foliis simul 3-4 cm. longis; 
bracteae rotundatae v. late spathulatae, circ. 4 mm. longae, glanduloso- 
fimbriolatae, herbaceae; pedicelli 5 mm., fructiferi 11-20 mm. longi, 
pilosiusculi, demum glabri; cupula 5 mm. longa, breviter lateque 
campanulata, parce pilosa; sepala erecto-patula, rotundata, 1.7 mm. 
longa, breviter glanduloso-fimbriolata, ceterum glabra; petala obovata, 
4.5 mm. longa, 2.5 mm. lata, haud emarginata, irregulariter eroso- 
crenulata; stamina 19, petalis longiora, ad 7 mm. longa; pistillum 
13 mm. longum, stylus staminibus paullo longior, usque ad duas tertias 
partes molliter villosus. Drupa globosa, 9 mm. (Wilson) v. 12 mm. 
(Potanin) diam., videtur rubra; putamen rotundatum, 7:7:5 mm. 
v. 9:7.7:5.5 mm. costis foveolisque validiusculis v. validis, carina com- 
planata. 
Western Szech'uan: Wa-shan, thickets, alt. 2300-2500 m., June 
and September 1908 (No. 824). Also collected in eastern Kansu, 
Mount Idshu-shan, July 16, 1885, G. N. Potanin. 
Potanin's specimen, which had been determined as P. stipulacea Maximowiez, 
has the under surface of the leaves more glabrous, the pedicels of the fruits longer 
and the drupes and stones larger than in Wilson's specimen. 
Prunus oxyodonta Koehne, n. sp. . 
Arbor 2.6-4-metralis; rami juveniles strigulosi, postea glabri, 
vetustiores cani v. cano-fusci. Stipulae oblongae v. lineares, ad 6 
mm. longae, glanduloso-fimbriatae glandulis cylindraceis, persistentes; 
