62 WILSON EXPEDITION TO CHINA 
subglabri v. velutini, ut racemorum pedunculi usque ad autumnum 
basi squamarum imbricatarum involucro 7-20 mm. longo cincti. 
Foliorum stipulae ignotae; petioli 7-12 mm. longi, eglandulosi, velu- 
tini; lamina subtus in dentibus 2 infimis biglandulosa glandulis 
majusculis planis fuscis, e basi late cuneata v. fere rotundata oblongo- 
obovata oblanceolata v. elliptica (6.5-11.5 cm. : 2.7-4.2 cm.), breviter v. 
fere caudato-acuminata, serrulata dentibus brevibus rectis v. subin- 
curvis, supra in nervis velutina ceterum glabra, subtus parce, secus 
costam dense breviter hirtella, demum subcartilaginea venarum reti- 
culo utraque pagina manifeste prominulo, subtus (sub microscopio) 
haud papillosa. Racemi erecti, absque pedunculo 1-20 mm. involu- 
erum superante 5-6 cm., fructiferi ad 10 em. longi, axi velutino; brac- 
teae caducae, ignotae; pedicelli 0.5-1.5 em. longi, velutini; cupula 
patelliformis, vix ultra 1 mm. longa, 3.5 mm. lata, extus glabra, intus 
pilosa, sub fructu cum sepalis persistens; sepala cupulae circ. aequi- 
longae, late triangularia, obtusa, margine glandulosa, glabra; petala 
circ. 2 mm. longa, obovato-rotundata; stamina 10, majora antheris 
tantum petala superantia; stylus sepala aequans, ut ovarium glaber. 
Fructus globosus, cire. 5 mm. diam.; putamen ovatum, paene 5 mm. 
longum, acutiusculum, vix compressum, obscure carinatum, laeve, 
pariete tenui fragili. 
Western Szech'uan: Ching-chi Hsien, woodlands, alt. 1800 m., 
May 1908 (No. 2842); Wa-ssu country, Wén-chuan Hsien, woods, 
alt. 1800-2100 m., August 1908 (No. 81r). 
Prunus microbotrys Koehne, n. sp. 
Arbor 10-metralis trunco 0.3 m. diam., glaberrima, sempervirens. 
Foliorum stipulae ignotae; petioli 5,mm. longi, lutescentes, eglan- 
dulosi; lamina e basi eglandulosa rotundata v. subito brevissime 
contracta ovato-oblonga v. late oblonga (6.5-9 cm.: 3-4 cm.), infra 
medium latiora, caudato-acuminata, inde a quarta v. tertia parte den- 
tibus brevibus utrinque circ. 8-12 serrata acumine integro, cartila- 
ginea, laevis, supra laete viridis, haud nitens, subtus pallidior. Ra- 
cemi axillares erecti, absque pedunculo nudo 1 em. longo 3.5-4 cm. 
longi, circ. 8-16-flori; bracteae caducae, ignotae; pedicelli 2-3.5 mm. 
longi, tenues; anthesis mense octobri; cupula patelliformis, vix 2 
mm. longa, 4 mm. lata, extus glabra, intus parce pilosa, sepala inter- 
stitiis latiusculis sejuncta, triangularia, cupula dimidio breviora, cili- 
ata atque utrinsecus saepe glandulas 1-2 globosas sessiles gerentia; 
petala circ. 4 mm. longa, 3 mm. lata, irregulariter erosa; stamina 
