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) 

 baud papillosa. Racemi erecti, absque pedunculo 1-20 mm. involu- 

 crum superante 5-6 cm., fructiferi ad 10 cm. longi, axi velutino; brac- 

 teae caducae, ignotae; pedicelli 0.5-1.5 cm. 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, circ. 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, Wen-chuan Hsien, woods, 

 alt. 1800-2100 m., August 1908 (No. 811). 



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, baud nitens, subtus pallidior. Ra- 

 cemi axillares erecti, absque pedunculo nudo 1 cm. 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 



