244 WILSON EXPEDITION TO CHINA 



papyracea. Involucra magna sub anthesi persistentia, posterius decidua; pedun- 

 culus 6-20 mm. longiis, laxe villosus; flores (2-)3-5(-6) umbellati v. subumbellati, 

 praecoces v. subpraecoces, foliis simul interdum ad 1-2 cm. longis, bracteae rotun- 

 datae, 3-6 mm. longae, herbaceae, insigniter valideque glanduloso-fimbriatae, 

 glandulis crassis, breviter conicis; pedicelli 10-35 mm. longi, laxe v. dense villosi; 

 cupula 3.5-5 mm. longa, breviter campanulata, villosiuscula; sepala reflexa, ob- 

 longa V. lanceolata acuta, 6.5-9 mm. longa, Integra v. subintegra, subtus glabra 

 V. inferne pilosa, saepe ciliata; petala ovalia, 11-14 mm. longa, 5-9 mm. lata, 

 biloba sinu triangulari-aperto, alba v. rosea; stamina 32-36, petalis subaequilonga, 

 ad 11-13 mm. longa; pistillum 15-19 mm. longum, stylus staminibus subbrevior 

 V. manifeste longior, glaber. Drupa globosa, 9 mm. longa, 8 mm. diam., rubra; 

 putamen ovatum, 7:5:4 mm., carina subplana, ceterum laevissimum. 

 Hupeh: A. Henry (No. 5812). 



As this species has not been fully described by Schneider a complete description ia 

 given here. Henry's No. 5812 is in fruit with the peduncle 8-10 mm. long and with 

 the pedicels 16-22 mm. long, and it is impossible to decide to which of the two 

 following varieties it belongs. 



Prunus Dielsiana, var. laxa Koehne. See p. 208. 

 Prunus Dielsiana, var. conferta Koehne, n. var. 

 Involucra erecta clausa, circ. 1 cm. longa lataque; pedunculi ad 13 mm. longi, 

 pedicelli 8-14 mm., cupula 3.5-4 mm., sepala 6.5-7 mm.. 



Western Hupeh: Patvmg, side of stream, April 1900, E. H. Wilson (Veitch 

 Exped. No. 308). 



38. Prunus plurinervis Koehne. See p. 208. 



39. Prunus rufoides Schneider in Fedde, Rep. Nov. Sp. I. 55 (1905). 



Ramuli hornotini breviter hirti, annotini subglabrati nigrescenti-cinerei, vetustio- 

 res fusci; gemmae fere 3 mm. longae, acutae, glabrae. Stipulae caducae; petioli 

 9-10 mm. longi, hirti, glandulis duabus validis prope apicem muniti; lamina e 

 basi rotundata elliptica v. oblonga, 8-9.5 cm. longa, 2.5-4.2 cm. lata, subito breviter 

 V. anguste longeque acuminata, argutissime simpliciter ac duplicato-serrata, 

 dentibus longiusculis, subsetaceo-acuminatis, subincurvis, glandula minutissima 

 terminatis, supra sparsim strigosa, subtus in costa nervisque dense, ceterum laxius 

 subaccumbenti-hirta, nervis utrinsecus circ. 12-14 suberectis, utrinque subconcolora. 

 Flores ignoti. Involucri rudimentum sub fructu persistens 3 mm. longum; pedun- 

 culus 3-4 mm. longus; bracteae caducae; pedicelli 1-3 umbellati, 17-20 mm. 

 longi, laxe rufo-hirti. Drupa ovali-rotundata, 10 mm. longa, 7.5 mm. lata, rubra; 

 putamen ovatum, 8: 6:4.5 mm., basi obsolete sulcatima ceterum laeve. 



Szech'uan: A. Henry (No. 5780). 



40. Pninus hirtifolia Koehne. See p. 209. 



Sect. 2. PSEUDOCERASUS Koehne, Deutsche Dendr. 305 (1893). 



Prunus subgen. Cerasvs sect. Yamasakura Koidzumi in Tokyo Bot, Mag. XXV. 

 183 (1911). 



Subsect. 7. HYPADENIUM Koehne, n. subsect. 



41. Prunus glandulifolia Ruprecht & Maximowicz in Mem. Sav. £tr. Acad. Sci. 

 St. Petersbourg, IX. 87 (Prim. Fl. Amur.) (1859). 



Amurland. 



This species is still very incompletely known and its systematic position is un- 

 certain. I have seen in Spath's Arboretum near Berlin a young plant that had 

 not flowered. 



