ROSACEAE. — PRUNUS 199 
barbata, nervis utrinsecus 8-12, supra laete viridis, subtus paullo v. 
manifeste pallidior, demum papyracea. Involucrum ante anthesin 
deciduum; pedunculi 1-2 em. longi, glabri; racemi absque pedunculo 
2-5 cm. longi, axis glaber; flores (3—)4—7, coaetanei foliis simul 3.5-6 
em. longis; bracteae 4-8, infima saepe sterili, rotundatae, 3-7 mm. 
longae, denticulatae, dentibus glandula conica initio parva, demum 
magna terminatis, pedicelli 12-22 mm. longi, glabri; cupula 4 mm. 
longa lataque, glabra; sepala reflexa, triangularia, acutissima, 3 mm. 
longa, glanduloso-ciliolata ciliis utrinsecus circiter 2-4, ceterum gla- 
bra; petala rotundata, 6.5 mm. longa, 5.5 mm. lata, eroso-denticulata, 
alba; stamina 31, petalis subaequilonga, ad 6 mm. longa; pistillum 
10 mm. longum; stylus staminibus vix longior, basi pilis paucis obsitus. 
Drupa globosa, circiter 10 mm. diam., rubra v. fere nigra; putamen 
rotundatum 6—7:6:5 mm., valide reticulato-suleatum et scrobiculatum 
costis interdum haud anastomosantibus. 
Western Szech'uan: west and near Wén-ch'uan Hsien, woods, 
alt. 2500 m., June and July 1908 (No. 904°); Sung-pan, woodlands, 
alt. 2600-3000 m., August 1910 (No. 4013); Nan-ch’uan, summer 
1891, A. von Rosthorn (Nos. 149, 540, sterile); without locality, summer 
1891, A von Rosthorn (No. 622, sterile). 
This species differs from P. conadenia Koehne in the narrower leaves and the 
globular more strongly furrowed and pitted stones. In No. 904? the fruit is described 
on the label as dark red, and in No. 4013 as nearly black, but also in No. 4013 it ap- 
pears to be dark red in the dried state. The really black fruits, as in. P. pleuroptera 
Koehne, are intensively black in the dried specimens. 
Prunus macradenia Koehne, n. sp. 
Arbor 6-10-metralis; rami glaberrimi, hornotini demum castanei, 
annotini fusco-cinerei v. cinerei; gemmae 2-2.5 mm. longae, ovatae, 
glabrae. Stipulae ignotae ; petioli 8-14 mm. longi, glabri, plus minus 
Purpurascentes; glandulae 1-2, laminae basi insertae; lamina e basi 
acuta v. rotundata ovata v. ovato-elliptica, 4.5-6.5 em. longa, 2.2- 
3.5 em. lata, subito caudata, simpliciter, media parte subduplicato- 
serrata, dentibus brevibus latiuscule triangularibus, glandulam validam 
fuscam triangularem gerentibus, supra laxiuscula strigulosa, subtus 
undique breviter hirtella, sed in costa haud raro glabra, nervis utrin- 
secus 6-12, supra laete viridis, subtus manifeste pallidior, adulta papy- 
racea. Flores ignoti. Racemorum fructiferorum pedunculus 2-4 mm., 
axis ipse 13-16 mm. longus; bracteae 3-4, rotundatae y. obovatae, 
2-5 mm. longae, glanduloso-dentatae, glandulis inferioribus parvulis, 
Superioribus majoribus triangularibus; pedicelli 3-4, laxiuscule hir- 
