ROSACEAE. — PRUNUS 241 



glanduloso-fimbriolato-serratae; pedicolli 0-13 mm. longi, glabri; cupula vix 

 4 mm. longa, subanguste campanulata, glabra v. superne parcissime pilosa; sepala 

 reflexa ovata obtusa, 2 mm. longa, subtus parce pilosa, supra glabra; pctala ovali- 

 ovata, 10 mm. longa, 6 mm. lata, alba; stamina 30, petalis subaequilonga, ad 9 

 mm. longa; pistillum 11 mm. longum; stylus stamina aequans, basi v. usque ad 

 medium laxiuscule hirtellus. Drupa ignota. 



Yunnan: Mengtze, woods, alt. 1800 m., A. Henry (No. 10629). 



27. Primus neglecta Koehne, n. sp. 



Prunus yunnanensis, var. Henryi C. K. Schneider in Fedde Rep. Nov. Sp. I. 66 

 pro parte (1905). 



Arbor 10-metralis; rami vetustiores crassi, pallide cani, demum intense fusci, 

 glabri. Folia ignota. Involucra ante anthesin decidua, paucissima persistentia, 

 9 mm. longa, 3 mm. diam.; pedunculus 2-7 mm. longus, glaber; flores 3-5 breviter 

 umbellato-racemosi, supremi 3 plerumque umbellati, praecoces; bracteae 0..5-1 mm. 

 longae, fuscescentes, apice glanduloso-fimbriatae; pedicelli 5-8 mm. longi, glabri; 

 cupula 5 mm. longa, campanulato-tubulosa, glabra; sepala reflexa, brevia obtusis- 

 sima, 1.5 mm. longa, minutim parce glanduloso-denticulata, ceterum glabra; petala 

 obovata (videntur 10 mm. longa, 5-6 mm. lata, male conservata), alba; stamina 

 27, petalis aequilonga, ad 9 v. 10 mm. longa; pistillum 11 mm. longum; stylus 

 stamina aequans, glaberrimus. 



Yunnan: Mengtze, woods, alt. 2000m., A. Henry (No. 106295). 



Subsect. 6. LOBOPETALUM Koehne, n. subsect. 

 Ser. 1. Heterocalyx Koehne, n. ser. 



28. Prunus scopulorum Koehne, n. sp. 



Arbor 6-metralis; rami vetustiores validi, fusci glabri; gemmae ad 7 mm. 

 longae, oblongae, acutae, glabrae. Folia nondum evoluta, dentes videntur obtusae, 

 glandula crassa conica terminatae, pagina inferior subtus in nervis laxiuscule 

 sericeo-villosa, inter nervos glabra v. subglabra. Involucra sub anthesi fere omnia 

 decidua, paucissima persistentia ad 1 cm. longa; pedunculus 5-9 mm. longus, laxe 

 hirtellus; flores 2-4 umbellati v. infimo subremoto subumbellati, sub praecoces 

 foUis simul 1-2 cm. longis; bracteae 1-2.5 mm. longae, apice inciso-serratae, de- 

 ciduae; pedicelli 15-19 mm. longi, laxe villosiusculi; cupula 6 mm. longa 3 mm. 

 lata, subanguste campanulata, basi densiuscule hirtella, superne glabra; sepala 

 reflexa, ovata obtusiuscula, 4 mm. longa, Integra, ciliolata, ceterum glabra; petala 

 ovalia, 15 mm. longa, 10.5 mm. lata, biloba sinu triangulari-patente; stamina 34, 

 petalis triente breviora, ad 9.5 mm. longa; stylus stamina aequans, glaber. Drupa 

 ignota. 



Western Hupeh; Ichang, cliffs, March 16, 1900, E. H. Wilson (Veitch. Exped, 

 No. 146). 



Further material is needed to decide whether P. ampla Koehne, known only 

 from leaves and distinguished by its thick conical glands of the serratures, may not 

 belong here. 



29. Pninus glabra (Pampanini) Koehne, n. sp. 



Prunus hirtipes, var. glabra Pampanini in Nuov, Giorn. Bot. Ital. XVII. 293 



(1910); XVIII. 122 (1911). 



Ramus annotinus fuscescens, glaber; gemma terminalis 8 mm. longa, oblonga, 



acuta, glabra. Folia ignota. Involucra ante anthesin decidua; pedunculus nuUus; 



flores 3-4, umbellati, praecoces; bracteae caducae; pedicelli circ. 14-16 mm. longi, 



