60 WILSON EXPEDITION TO CHINA 



Laurocerasus Buergeriana C. K. Schneider, III. Handb. Laubholzk. I. 646 (1906). 



In the Japanese type the axis of the racemes is densely velvety-hirtellous, while 

 it is minutely velvety-puberulous in the following variety which may be described, 

 as the species is new for the Chinese flora. 



Prunus Buergeriana var. nudiuscula Koehne, n. var. 



Arbor 8-metralis trunco 0.3 m. diam.; ramuli vetustiores cinereo- 

 nigricantes, novelli fusci, glabri v. ima basi minutim velutini. Foli- 

 orum stipulae ignotae; petioli 10-13 mm. longi, eglandulosi, glabri; 

 lamina subtus in dentibus 2 infimis biglandulosa glandulis planis 

 fuscis, e basi cuneata obovato-oblanceolata v. late oblanceolata (5.5-9 

 cm.: 2.2-3.3 cm.), acuminata, argute minutim incumbenti-serrulata, 

 supra glabra, subtus glabra v. in nervorum axillis barbulata, mem- 

 branacea reticulo baud prominente, subtus baud papillosa. Racemi 

 erecti absque pedunculo nudo 0.5-1 cm. longo 4-7 cm. longi, circ. 

 20-30-flori axi minutim puberulo-velutino ; bracteae caducae, ignotae; 

 pedicelli 1-2 mm. longi, glabri; cupula patelliformis vix 4 mm. lata, 

 extus glabra, intus infra medium pilosa, cum sepalis sub fructu per- 

 sistens; sepala cupulae circ. aequilonga triangularia, obtusa, margine 

 vix denticulato-glandulosa; petala 3 mm. longa, rotundata; stamina 10, 

 majora 4 mm. longa; stylus sepala circ. aequans, ut ovarium glaber. 

 Fructus ignotus. 



Western Hupeh: Fang Hsien, woodlands, alt. 1200-1800 m., May 

 20, 1907 (No. 2834). 



Prunus venosa Koehne, n. sp. 



Arbor 6-12-metralis trunco 0.20-0.45 m. diam. Ramuli vetusti- 

 ores cinereo-nigricantes glabri, novelli fusci, glabri v. ima basi minu- 

 tim velutini. Foliorum stipulae ignotae; petioli 8-13 mm. longi, 

 eglandulosi, glabri; lamina subtus in dentibus 2 infimis biglandulosa 

 glandulis planis majusculis fuscis, e basi late cuneata v. fere rotun- 

 data sat anguste obovata v. obovato-oblanceolata (6-11 cm.: 2.5- 

 4.5 cm.), acuminata, breviter argute serrata dentibus latiusculis rectis 

 V. vix sursum curvatis, supra glabra, subtus semper fere in nervo- 

 rum axillis fasciculato-barbata, initio membranacea, dein cartilaginea, 

 jam sub anthesi venarum reticulo utraque pagina manifeste promi- 

 nulo, subtus baud papillosa (sub microscopio). Racemi erecti, absque 

 pedunculo 0.8-1.5 cm. longo 3-9 cm. longi, circ. 10-35 flori, axi dense 

 velutino; bracteae caducae, ignotae; pedicelli 1-2.5 mm. longi, glabri; 

 cupula patelliformis 3.5 mm. lata, extus glabra, intus margine ex- 

 cepto pilosa, sub fructu cum sepalis persistens; sepala cupulae circ. 

 aequilonga, triangularia obtusa, crebre denticulato-glandulosa; pe- 



