212 WILSON EXPEDITION TO CHINA 



V. glabra, nervis utrinsecus 9-12, subtus vix pallidior, papyracea. 

 Involucra sub anthesi omnia persistentia v. magna ex parte decidua, 

 6-12 mm. longa, 4-9 mm. lata; pedunculus brevissimus v. rarius ad 

 10 mm. longus; flores (l-)2-4(-5) umbellati v. rarius breviter racemoso- 

 umbellati, praecoces; bracteae ante anthesin deciduae; pedicelli 5-18 

 mm. longi, glabri; cupula 4-5 mm. longa, e basi obtusa crassius- 

 cule campanulato-tubulosa, glabra; sepala erecto-patula v. paten tia, 

 ovata V. ovato-triangularia obtusiuscula, 2.5-4 mm. longa, Integra, 

 glabra v. tenere ciliolata; petala ovata v. obovata, 10-12 mm. longa, 

 7-7.5 mm. lata, bilolDO-emarginata sinu triangulari-aperto, alba ad 

 rosea; stamina 33-43, petalis paullo v. quarta parte breviora, ad 8- 

 10 mm. longa; pistillum 11-13 mm. longum, stylus staminibus sub- 

 brevior v. sublongior, glaber. Drupa ovalis, 8-11 mm. longa, 5-9 

 mm. diam., rubra; putamen ovale, 6.5-8:4.5-5.3:4-4.3 mm., sulcis 

 obsoletissimis juxta carinam planam. 



Western Hupeh: Changyang Hsien, woods, alt. 1000-1500 m., 

 April and June 1907 (No. 3, mixed with fruiting branches of P. 

 malifolia Koehne); Changyang Hsien, woodlands, alt. 1000-1200 

 m., flowers, without date, fruiting specimens, June 1907 (No. 5); 

 Changyang Hsien, woods, alt. 1000-1200 m., April and June 1907 

 (No. 7); Changyang Hsien, woodlands, common, alt. 1000-1200 m., 

 April and June 1907 (No. 11); north and south of Ichang, woods, alt. 

 600-1600 m., March and July 1907 (No. 3^); Ichang, cultivated, 

 March 14, 1900 (Veitch Exped. No. 152). 



This species is named for the wife of the author. 



Pninus Helenae Koehne, n. sp. 



Prunus rufoides, var. glabrifolia Schneider in Fedde, Rep. Nov. Sp. I. 56 (1905) 

 verisimiliter hue ducenda. 



Arbor 4-6-metralis; ramuli hornotini glabri, fusci, annotini intense 

 fusci, submicantes; gemmae 1.5 mm. longae, glabrae. Stipulae 

 ignotae; petioh 12-18 mm. longi, glabri, glandulas 1-3 crassas prope 

 apicem v. pro parte medio gerentes; lamina e basi subcordata v. 

 rotundata ovata, ovato-oblonga v. obovato-oblonga, 7.5-11.5 cm. longa, 

 3.8-5.3 cm. lata, anguste acuminata, profunde argute duplicato-serrata 

 dentibus vix acuminatis, glandula parva, breviter conica terminatis, 

 glabra v. subtus in nervorum axilhs barbulata, nervis utrinsecus 7-12, 

 subtus vix pallidior, membranacea. Involucra sub anthesi persistentia, 

 1-1.4 cm. longa, 0.8-1 cm. lata, erecta; pedunculus nullus v. brevis- 

 simus; flores 3 umbellati, praecoces; pedicelli 8-15 mm., fructiferi ad 18 



