ROSACE AE . — PRUNUS 20 1 



rubra; putamen ovatum, 6:4:3.5 mm. v. 5.5:4:3.5 mm., sulcis paucis 

 obsoletis juxta carinam planam. 



Western Hupeh: Hsing-shan Hsien, woods, alt. 1800 m., 1907 (No. 

 62, as to flowering branches; the fruiting branches belong to P. laxi- 

 fiora Koehne), Hsing-shan Hsien, alt. 1300-2000 m.. May 29 and 

 July 1907 (No. 2832); Wan-tiao-shan, Hsing-shan Hsien, alt. 2000- 

 2600 m., June 5, 1907 (No. 2829); Fang Hsien, woods, alt. 1600- 

 2500 m., June 1 and August 1907 (No. 174); Fang Hsien, July 1901 

 (Veitch Exped. No. 2075). 



Prunus tatsienensis Batalin, var. stenadenia Koehne, n. var. 



Arbor 6-10-metralis glaberrima; rami hornotini adulti intense fusci, 

 annotini nigrescentes; gemmae 1.5-2 mm. longae. Stipulae anguste 

 ovatae, 2-3 mm. longae glanduloso-dentatae, herbaceae; petioli 10- 

 14 mm. longi, tenues, pallidi; glandulae 1-3, petioli apici v. laminae 

 basi insertae; lamina e basi acuta v. obtusa v. vix unquam subcordata 

 obovato-oblonga, in foliis nonnullis ovata v. obovata, 3.5-6 cm. longa, 

 2.2-3 cm. lata, subito caudata, simpliciter v. media parte subduplicato- 

 serrata, dentibus glandulam validaan conicam gerentibus, nervis 

 utrinsecus 9-13, supra laete, subtus pallide viridis. Flores ignoti. 

 Umbellae sub fructificationis tempore pedunculo 13-14 mm. longo 

 insidentes; bracteae circiter 4, inferiores steriles, 5-8 mm. longae, 

 late spathulatae, superiores 2 f ertiles 2-3 mm. longae, omnes glanduloso- 

 dentatae, glandulis anguste oblongis; pedicelli gemini, 13-19 mm. 

 longi. Drupa globosa, 11 mm. longa, 10 mm. diam., fusco-rubra; 

 putamen rotundatum, 6.5:5.5:4.8 mm., juxta carinam planam atque 

 suturam costulis nonnullis brevibus obliquis parum anastomosantibus. 



Western Szech'uan: Pan-lan-shan, west of Kuan Hsien, wood- 

 lands, alt. 2300-3000 m., August 1910 (No. 4039). 



I am not sure whether this form can be referred to P. tatsienensis, as this species 

 bears on the teeth of the bracts very thick, depressed and disk-Uke glands. More- 

 over as only flowering branches are known of P. tatsienensis it is impossible to com- 

 pare the flowers and fruits of these two forms. 



Prunus variabilis Koehne, n. sp. 



Arbor v. frutex arborescens, 3.3-8 m. altus; ramuli novelli nunc 

 glabri nunc basi nunc toti sericeo-hirti v. hinc glabri, demum glabres- 

 centes, vetustiores glabri, pallide v. nigrescenti- v. fuscescenti-cinerei; 

 gemmae 1-2 mm. longae, glabrae. Stipulae oblique ovatae ad lancco- 

 latae, 4-11 mm. longae, glanduloso-serratae v. -fimbriatae, glandulis 

 capitatis, herbaceae; petioli 5-12 mm. longi, parce rigidulo-villosi, 



