ROSACEAE. — PRUNUS 201 
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- 
flora 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 em. lata, subito caudata, simpliciter v. media parte subduplicato- 
Serrata, dentibus glandulam validam conicam gerentibus, nervis 
utrinsecus 9-13, supra laete, subtus pallide viridis. Flores ignoti. 
Umbellae sub fructificationis tempore peduneulo 13-14 mm. longo 
insidentes; bracteae circiter 4, inferiores steriles, 5-8 mm. longae, 
late spathulatae, superiores 2 fertiles 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). 
Tam not sure whether this form can be referred to P. tatsienensis, as this species 
on the teeth of the bracts very thick, depressed and disk-like 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. A 
Arbor v. frutex arborescens, 3.3-8 m. altus; ramuli novelli nunc 
glabri nune basi nunc toti sericeo-hirti v. hinc glabri, demum glabres- 
centes, vetustiores glabri, pallide v. nigrescenti- v. fuscescenti-cinerel; 
gemmae 1-2 mm. longae, glabrae. Stipulae oblique ovatae ad lanceo- 
latae, 4-11 mm. longae, glanduloso-serratae v. -fimbriatae, glandulis 
capitatis, herbaceae; petioli 5-12 mm. longi, parce rigidulo-villosi, 
