EOSACEAE. — COTONE ASTER 169 



This 13 a common ahrub in the dry, arid river valleys of western Szech'uan. 

 In No. 1317 the fruits have usually only one stone and the hypostyle covers about 

 one half of it all around, while in No. 4015''' usually two stones are present with 

 the hypostyle covering about one third of the dorsal side. 



Cotoneaster racemiflora, var. microcarpa Rehder & Wilson, n. var. 



Frutex 1-2-metralis ramis gracilibus virgatis; ramuli hornotini 

 initio villosuli, demum glabrcscentes, annotini fusco-rubri, nitiduli, 

 vetustiores cinereo-fusci. Folia decidua, ovalia v. ovali-elliptica, rarius 

 obovata, obtusa, rarius acutiuscula v. emarginata, mucronata, basi 

 cuneata, rarissime rotundata, 10-17 mm. longa et 6-10 mm. lata, 

 supra initio sparse villosi, demum glabra, obscure viridia, subtus ap- 

 presse cinereo-tomentosa, interdum demum glabrescentia et pallide 

 viridia; petioli graciles, 3-5 mm. longi, villosuli, saepe demum glabre- 

 scentes. Flores ignoti. Fructus 2-4 in racemis laxis, pedicellis cum 

 pedunculo 1-1.5 cm. longis gracilibus villosulis v. fere glabris, ovoidei, 

 6-7 mm. longi et 5 mm. diam., apice truncato aperti, basi contracti, 

 saturate rubri, glabri; pyrenae 2, 4-4.5 mm. longae et 3 mm. diam., 

 ventre planae, nitidulae, stylum paullo infra apicem gerentes, dorso 

 leviter sulcatae, brunneae, hypostylio quadrantem dorsi occupante 

 flavido-brunneo villosulo nitidulo. 



Western Szech'uan: Min Valley, near Sung-pan Ting, alt. 2300- 

 2600 m., September 1910 (No. 4014). 



This variety approaches Cotoneaster racemiflora, var. soongorica in the character 

 of its pubescence, but the small, ovoid fruits easily distinguish it from tliis and all 

 other forms of Cotoneaster racemiflora. It may possibly be a distinct species. 



Cotoneaster hupehensis Rehder & Wilson, n. sp. 



Cotoneaster integerrima Hemsley in Jour. Linn. Soc. XXIII. 260 (pro parte, 

 non Medikus) (1887). 



Frutex 1.5 m. altus ramis gracilibus divaricatis; ramuli initio ap- 

 presse villoso-tomentosi, demum glabrcscentes; annotini fusco-rubri, 

 glabri, nitiduli. Folia decidua, ovata v. ovalia ad elliptica, obtusa v. 

 acutiuscula, mucronulata, rarissime emarginata, 1.5-2.8 cm. longa 

 et 1-1.8 cm. lata, supra sparsissime accumbenti-pilosa, demum glabra, 

 nitidula, saturate viridia, subtus tomento cinereo tenui sed denso 

 obtecta, nervis utrinsecus 4-5 supra impressis subtus elevatis; petioli 

 graciles, 3-5 mm. longi, villosuli. Corymbi numerosi secus ramos 

 elongatos in apice ramulorum brevium lateralium, 3-7-flori; pcdicelli 

 cum pedunculo 1-1.5 cm. longi, villoso-tomentosuli; calyx densius 

 V. laxius villosulus, interdum cito glabrescens, dentes late triangulares 



