174 JOURNAL OF THE ARNOLD ARBORETUM [vol. iv 



citations in all probability refer to a black-fruited form of M. alba; M. nigra 

 is not known to be cultivated in China. 



Of Morus alba var. laciniata Beiss. cited by Hers (1. c.) as occurring in 

 Honan, I have seen no specimens; M. alba var. laciniata Beiss., not K. 

 Koch, is a synonym of M. alba f. skeletoniana Schneid. and is a garden 

 form which originated in North America. 



Moms cathayana Hemsley in Jour. Linn. Soc. xxvi. 456 (1894). — 



Schneider in Sargent, PL Wilson, in. 292 (1916). — Koidzumi in Bull. 



Imp. Seric. Exp. Sta. Jap. ix. 42 (Rev. Gen. Morus) (1917). 



Honan: Lu shih, Lao kiun shan, alt. 2000 m., J. Hers, September 21, 

 1919. 



Shensi: Lung chow, Lia kiao po, alt. 1800 and 1400 m., J. Hers, nos. 

 2371 and 2381, July 4, 1922. 



Distribution: also Kiangsu, Chekiang, Hupeh, Szechuan, Hunan 

 (Handel- Mazzetti, no. 12106). 



The three specimens cited are sterile, but according to shape, serration 

 and pubescence of the leaves they apparently belong here, though no. 

 2381 has the leaves deeply lobed, a shape not common in this species. 



Morus mongolica Schneider in Sargent, PI. Wilson, in. 296 (1916). 



b-e 



Gen. Morus) (1917). 



Morus alba var. mongolica Bureau in De Candolle, Prcdr. xvn. 241 (1873). 

 Chili: "ad Gehol," A. David (no. 1804, partly, ex Bureau); Pan shan, 

 highest temple grounds, A T . //. Cowdry, no. 1244, May 18, 1921. 



Honan: Yung ning, Tsi li ping, alt. 1000 m., J. Hers, no. 1353, Septem- 

 ber 30, 1919. 



Sh ansi: Hia hsien, Huang lai kow, J. Hers, no. 1861, October 2, 1921. 



Manchuria 



Moru 



36 (1917); in Bull. Imp. Seric. Exp. Sta. Jap. ix. 30, t. 1, fig. a (Rev. 

 Gen. Morus) (1917). 



Morus alba var. mongolica Bureau in De Candolle, Prodr. xvn. 242 (1873), 

 quoad plantam foliis pubescentibus. 



Chili: "ad Gehol," A. David (no. 1804, partly, ex Bureau); Pan shan, 

 temple garden wall, .V. H. Cowdry, no. 1306, May 1G, 1921; Hsiao wu tai 

 shan, southeastern valley, alt. 900-1500 m., J. Hers, no. 2201, October 9, 

 1922; Ta lung men, J. Hers, no. 2218, October 10, 1922. 



Shensi: Tai pei shan, W. Purdom, no. 981, 1910. 



Distribution: also Kiangsu (Hers, no. 2316); Korea (ex Koidzumi, 

 1. c). 



This variety resembles in its pubescence M. cathayana Hemsl., but it 

 has the aristate teeth of M. mongolica. From M. mongolica var. vestita 

 Rehd. which is also pubescent, it differs in its much larger deeply lobed 



