HORACE AE. — MORUS 297 



mm. longis), 8-17 cm. (acumine integro 1-3 cm. longo incluso) longa 

 et 4-8(-9) cm. lata; petioli pilosuli v. plerique glabri, 2.5-4 cm. longi; 

 stipulae late lineares, acutae, extus flavo-sericeae, petiolis subduplo 

 breviores, caducae. Inflorescentiae cf cylindricae, laxiflorae, circiter 

 3-4 cm. longae et 0.7 cm. crassae, pedunculis gracilibus subpilosis ad 

 1.5 cm. longis suffultae, rhachi laxe hirtellae; flores sessiles, 4-meri, 

 tepalis ovato-oblongis subacutis extus satis flavo-hirtellis, staminibus 

 4, filamentis adultis quam tepala fere duplo longioribus basim versus 

 sensim sed paulo dilatatis, gynaecei rudimento minimo. Inflorescen- 

 tiae 9 breviter cylindricae, fructiferae ad 2 cm. longae, circiter 0.7 cm. 

 crassae, rhachi laxe v. densius flavo-villosae, pedunculis ad 1.5 cm. 

 longis laxe pilosis suffultae ; flores tepalis 4 late ellipticis apice obtusis 

 facie glabris margine praecipue apice minute v. distinctius ciliatis; 

 ovaria glabra, in stylum distinctum Yi'Y^ ovarii aequantem producta, 

 stigmatibus 2 stylo longioribus papillosis. Fructus nigri v. pallide rubri. 

 Western Hupeh: Changlo Hsien, cliffs, alt. 900 m., June 1907 

 (No. 8; thin tree 3 m. tall, fruits black); Lung-wang-tung, near 

 Ichang, cliffs, alt. 300 m., April 20, 1907 (No. 8^; bush 2.1-3.6 m. 

 tall; cf); north and south of Ichang, cliffs, alt. 600-1200 m.. May 

 1907 (No. 8*=; thin tree, 3-4.5 m. tall; o"); Hsing-shan Hsien, ravine, 

 alt. 600 m.. May 24, 1907 (No. 8-^; bush 8 m. tall, little branched, fruits 

 pale red, sweet, palatable) ; same locality, cliffs, 900-1200 m., July 1907 

 (No. 8^; thin tree, 3 m. tall; sterile); same locality, etc. (No. 8'; $). 

 Szech'uan: without precise locality, A. von Rosthorn (without No.; 

 fruiting specimen). Yunnan: " Brousse des rochers a Kiao- 

 MMi," alt. 3100 m.. May 1911, E. E. Maire {" grand arbuste, fruits 

 roses"); "Rochers des coteaux a Pan-Pien-Kai," alt. 2500 m.. 

 May 1912, E. E. Maire {" petit arbre dont I'ecorce donne le papier 

 chinois "). Chili: "ad Gehol, Toumet, Sart-chy," A. David (Nos. 

 1804, 2635, types ex Bureau). 



NORTHEASTERN ASIA. Korea: Chinnampo, September 20, 1905, J. G. 

 Jack (sterile). 



This is a very distinct species in the peculiar long aristate teeth of the leaves, 

 which I have not found in any other species of the genus. I have not seen any 

 type specimen, and according to Bureau's description I believe he mixed his va- 

 riety with hairy specimens of M. acidosa GriflBth. In its leaves M. mongolica 

 somewhat resembles M. serrata Roxburgh (see p. 302). 



Morus acidosa Griflath i' Not. PL As. IV. 388 (acidosus) (1854). 



' Griffith's species has been overlooked by Bureau and other authors, and 

 it is only mentioned by Hooker f. with a " ? ". Griffith's description is good and, 



