498 197. CUPULIFERE: BETULEEX. 
Henry, 7409 ), Nanto and mountains to northward (A. Henry, 
3942 ), Changyang (A. Henry, 5238 !); SzECHUEN: Omei, 
3500 ft. (Faber, 919 !), S. Wushan (4. Henry, 5667 !), Heoupin, 
Tchenkeoutin at 5600 feet ( Farges!); Yunnan: Tchenfongchan 
(Delavay, 531!), Longki (Delavay!). Mus. Brit.; Herb. Kew.; 
Mus. Paris. : 
The type oceurs also in North India and Upper Burma. 
4. Betula chinensis, Maxim. in Bull. Soc. Nat. Mosc. 1879, 
p. 47. 
Betula exalata, S. Moore in Journ. Linn. Soc. xvii. p. 386. 
Carr: Peking, near the summit of Mt. Conolly, 5000-6000 ft. 
(Bretschneider, 77! Bullock, 92!); Suinexrne: Chienshan 
(Ross, 223, 428, 478, 553!). Herb. Kew. 
Ross’s no. 177 may be the same species. 
5. Betula dahurica, Pall. Fl. Ross. i. p. 60, t. 39. f. 1; 
Maxim. Ind. Fl. Pekin. in Prim. Fl. Amur. p. 477, et in Bull. 
Soc. Nat. Mose. 1879, p. 47; Regel, Moncgr. Bet. p. 55, et in 
DC. Prod. xvi. 2, p. V4; Franchet, Pl. David. i. p. 282 ; Herder 
in Act. Hort. Petrop. xii. p. 67. 
SHINGKING: between Mukden and Tungscheshien (James !); 
Cututr: Jehol (David, 1693, 1947, 2173, ex Franchet), Mt. 
Pohuashan (Móllendorf ex Maximowicz). Herb. Kew. 
Northern Asia. 
6. Betula Delavayi, Franchet in Journ. de Bot. 1899, p. 205. 
Yunnan: wood of Koutoui above Mosoyn at 9000 ft. ( Delavay, 
3725!) Mus. Paris. 
It is connected with B. utilis through the variety Prattii of the 
latter. Probably B. Potanini is very closely allied to this species. 
7. Betula Fargesii, Franchet in Journ. de Bot. 1899, p. 205. 
Hupeu: Fang(A. Henry, 6879!) ; SzEcuvEN: Heoupin, near 
Tehenkeoutin at 7200 feet (Farges, 1012!). Herb. Kew; Mus. 
Paris. 
8. Betula insignis, Franchet in Journ. de Bot. 1899, p. 206. 
SZECHUEN: T'chenkeoutin at 4600 ft. (Farges, 83!). Mus. Paris. 
A most marked species. 
9. Betula Potanini, Batalin in Act. Hort. Petrop. xiii. p. 101. 
SZECHUEN : at the river Honton near Sanshei (Potanin ex 
Batalin). 
