504 197. CUPULIFERX : CORYLEX. 
Tsepauly near Tchenkeoutin (Farges, 809!) Mus. Brit.; 
Herb. Kew.; Mus. Paris. ; Herb. Florent. 
The type in the Central and Eastern Himalaya. 
The more spinous involueres separate the variety from the 
Himalayan type. There is apparently no other means of distin- 
guishing the two forma. 
3. Corylus heterophylla, Fisch. ev Bess. in Flora, 1834, Beibl. 
24; A. DC. in DC. Prod. xvi. 2, p. 120; Maaim. in Mél. Biol. 
xi. p. 817; Franchet, Pl. David. i. p. 278; Kanitz in Ber. math.- 
nat. Ungarn, ii. (Reprint) p. 8, et Pl. Ewped. Szech. p. 57; 
Herder in Act. Hort. Petrop. xi. p. 362. 
Corylus Avellana, Baker $ S. Moore in Journ. Linn. Soc. xxvii. p. 387. 
N. Casa (Skatschtow ex Maximowicz) ; SH1NaKiNG : Fung- 
whangshan (Ross, 19 !), between Mukden and Tungscheshien, and 
Mt. Chanpeishan (James!) ; Curnrr: Peking (David, 483, ex 
Franchet), Mt. Siaowutaishan near Peking (AMóllendorff, 78), 
Pohuashan (Bretschneider ex Maximowicz), Jehol (David, 1730); 
Sneyst: Mt. Kinquasan near Scekintsuen (Giraldi, 55!); 
Kassun: Dshoni river (Potanin!), Lantschan, south of the 
Hoangho (Piasezki ex Maximowicz, in litt.), north of Hoszhien 
(Szechenyi ex Kanitz); CongA (Veitch, 93!). Mus. Brit. ; Herb. 
Kew ; Herb. Florence. 
/ Var. Crista-galli, Burkill. Bractee margine modo criste-galli 
cristatz, nuci fere equales nec cam longe superantes, dentibus 
subtriangnlaribus. Petioli setis glanduliferis quam bractee 
densius tecti. 
Hurren: Patung ard Tungku (A. Henry, 1449, 2854, 2866, 
6413?) ; Hunan: Shihmen (A. Henry, 7942!) ; Yunnan: gorges 
of Lanho near Laukong (Delavay,128!). Mus. Brit. ; Herb. Kew.; 
Mus. Paris. 
Var. sutchuenensis, Franchet in Journ. de Bot. 1899, p. 199. 
SZECHUEN : Mayetse (Farges, 809!). Mus. Paris. 
Var. yunnanensis, Franchet in Journ. de Bot. 1899, p. 198. 
Yunnan: Mengtze, at 6500 feet, and Mile at 6000 feet (A. 
— Henry, 9682, 9594 !), Ridge of Heechanmen at 10,000 feet | 
(Delavay !), Mt. Tsongchan above Tali (Delavay, 555 !). Herb. 
Kew.; Mus. Paris. 
Eastern Siberia, Japan, and China, where its southern forms 
approach C. Colurma. It is to be sought for in the Himalaya. 
