CORRECTIONS. 
Pinus Armandii (p. 1). In the synonym Pinus Mastersiana change date from 
1898 to 1908. 
Hydrangea Davidii (p. 25). Add as a synonym: Hydrangea Arbostiana Léveillé 
in Bull. Acad. Intern. Geog. Bot. XII. 115 (1903).— Cf. Rehder in Mitt. 
Deutsch. Dendr. Ges. XXI. 186 (1912). 
Hydrangea xanthoneura, var. glabrescens (p. 27). This variety is to be referred 
to H. Bretschneideri as HYDRANGEA BRETSCHNEIDERI, var. GLABRESCENS Reh- 
der. — Cf. Rehder in Mitt. Deutsch. Dendr. Ges. XXI. 186 (1912). 
Hydrangea Bretschneideri, var. setchuenensis (p. 28). This variety is to be 
referred to H. zanthoneura as HYDRANGEA XANTHONEURA, Var. SETCHU- 
ENENSIS Rehder in Mitt. Deutsch. Dendr. Ges. XXI. 186 (1912). 
Hydrangea Bretschneideri, var. lancifolia (p. 28). This variety is to be referred 
to H. zanthoneura as HYDRANGEA XANTHONEURA, Var. LANCIFOLIA Rehder in 
Mitt. Deutsch. Dendr. Ges. XXI. 186 (1912). 
Hydrangea strigosa, var. angustifolia (p. 32). The citation of the synonym 
should read: Hydrangea aspera, var. ? angustifolia Hemsley in Jour. Linn. 
Soc. XXIII. 273 (1887). 
Rubus simplex (p. 48). Date 1854 should read 1890. 
Acer sutchuense (p. 97). Read ACER SUTCHUENENSE. 
Ampelopsis heterophylla, var. amurensis (p. 100). The A. heterophylla, var. 
amurensis Planchon does not seem to occur in central and western China. 
. Most of the specimens enumerated under this variety belong to the fol- 
lowing species: 
Amprtopsis MICANS Rehder in Mitt. Deutsch. Dendr. Ges. XXI. 188 (1912). 
dee repens Veitch, Novelties 1908-1909, 8, fig. p. 29 (non Wight & Arnott) 
1908). 
Ampelopsis heterophylla, var. amurensis Gagnepain in Sargent, Pl. Wilson. 
I. 100 (pro parte, non Planchon) (1911). : 
"Western Hupeh: (Nos. 157, type, 129, 159, 2721, 2723), Veitch Exped. 
(Nos. 1141, 11412). 
Ampelopsis heterophylla, var. cinerea (p. 101). The two specimens enumerated 
under this variety belong to two different species: 
AMPELOPSIS MICANS, Var. CINEREA Rehder in Mitt. Deutsch. Dendr. Ges. XXI. 
189 (1912). 
Ampelopsis heterophylla, var. cinerea Gagnepain in Sargent, Pl. Wilson. 
I. 101 (pro parte) (1911). 
Western Hupeh: (No. 2736, type; also Nos. 168, 2718, 2719, 2722 and 
A. von Rosthorn’s No. 1557). i : 
Only No. 2736 represents the typical form of this variety, all the other 
numbers are transitions toward the type of the species. 
AMPELOPSIS HETEROPHYLLA, var. VESTITA Rehder in Mitt. Deutsch. Dendr. Ges. 
XXI. 189 (1912). dic : 
Ampelopsis heterophylla, var. cinerea Gagnepain in Sargent, PI. Wilson. 1.101 
(1911), quoad specimen No. a 
