REVISION OF THENATURAL ORDER HEDERACEZX. 301 
proved their specific differences. The extreme length of the pedicels 
distinguishes D. Darienense at first sight from all its allies. 
5. D. proteum, Benth. Fl. Hongk. p. 186.—Hedera protea, Champ. 
in Kew Journ. iv. p. 122 ; Hongkong (Champion! Wright !). 
6. D. parviflorum, Benth. Fl. Hongk. p. 137.—Hedera parviflora, 
Champ. in Kew Journ. iv. p. 122.— Hongkong (Champion !). 
7. D. Japonicum, Seem.— Hedera Japonica, Jungh. Nov. Gen. et 
Sp. Plant. p. 25, n. 22; Walp. Rep. ii. p. 431.—Japan, not Java as 
enm by Walp. (Blume ! in Herb. Benth.). 
. D. ovatum, Seem.—Hedera ovata, Wall. Cat. n. 4911; G. 
in: Gen. Syst. iii. p. 392; Walp. Rep. ii. 431.—Madras (Wallich ! 
n. 4911). 
Though the bulk of species belonging to Dendrop anav is American, 
the admission of Hedera protea, parviflora, ovata, and Japonica,—four 
Asiatic species, —is justified by their agreeing in every respect with the 
definition now adopted for the genus. 
** Umbellis compositis. 
9. D. Juergenseni, Seem. n. sp.; glabrum, foliis ovato-oblongis v. ob- 
longis acuminatis integerrimis, basi attenuatis, venis pinnatis horizonta- 
liter divergentibus, umbellis terminalibus compositis, ramis (pedicellis 
primariis) medio articulatis bracteatis, pedicellis (secundariis) basi 
bracteolis minutis ferrugineis instructis.—Sierra San Pedro Nolasco, 
Mexico (Jiirgensen ! n. 729 in Herb. Hook.). 
Allied to D. arboreum, but all the veins diverge horizontally from 
the midrib, even the lowermost.  Leafstalk 2-3 inches long; largest 
leaf-blade 7 inches long, 4 inches broad, and having 11-12 veins on 
each side of the costa.—In D. arboreum the two lowermost veins form 
an acute angle with the midrib, the same is the case in D. cuneatum. 
10. D. Fendleri, Seem. mss. n. sp.; glabrum, robustum, foliis longe 
petiolatis ovatis acuminatis integerrimis crasse coriaceis, basi 3-5- 
nerviis, supra viridibus lucidis, subtus pallidioribus opacis, umbellis 
terminalibus compositis, pedicellis inarticulatis, floribus ..., drupa 
baccata (nigra) 5-angulata 5-pyrena, stylis 5 basi arcte connatis apice 
divaricatis eoronata.— Tovar, Venezuela (Fendler ! n. 529). 
Petiole 3 inches long; bladé 4—5 inches long, 3-3} inches broad ; 
drupe 2 of an inch across. 
ll. D. arboreum, Dene. et Planch. Rev. Hortie. 1854, p. 107.— 
Hedera arborea, Swartz, Fl. Ind. Occ. p. 518; De Cand. Prodr. iv. p. 
