KEVISrON OF THE NATURAL ORDER HEDERACJSiE. 271 
4. 0. Mntisianim, Dene, et Planclh L c,~Aralia Mutkiana, H. B. 
et K. Nov. Geu. v. p. 1. A. JieteropJiylla, Mutis. non Willd. Iledera 
MidUiana, De Cand. Prod. iv. p, 263.— New Granada (Mutis, Hum- 
boldt and Boiipland, Linden! n. 1259; Goudot! n. 1; Hartweg! n. 
935; Triana! 189; Purdie !). 
5. O, semlijlonim^ Dene, et Planch, in Eev. Hort. 1. c. — Iledera ses- 
siUJlora, Benth. PL Hartweg. p, 146. — Ecuador, near Loja (Hartweg! 
816). 
6. 0. avicennuefoUurii^ Dene, et Planch, in Eev, Hort. 1. c. — Aralia 
avicenmafolia., H. B. et K. Nov. Gen. v. p. 2. t. 2. Iledera avicen- 
7iirpfoliay De Cand. Prod. iv. p.- 263, Aralia tracJionantJdfoUa, Willd. 
in Eoem. et Schult. Syst. vi. p. 698. — Ecuador (Humboldt and Bon- 
pland; Spruce! n. 5999). 
7. 0, Echinojjs, Dene, et Planch, in Eev. Hort. 1. c. — Hedera Echi- 
nops^ G. Don, Gen. Syst, iii. p. 394. Aralia Echinops^ Schlecht., 
Linnsea, v, p. 174. — Mexico, 
8. O. macrocephalimiy Dene, et Planch, in. Eev. Hort. 1. c. sine de- 
script. ; ramis petiolis rachibus pedunculisque ferrugineo-tomentosis 
dcinum glabratis; foliis ovato- v. subrotundato-oblongis acuminatis 
dentatis v. grosse repando-dentatis, 3-nerviis coriaceis, supra glabris, 
subtus dense flavido-tomentosis ; capitulis masculis globosis in racemos 
elongatos dispositis; bracteis ovatis acuminatis; petalis extus villosi- 
usculis ; capitulis fructiferis oblongis in racemos abbreviates dispositis ; 
baecis globosis stylis 5 diberis coronatis. — Province of Larecaja, 
Bolivia, in forests (Mandon ! n. 571; Kelly! in Herb. Btli. — ) 
Petioles 3-4 inches long ; blade of leaf 5-6 inches long, 3-4 inches 
broad ; female flower-heads as large as a good-sized walnut. The plant 
here described must be 0. macrocephalnm, which M. Decaisne informs 
me is founded upon a specimen gathered by Weddell in the same locality 
as that collected by Mandon. 
9. 0. LecJderi^ Seem, (sp. nov.) ; robustum ; ramis petiolis rachibus 
pedunculisq^ue ferrugineo-tomentosis demum glabratis ; foliis ovato- 
oblongis acuminatis, basi subcuueatis, integerrimis v. hmc inde den- 
tatis, 5~7-nerviis, supra glabris, subtus dense ferrugineo-tomentosis'; 
capitulis fructiferis longe pedunculatis panels; stylis 5-7 ; c^t. ign. 
Gachapata, Peru (Lechler! n. 2286). — Leaves about a foot long, 4-5 
inches broad. Eruiting flower-heads as large as a cherry. 
10. 0. cordatum. Planch, et Linden, Araliaceae, p. 7. ined. — New 
