ARALIACEA. 575 
19. Oreopanax, sp. 
Sour Mexico, forests of Perote (Hahn). Hb. Kew. 
20. Oreopanax ?, sp. | 
GuatemaLa, Barranca Honda, Volcan de Fuego, 3800 feet (Salvin, 1). Hb. Kew. 
21. Oreopanax?, sp. 
Guatemata, Barranca Honda, Volcan de Fuego (Salvin, 3). Hb. Kew. 
Some of these unnamed specimens probably belong to described species referred to 
other genera. 
6. SCLIADODENDRON. 
Sciadodendron, Griseb. Bonpl. 1858, p.7; Benth. et Hook. Gen. Plant. i. p. 935, inter dub. 
An obscure genus, limited at present to the following one or two species :— 
1. Sciadodendron excelsum, Griseb. in Bonplandia, 1858, p. 7. 
Panama (Duchassaing). 
2. Sciadodendron, sp. 
PanaMa, without exact localities (S. Hayes, Seemann).—Co.tomBia. Hb. Kew. 
Order LXIX. CORNACE. 
~ Cornacee, Benth. et Hook. Gen. Plant. i. p. 947. 
Trees or shrubs, or very rarely herbaceous (Cornus). About seventy-five species, 
belonging to twelve genera. Distribution general, except in frigid regions; the species 
most numerous in the north temperate countries. 
1. CORNUS. 
Cornus, Linn. Gen. Plant. n. 149; Benth. et Hook. Gen. Plant. i. p. 950. 
Trees, shrubs, or very rarely herbs. About twenty-five species, natives of north 
temperate regions, including the mountains of Mexico; one is Peruvian. : 
1. Gornus disciflora, DC. Prody. iv. p. 293; Calques des Dess. Fl. Mex. 442. 
Cornus grandis, Ch. et Schl. in Linnea, v. p. 171. 
Nortn Mexico, Sierra Madre (Seemann, 2065) ; Sour Mexico, San Nicolas, valley of 
Mexico (Bourgeau, 998), Oaxaca, 7000 feet (Galeotti, 2716), Cumbre between Oaxaca 
and la Sierra (Hartweg, 466), without locality (Hahn, Bates). Hb. Kew. 
9. Cornus excelsa, H. B. K. Nov. Gen. et Sp. iii. p. 480. 
SourH Mexico, Misteca Alta, Cordillera of Oaxaca, 7500 feet (Galeotti, 718), in the 
mountains near Toluca (Andrieus, 350), Pedregal (Bourgeau, 55), Chiapas (Ghiesbreght, 
808). Hb. Kew. 
