50 BOTANY. 
higher, accompanied by a few Saxifrages, Gentians, and Grasses, while 
_Lichens and Mosses struggle up to the imperishable barrier of perpetual — 
snow.” 
Some authors establish five regions of mountain vegetation, including 1, the 
region of Lowland cultivation; 2, Region of woods; 3, Region of shrubs; 
4, Region of grasses ; and 5, Bedinn of Cnepaseana i A more elabo- 
rate eiaeeifewiaad by Meyen is as follows ; 
1. Region of Palms and Bananas. 
0 to 1900 feet high. Temperature 802° to 86° F. ie to the 
equatorial zone. 
Forests of Mangrove at the sea coasts, and at the mouths of rivers. Ar- 
borescent grasses covering extensive tracts, dense forests of fig trees, Tourne- 
fortia, Dodonea, Barringtonia, Mimosa, Be: overtopped by palms, Musacee, 
and Scitaminez. 
2. Region of Tree Ferns and Ficus. 
1900 to 3800 feet high. Temperature 74° F. Corresponds to the tropic 
zone. 
Arborescent ferns from 20 to 30 feet high, Cinchonacezx, Artocarpus, ‘aid 
Ficus, with Reed Palms, and Passiflore. The undergrowth of Acanthaceze 
Tiliaceze, Euphorbiacee, Tr with Aroidez and Piperacese. 
3. Region of the Myrtles and Laurels. 
3800 to 5700 feet high. 68° to 69.8° F. Corresponds to the subtropical 
zone. 
Dicotyledonous trees, with glossy leaves, shrubby ferns, Quercus, Liquid- 
ambar, Laurinese, Proteaceze, Rubiacez, Erica, Styrax, Sapindaceze, Mal- 
pighiaceze, Melastoma, Myrtus, Eugenia, Eucalyptus, Acacia. 
4. Region of Evergreen Dicotyledonous ‘Trees. 
5700 to 7600 feet high. Temperature, 62.6° F. Corresponding to the 
warmer temperate zone. 
Quercus, Laurineze, Melastomacese, Myrtacese, Colletia, Cactaceze. 
5. Region of Deciduous Dicotyledonous Trees. 
7600 to 9500 feet high. Temperature, 57.2° F. Corresponding to the 
colder temperate zone. 
50 
