48 INTRODUCTION-TO BOTANY. 
‘True parasitic, parasitice. Growing at the expensé of 
the plant on which they fix themselves. 
1. On the root, epirhize. Orobanche, Hypopithys 
lutea. 
2. On the bark, corticales. Many lichens. 
3. On the wood, epixylonee. Most hypoxylez. 
4, On leaves, epiphylle. Uredo, Aicidium, Puccina. 
{ Subterranean, subierranee. Growing under the ground. 
Tuber cibarium. 
{ Growing on dead animals, epixoarie. 
15. Country. 
Native, indigene. Natural to the soil on which they 
grow, whether wild or cultivated. 
Foreign, exotice. Brought from foreign countries. 
16. Feri ility. 
Fertile, plant@ fertiles. Producing fruits; Female, Her- 
maphrodite, and polygamous plants. 
Barren, steriles. Not producing fruit ; Male and neuter 
plants. . 
ROOT. 
Radix,—rhizos, That part of the plant, which is usually 
buried in the earth, and absorbs the nutriment of the plant. 
1. Species. ‘ 
Root, Radix. A root of the common sort, and of a large 
size. 
Rootlet, Radicula. A smaller root than common. 
Radicelle, Radicella. ‘The new roots when first emitted 
in germination. 
o. Paris: 
Main root, Radix, Descensus, Truncus subterraneus. The 
part next the stem, not yet divided into radicles. 
Radicles, Radicule. ‘The ramifications from the main 
root. 2 
Head of the root, Caput radicis. The part which touches 
an herbaceous stem. 
Extremity of the root, Cauder radicis. That part of a 
main root not branched, which is further from the stem. 
Fibres, Filrille. The fine hair-like extremities of the 
radicles. Pl. 2; fig. 1. ¢.c; 11. d. 
