314 APPENDIX I 



Gamete, the sexual unit, male or female, consisting of a 



naked mass of protoplasm, motile or non-motile. 

 Gamopetalous, applied to flowers in which the petals are all 



united together ; cf. Polypetalous. 

 Genus (plural Genera), a group or collection of nearly related 



species, possessing certain characters in common by which 



they are distinguished from other groups or genera 



(pp. 15, 249). 



Geophilous ; see Geophyte. 

 Geophyte, a plant which develops its aerial organs more or 



less completely beneath the surface of the soil (see p. 125). 

 Germination, the first act of growth of a seed. 

 Glabrous, without hairs. 



Gland, a definite secreting organ, usually superficial (p. 212). 

 Glandular Hair, a hair with an enlarged apex, containing a 



secretion (pp. 72, 99). 

 Globose, spherical. 

 Gymnosperm, a flowering plant whose ovules are not enclosed 



in carpels ; cf. Angiosperm. The Gymnosperms include 



the Coniferae (q.v.). 

 Gynaeceum, the carpels or female organs of a flower, considered 



as a whole. 



Habit, the external form of the plant, its shape or build. 

 Habitat, the particular kind of locality in which a plant 



flourishes e.g., a marsh, a forest. 

 Head of Flowers = Oapitulum (q.v.). 

 Herbaceous, not woody. 

 Hermaphrodite, applied to flowers which possess both male 



and female organs. 

 Heterostylism ; see Dimorphism. 

 Holophyte, a plant which obtains all its own nourishment 



itself, and does not live parasitically or saprophytically. 

 Homologous, having the same type of structure, but not 



necessarily the same function ; cf. Analogous. 



