O06 PRINCIPLES OF BOTANY, ETC. 
only the half of the stalk, as in balm, Melissa o//:- 
cinalts. 
4. Close, (confertus), when one whirl stands close 
above another. 
5. Distant, (distans), when the whirls stand at a 
distance from one another. 
6. Naked, (nudus), when no leaves or bractex 
stand near the whirl. 
7. Furnished with bractez, (bracteatus), when 
there are floral leaves or bracteze about the whirl. 
8. Six, eight, ten, or many-flowered, (sex, octo, 
decem, s. multiflorus), when the whirl consists of nary 
flowers. 
§ 53. 
A HEAD, (capitulum), is a number of flowers 
standing thick upon one stalk so as to form a round 
head. The flowers have either foot-stalks or sit 
close. The following are varieties of this: 
1. Spherical, (globosum, sphericum), when the 
flowers have a perfectly round form, as in the 
Gomphrena globosa, fig. 199. 
2. Roundish, (subrotundum), when the head ot 
flowers is nearly round, but where the length ex. 
ceeds the breadth, as in clover, Trifolium pratense. 
3. Conical, (conicum), when the head is long, 
drawing towards a point, as in Trifolium montanum. 
4. Hemispherical, (dimidiatum, s. hemispharicum), 
when the head is round on one side and flat on the 
other. 
5. Leafy, ( foliosum), when the head 1s PHAR: 
os with leaves. 
6. Naked, 
