30) PRINCIPLES OF BOTANY, ETC: 
be called Nectaria; but some that are commonly 
called by the mame are very\different. Certainly 
those parts which serve for the protection of the 
nectarious juice, or of the pollen, or for the ad-— 
. vancement of the fructification, deserve at least the 
name of reservoirs of honey.. Such are the Pornix, 
the Barba, the Filum, and the: Corona. 
The arcH, (fornix), isa small elongation of the 
corolla, which commonly covers the stamina, or is 
eated at the aperture of the corolla. Its form is 
very various, as in comfrey, Symphytum officinale, 
mouse-ear, Myosotis scorpioides, &c. fig. 81. 
Vhe BEARD, (barba), consists of a number of 
short hairs or soft bristles which are situated at the 
opening of the calyx or, corolla; or on the petals, 
or at the bottom of the flower, as in Thymus, Iris, 
Periploca, &c. fig. 71, 90,92, 114. 
The THREAD, (/lum), is a long, thick body of a 
tender substance, and found very numerous in the 
bottom of the flower. The kinds are, 
1. Straight, (rectum). that has a quite straight di. 
rection, as in the passion-flower, Passiflora, fig. 27. 
2. Horn-like, (corniculatum), that is short and 
crooked hke a horn, as in Periploca, fig. 83, 91. 
The crown, (corona), 1s a very variable body, 
which appears under many different forms, and in 
figure generally resembles the corolla. There are 
A 
the following varieties : 
1. One-leaved, (monophylla), as in the Narcissus, 
fig. 146. | 
2, Bi, tri, tetra, &c. polyphylla, consisting of two, 
three, 
a 
