OUTLINES OF BOTANY. XLV 
a Thyrsus, or thy ype — cymes, usually opposite, are arranged 
in 2 narrow pyramidal “ki 
are panne geri where ee are intermediate 
o of ra 
one or the other name, according as they pre ype y apparent or by 
viene similarity. A spike-like panicle, where the axis is divided into 
eae ; 
described as an 
spike or raceme, according as the flowers are nearly sessile or distinctly 
pedicellate; although when losely Liga the flowers will be found to 
inserted not on the ut on a very short branch, thus, 
oO entaceae, 
cotyledons, the Kars and Spikelets of Gres, are psi of the spike. 
77. Br sin y r e 
re 
hree bracts appear to any om the same point, they 
will, on sepsis be foun be really — one “aps and two sti- 
pules, or one bract with two bracteoles in i S axil. n two bracts 
o b 
ected i 
as to appear whorled, or are closely imbricated round the base of a head 
or umbel, they are collectively called an Involucre. The bracts composing 
an involucre are d ed under the name of leaves, leaflets, bracts or 
scales, according to their appearance. Phyllaries is a useless term, lately 
introduced, for the bracts or scales of the involucre of Comp ositae, An 
ae cel is ie Bods and of a partial umbel. 
When ral very small saa are placed round the base of a 
aed or of a tenkait hee wey h e been termed a Calycule, and the 
calyx or involucre said to be ealyculate but these terms are now falling 
into disuse, as conveying a false impre 
81. A Spatha is a bract or floral leaf enclosing the inflorescence of some 
Monocotyled 
82. Pa Aner ‘Pules, or Chaff, are the inner bracts or scales in Compositae, 
Gramineae, and some other apo when of a thin yet stiff consistence, 
usually narrow and of a pale colo 
83. Glu nie are the bracts ‘aodlodting the flowers of Cyperaceae and 
Gramineae. 
§ 8. The Flower in General. 
. A complete Flower — is one in which the calyx, corolla, stamens, 
Hes pistils a are all present; a perfect flower, one in which all these organs, 
or soos se them as are present, are capable of performing their several 
functi Therefore, fe speaking, an incomplete flower is one in 
whieh pes one or more of these organs is wanting; and an imperfect flower, 
