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florets on one side, or “ unilateral,” like Xardus, or liard grass 
(pi. xii., fig 1). On two sides “ bilateral/’ as in Br achy podium, 
false brome-grass (pi. xii., fig. 2). Or on all sides, as Alopecvrns, 
or foxtail grass (pi. xii., fig. 3), which forms a long or “ lanceo- 
late spike,” as in Phalaris canariensis, canary grass (pi. xii., 
hg. 4), making' an ovate spike. 
Again, the floAver or locusta may have pedicels of greater or 
less length, which may he short and upright, long and pendant ; 
and so form a compact or diffuse “ panicle ” of flowers, which 
will be erect or drooping, towards one or all sides, according to 
circumstances. (See plate xiii.) 
Of the different kinds of spike, our plate (xii.) offers several 
examples, whilst plate xiii. offers examples of the panicle. 
Our native grasses, therefore, may be most conveniently 
grouped as follows : — 
A. Stamens, 2 ; Pistils, 2 ; 
B. Stamens, 3 ; Pistils, 1 ; 
C. Stamens, 3; Pistils, 2; 
t Spiltelets, single flowered ; 
* Flowers spiked ; 
a. Spikes unilateral; 
b. Spikes bilateral ; 
c. Spikes, with flowers on all sides ; 
** Flowers paniculate ; 
ft Spiicelets, two flowered ; 
*** Flowers spicate ; 
**** Flowers paniculate ; 
ttt SpiMlets, with three or more flowers ; 
***** Flowers spicate ; 
****** Flowers paniculate. 
Thus, we have subdivided our native grasses into nine 
groups, which altogether include a list of genera and species 
that must be expected to vary considerably, according to the 
principles of founding both genera and species that may be 
adopted by different authors, — a subject upon which, it will be 
seen from the following- census, that there is considerable 
difference of opinion : — 
Genera. Species. 
Sir W. Hooker, in the “British Flora,” 1842, has . . 41 123 
Hooker and Arnott’s “ British Flora,” 1850, has . . 44 129 
Professor Bahington’s “ British Botany,” 1851, has . . 50 131 
Bentham’s “ Handbook of the British Flora,” 1858, has . 42 98 
Whichever number we choose to adopt as our guide in the 
enumeration of our native species, it will be seen that, after all, 
in a country so justly renowned for its pasturage, the native 
species form but a small proportion of the grasses of the world, 
