98 
ICOSANDRIA. 
ORDER III. TRIGYNIA. 
(three females.) 
N° of Species in 
N® Genera. Growth, species. Native of Britain. 
17 Sesuvium s 1 India 
18 Sorbus* * * § t 3 Europe Brit. 3 
ORDER IV. PENTAGYNIA. 
(five females.) 
Calyx above * 
19 Mesembryanthemumf s&h 50 Africa,,Sic. 
£0 Mespilus s 8 Canada Brit, t 
£1 PyrusJ t 9 Cydonia Biit. £ 
££ Tetragonia s&h 7 ^Ethiopia 
Calyx beneath. 
£3 Aizoon§ h 10 Canaries 
£4 Spiraea s & h 19 Japan Brit. £ 
* The berries of the sorlrns av, cup aria (mountain ash) hive been considered as 
useless, if not pernicious; but in Merionethshire in Wales, thev are not only con¬ 
sidered as a pleasant viand, but are manufactured also into an intoxicating liquor, 
called by the Welsh diod-griafol. Warner's second Walk through Wales, 1799. 
fin the year 1794 a whole volume Was published on the genus mesembryan.. 
themum, describing upwards of 136 species (though Linnaeus only enumerates .*. 0 ) 
by Adrian Hardy Haworth, ...... 8vo. 480 p.p. 6s. Linnaeus hath divided the 
species into such as have white corols, red corols, and yellow corols; and Mr. Alton 
hath met with one that hath green corols. 
J Pyrus is the generic name for apple, pear, and quince; as having (according 
to Linnaeus) the same generic character; but as the apple will not grow grafted on 
the pear or quince, nor the pear or quince on the apple, but the pear or quince, as 
also the medlar, will grow on each other; Mr. Miller therefore thinks they ought 
to have different genera. 
§ In aizoon the essential character consists in the stamina being inserted by sets 
or phalanxes into the sinuses of the calyx (commonly by threes approximated); not, 
equally distributed on the receptacle. 
