& 
HEL 
fidered as the autumnale by Linneus, nor can we well dif. g 
Heviorrorivm, in Gard ning, comprehends plants of 
the fhrubby, annual, biennial, and herbaceous Kinds ; of 
(H. canarienfe 
again. 
After this they fhould be gradually inured to the aétion 
of the air, in order to be fet out in warm fituations 
during oy eae months, But they muft conttantly have 
the protection of a good green-houfe, in the autumn and 
winter feafons. — 
which fhould be planted out in pots of light mould during 
the fummer feafon, plunging them in a mild: hot-bed imme. 
diately afterwards. T 
ae ground, g 
manner. In the latter initance, when they are 
woes 
feétly rooted, they m be 
~ planted out in pots, depofiting them in fhady fituations, until 
ey are again become well rooted. 
J 
is alfo capable of being increafed by cuttings, 
HEL 
kinds, which require in mild open weather the free admiffion 
of air. : 
The firft and laft fpecies afford much ornament among 
the more hardy forts of green-houfe plants; and the rett 
have a good effe& among the more tender flowery plants, 
either in pots or the borders and clumps of pleafure’ 
unds. 
HELISPHERICAL Ling, 
rhumb line. 
It is thus. called, becaufe, on the globe, it winds round 
the pole helically, i. ¢. {pirally, and {till comes nearer and 
nearer to it. 
in Navigation, denotes the 
IX, in Anatomy, is the whole circuit or extent of 
the auricle, or border of the ear outwards. 
o the caulicoles, 
or little volutes, under the flowers of the Corinthian capital ; 
See CAULICOLEs. 
ELIX, in Conchology, a genus of univalves, the animal of 
which is a limax ; the fhell {piral, fub-diaphanous, and brit. 
tle; and the aperture contraéted, femi-lunar, or round- 
ifh. ‘ 
~ 
_— 
‘Yet the 
genus, as he propofed it, was ftill too vague and 1 
nate, and of this, Linnzus was himfelf fenfible, for in order 
been propofed by fubfequent writers, fome of 
which are to be efteemed improvements, but it is not to be 
denied that the inftitution of feveral new genera, an ii 
quently a new arrangement altogether, would alone enable us 
to reduce the whole of the difcordant fpecies it contains at 
— to lucid orders. This is not a new idea. Geoffroy 
ong fince conttituted feveral diftin@ ra of the Linazan 
lices; and the number has been progreflively increafed 
with various amendments and modifications by later writers, 
as. Da Cofta, Fabricius, and Poli, and alfo of late by Miiller, 
Bruguiére, Lamarck, Draparnaud, and Latreille. Some 
of the genera of Geoffroy, as well as thofe conftruéted re- 
ently, are very good, others are obfcure, and, in our own Opi 
nion, not altogether neceffary ; while again, if we = 
not, two or other new genera mi introd 2 
| ie may appear ¢ 
vious to others from a due confideration of the follows 
nae iieoctny. into which: the sLAlsiaos ates 
= : Hews. 
@ 
