im” OO B OOF A WN: ¥: ig 
the Antherz of the Erica; the Adonis had 
been joined to the Ranunculus, but was part- 
ed from it again, on obferving that it want- 
ed the nectariferous Pore ; and the 4/e and 
Agave had been blended, till it was obferved 
that in the latter the Stamina were inferted 
in the Corolla, and not in the Receptacle. 
When the characteriftic Mark of any Ge- 
nus is obferved in fome Species of another 
Genus near of Kin to it, alike Caution is 
again neceflary on the other Hand, left we 
fhould multiply the Genera by parting Spe- 
cies that fhould ftand together: Thus we 
find, that in Sedum, Sempervivum, Rhodiola, 
Craffula, Tillea and Cotyledon, the Ne@aria 
adhere to the Bafe of the Piftillum; in Epy- 
lobium and Oenotbera the Calyx is tubulofe 3 
in Mefprlus, Crategus, and Sorbus, the Struc- 
ture of the Flower is alike; and in both 
Alnus and Betula, there are three Florets on 
the Foliole of the Amentum*, 
4s 
* The Alnus and Betula are joined by Linnaeus under 
the Title of Betula. The reft of thefe Inttances he has 
kept feparate, notwithflanding the Doubt raifed herecon- 
cerning the Propriety of diftinguifhing them. 
CHAP, 
