May be increased by parting its roots early in autumn.





[50]

~Iris sibirica. Siberian Iris.~


_Class and Order._

~Triandria Monogynia.~

_Generic Character._

_Cor._ 6-petala, inæqualis, petalis alternis geniculato-patentibus.
_Stigmata_ petaliformia, cucullato-bilabiata. _Thunb. Diss. de Iride._

_Specific Character and Synonyms._

IRIS _sibirica_ imberbis foliis linearibus, scapo subtrifloro tereti,
germinibus trigonis. _Lin. Syst. Vegetab._ _p._ 91.

IRIS pratensis angustifolia, non foetida altior. _Bauh. Pin. 32._

IRIS _bicolor._ _Miller's Dict. ed. 6, 4to._

The greater blue Flower-de-luce with narrow leaves. _Parkins. Parad. p.