Consider the following four statements (i), (ii), (iii) and (iv) and select the right option for two correct statements.

Statements :
(i)  In vexillary aestivation, the large posterior petal is called-standard, two lateral ones are wings and two small anterior petals are termed keel.
(ii)  The floral formula for Liliaceae is

(iii)  In pea flower the stamens are monadelphous.
(iv)  The floral formula for Solanaceae is


The correct statements are