The department of legislation shall be formed by two branches, a Senate and House of Representatives: each of which shall have a negative on the other.

The legislative body shall assemble every year [on the last Wednesday in May, and at such other times as they shall judge necessary; and shall dissolve and be dissolved on the day next preceding the said last Wednesday in May;] and shall be stiled, The General Court of Massachusetts. [See Amendments, Arts. X, LXXII, and LXXV.]