Scotland have named their 37-man squad for their four Tests in the Americas starting next month which includes 10 uncapped players, coach Gregor Townsend said on Wednesday.
Forwards Gregor Brown, Nathan McBeth and Max Williamson are drawn from Glasgow Warriors, who play in the United Rugby Championship semifinal against title holders Munster on Saturday.
Winger Arron Reed was in the Six Nations squad this year, whilst his Sale teammate Gus Warr earned a first call-up, along with former Scotland under-20 captain Robbie Smith, lock Ewan Johnson and Edinburgh's Matt Currie and Patrick Harrison.
Adam Hastings and Josh Bayliss returned after injury layoffs and hooker Dylan Richardson is also recalled.
Scotland start their month-long tour in Ottawa against Canada on July 6, before taking on the U.S in Washington D.C.
They face Chile in Santiago on July 20 and Uruguay in Montevideo on July 27.
Scotland's 37-man squad:
Backs: Matt Currie, Jamie Dobie, Adam Hastings, Ben Healy, George Horne, Huw Jones, Stafford McDowall, Harry Paterson, Arron Reed, Kyle Rowe, Kyle Steyn, Ross Thompson, Sione Tuipulotu, Duhan van der Merwe, Gus Warr
Forwards: Ewan Ashman, Josh Bayliss, Gregor Brown, Alex Craig, Luke Crosbie, Scott Cummings, Rory Darge, Matt Fagerson, Patrick Harrison, Will Hurd, Ewan Johnson, Nathan McBeth, Elliot Millar-Mills, Javan Sebastian, Pierre Schoeman, Robbie Smith, Rory Sutherland, Dylan Richardson, Jamie Ritchie, Murphy Walker, Max Williamson, Glen Young