From mid-May through October, the hillside below the left side of Boulder Slips is covered in poison ivy. It is difficult to avoid no matter how you approach the climbs. Better to climb somewhere else during this time. Routes on the center and right side of Boulder Slips are not affected.
From November to early May, the poison ivy is dormant, but watch out for the plants with little light-green berries -- these are poison ivy bushes. Avoid them and you should be OK to climb on the left side of Boulder Slips at those times.
A decent top-rope after you've done Minutia. The climbing up the arete is fun, but the line is a little contrived: you can step right off the arete, into a dihedral, at just about any point.
Climb up the arete about 15' right of the Minutia hand crack. Stay on the arete all the way to the top, then step left to the Minutia anchor.
Location
On the left side of the Boulder Slips crag, on the arete about 15' right of the Minutia hand crack.
Protection
Top rope from the Minutia anchor. The climb would be hard to protect, but you could get pro in the dihedral around to the right (but then you'd be better off climbing the dihedral itself).