Thank you Pete and Rob for your comments.
Rob, I guess they do not look like panoramas because of the aspect ratio is not 2:1, 3:1, or 4:1 (or som eother panorama aspect ratio). Why the multi-frame stitching? Two reasons, when I am traveling, I have to make a choice on the lenses that I carry (I tend to carry only two - trying to keep the camera bag as light). So usually see a scene I want to capture, but I do not have a wide enough lens (or I can get back far enough) to capture it all. So I shoot multiple frames to cover the scene (I am glad I am not shooting film at this point), and then combine them at home in Photoshop.
This provides me the scene I wanted, and I get a resulting image that allows for a large print (these will print out at 24 x36 inches or larger) without having to enlarge the image. In many cases, with the multiple frames, I can easily remove the "pesky tourist" from the frame.
How: I take several frames with a 25-33% overlap; bring them into Photoshop's Bridge RAW editor and do the broad stroke processing/adjustments. Then using Bridge's merge feature or Photoshop's merge feature, I stitch the images together (strangely, these two methods will produce two different results (sometimes the differences are slight) - I pick the one I like the best).
Another benefit is a pseudo photo-stacking to increase the DOF of the final image.
Oh, and I was shooting with a polarizing filter to cut the glare off the water and increase the sky/clouds contrast.
Clear as mud, right?