I believed your main problem is having labels with same name: Linux.
Code:
default=Morphix
boot=/dev/hda 

root=/dev/hda3 
label=Morphix
image=/boot/vmlinuz-2.4.21-xfs 
read-only 

root=/dev/hda1 
label=Feather
image=/boot/vmlinuz-2.4.26 
initrd=/boot/initrd.gz 
read-only