.
3. The first or both the thick stems may be drawn up and the thins curved over (see V, 2).
X
1. See M, 2, and A, 2.
2. There is sometimes a slight curving in of the stems, especially the thin stem (see fig. [80]).
3. The thin stem is sometimes drawn out below (F, 3), and commonly curved.
Y
1. See M, 2, and A, 2.
2. See F, 3 and 4. (Y with stem below line (see [Plate V.]) must not be allowed to confuse with V.)
3. An occasional rather interesting form [p288] of Y has the arms curving out and ending in points (see fig. [167]).