.#.....##.                                          #####...##
###....#.#                                          #....#..#.
#..#...###                                          .#...##.##
.#.##..#..                                          ###..#.##.
.###.#.##.                                          ...#.###.#
##..####.#               (EQUISETUM)                #..###..##
..#.#...##                                          ##.#..#.#.
..####..#.                                          #.###.####
#.#...#.##                                          ###..##...
####..###.        .:=*=:. THE PLANT .:=*=:.         ...#.#.#..
#...#.#..#                                          ...######.
##..####.# THE  EQUISETUM  IS  A  PLANT MUCH  OLDER ...#.....#
..#.#...## THAN  FERNS,  WHICH  ARE  IN  TURN  MUCH ...##....#
#.####..#. OLDER THAN MOST  TREES. IT'S LIGHT GREEN #..#.#...#
.##...#.## TO  YELLOW  IN  COLOR  AND  IS  SLIGHTLY ##.####..#
##.#..###.               TRANSPARENT.               ..##...#.#
..###.#..#                                          ..#.#..###
#.#..###.# THE PLANT HAS A SPINE. EACH VERTEBRA  IS ..####.#..
####.#..## STACKED  UPON THE NEXT,  WITH  SPOKELIKE ..#...###.
#...###.#. RIBS  RADIATING OUTWARD.  EVEN SO,  IT'S #.##..#..#
.#..#..### VERY LIGHT,  BEING HOLLOW.  IT'S ROUGHLY .##.#.##.#
###.##.#.. THE  HEIGHT  OF A FOXES TAIL, AND SHARES .#.####.##
...##.###.            A SIMILAR PLUMAGE.            ####...##.
...#.##..#                                          ....#..#.#
#..###.#.# IT LIKES  PARTIAL  SHADE  AND  VERY DAMP ....##.###
.#.#..####                   AREAS                  ....#.##..
.####.#...                                          #...###.#.
.#...###..                                          ##..#..###
###..#..#.                                          #.#.##.#..
#..#.##.##         .:=*=:. IN MAGIC .:=*=:.         .####.###.
##.###.##.                                          ##...##..#
..##..##.# WHEN  A  COLONY NUMBERS HIGH ENOUGH,  IT #.#..#.#.#
#.#.#.#.## SLICES  THE  AIR  IN   THE  FOREST  INTO ####.#####
.########. SEPARATE  PLANES, A  FEW  CENTIMETERS IN ....##....
.#.......# HEIGHT.  TIME  CAN   GET  DIFFRACTED  IN #...#.#...
.##......# THESE,  HITTING  EACH   IN   TURN  IN  A .#..####..
.#.#.....#      SLIGHTLY DIFFERENT ANGLE, AND       .##.#...#.
.####....#         EVENTUALLY SPREAD THIN.          .#.###..##
##...#...#                                          ####..#.#.
#.#..##..#                                          #...#.####
.###.#.#.#                                          .#..###...
.#..######                                          ###.#..#..
.##.#.....                                          ...###.##.