-------------+--------------+-------------+------------------------- Name. | Shape. | Normal | Remarks. | |measurements.| -------------+--------------+-------------+------------------------- Wheat |Circular and | 0.00185 |Very variable in size and | flat | to 0.00009 | very dull polarization | | | in water. | | | Barley |Slightly |About 0.00073|The majority measuring | angular | | about 0.00373 | circles | | distinctive, and a few | | | four times this size. | | | Rye |Like barley | 0.00148 |Small granules, quite | | to 0.00009 | round, and here and | | | there cracked. | | | Jalap |Like wheat | |Polarizes brightly in | | | water. | | | Rhubarb | do. | 0.00055 |Polarizes between jalap | | to 0.00033 | and wheat, and runs | | | smaller and more convex. -------------+--------------+-------------+------------------------- Senega |Like wheat | 0.00148- | | | 0.00009 | Bayberry | do. | 0.00074- | Measurements the | | 0.00011 | only guide. Sumbul | do. | 0.00074- | | | 0.00009 | -------------+--------------+-------------+------------------------- Chestnut |Very variable | 0.00090- |Variable form, and small | | 0.00009 | but regular size, | | | distinctive. | | | Acorn |Round-oval |About 0.00074|Small and uniform size, | | | distinctive. | | | Calabar bean |Oval-oblong | 0.00296 |Large size and shape | | to 0.00180 | characteristic. | | | Licorice |Elongated-oval|About 0.00018|Small size and shape | | | distinctive. | | | Hellebore |Perfectly | 0.00037 |Small, regular size and (green or | rotund | to 0.00009 | rotundity, distinctive. black) | | | | | |