. The elements of materia medica and therapeutics (Volume 2) . a. Dragons blood in the reed; Dragons blood in sticks; Sanguis Draconis in baculis.—Thisoccurs in dark reddish-brown slicks, of from twelve to eighteen inches long, and from a quarter tohalf an inch in diameter, enveloped with the leaf of the Talipat palm (Corypha umbraculifera),and bound round with slender slips of cane (probably the stem of Calamus petrceus). It is sup-posed to be obtained from a species of Calamus, perhaps C. Draco. /3. Dragons blood in oval masses; Dragons blood in drops; Sanguis Draconis in lachrymis,Martius.—
. The elements of materia medica and therapeutics (Volume 2) . a. Dragons blood in the reed; Dragons blood in sticks; Sanguis Draconis in baculis.—Thisoccurs in dark reddish-brown slicks, of from twelve to eighteen inches long, and from a quarter tohalf an inch in diameter, enveloped with the leaf of the Talipat palm (Corypha umbraculifera),and bound round with slender slips of cane (probably the stem of Calamus petrceus). It is sup-posed to be obtained from a species of Calamus, perhaps C. Draco. /3. Dragons blood in oval masses; Dragons blood in drops; Sanguis Draconis in lachrymis,Martius.—This occurs in reddish-brown lumps of the size and shape of an olive, enveloped withthe leaf of Corypha umbraculifera or Corypha Licuala, which thus connects them together in arow, like the beads of a necklace. This kind is rare in English commerce. It is obtained,according to Rumphius, by rubbing or shaking the fruit of Calamus Draco in a bag. A resinousexudation is by this means separated, and is afterwards softened by heat, and made up in Elais guineensis. For an account of the varieties, properties, composition, effects, and urea of catechu, vide Acacia frondosa, and JVaucUa Oambir 92 ELEMENTS OF MATERIA MEDICA. y. Dragons blood in powder.—This is a reddish powder of very fine quality, imported from theEast Indies. It is probably the dust obtained from the fruit of the C. Draco, in the way justdescribed. <f. Dragons blood in the tear. Sanguis Draconis in granis, Martius. It occurs in irregularpieces, not exceeding the size of a horsebean. T. W. C. Martius, {Pharmakognosie,) says, piecesof the fruit of the Calamus Rotang are frequently found intermixed. t. Lump Dragons blood. Sanguis Draconis in massis.—This is of inferior quality. It occursin large massesf which, when broken, present a heterogeneous appearance. Other varieties of Dragons blood are described, but I have never met with them. Dragons blood is composed of red resin (calle
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