Sentence:  A very interesting form of purpura is that arising from congenital peculiarity:—Four or five years ago a poor mother brought her child, then aged 2 years, affected with this form of disease. The least blow upon the limbs produced effusions of blood, and a <WSD>purpurous</WSD> spot was the result, which soon resembled a large bruise; any puncture of the skin was followed by uncontrollable hæmorrhage; the gums very readily bled. ... During the last winter, the child was again brought to me, but in a dying state, ... The poor mother afterwards came in great distress, because a medical practitioner, who had been called in to see the child, not recognising the nature of the malady, said there must be a coroner's inquest; the <WSD>purpurous</WSD> vibex 
Meaning of the word marked with <WSD> tags:  Of or relating to purpura.