Note 999 — BOOK XIII. THE NATURAL HISTORY OF EXOTIC TREES, AND AN ACCOUNT OF UNGUENTS.
John Bostock translation
Spina regia. Some writers have considered this to be the same with the Centaurea solstitialis of Linnæus. Sprengel takes it to be the Cassyta filiformis of Linnæus, a parasitical plant of India. We must conclude, however, with Fée, that both the thorn and the parasite have not hitherto been identified.