. American medical botany: being a collection of the native medicinal plants of the United States, containing their botanical history and chemical analysis, and properties and uses in medicine, diet and the arts, with coloured engravings (Volume 3) . rbaceous, and much like that of a commonoak leaf. I know not what quantity might proveinjurious, but under the conviction that the plantwas not particularly dangerous, I have swalloweda green leaf of the middle size, so large that itrequired some resolution to masticate so unpala-table a morsel, but have found no ill effect what-ever to result fro
. American medical botany: being a collection of the native medicinal plants of the United States, containing their botanical history and chemical analysis, and properties and uses in medicine, diet and the arts, with coloured engravings (Volume 3) . rbaceous, and much like that of a commonoak leaf. I know not what quantity might proveinjurious, but under the conviction that the plantwas not particularly dangerous, I have swalloweda green leaf of the middle size, so large that itrequired some resolution to masticate so unpala-table a morsel, but have found no ill effect what-ever to result from it. Medicinally considered, I think it must beranked among the astringents, a place which bothits sensible and chemical properties entitle it tohold. If it have any narcotic powers, they willprobably be developed only by an extraordinarydose, which few persons will be likely to put tothe test. 106 RHODODENDRON MAXIMUM. BOTANICAL REFERENCES. Rhododendron maximum, Willd. Sp. pi. ii. 606.—Bot. Mag. t>$5\.—Schmidt, Arb. t. 1°J.—Pursh, i. 297.—Michaux, JV*. , t. 67. MEDICAL S. Barton, Colledinns, i. 18. PLATE LI. Fig. 1. Jl branch of Rhododendron maximum in flower and in 2. Calyx and 3. EUPHORBIA IPECACUANHA. Ipecacuanha spurge. TLATE LIT. JT rom the specific name given to this vege-table we infer, that before the true origin of theofficinal ipecacuanha was known, this plant,among others, was for a time considered thesource of that drug. The Pharmacopoeia Danicawas one of the works in which this reference wasmade, and Linnseus undoubtedly paid somerespect to the opinion in assigning the specific,name. Nearly all the species of Euphorbia appear topossess the power of acting with violence on thestomach and alimentary canal. This powerparticularly resides in a milky juice which theyexude on being wounded. Of the species whichhave been most extensively submitted to experi-ment are Euphorbia officinarum, esula, heliosco-15 10
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