HOOKER (JOSEPH DALTON) The Rhododendrons of Sikkim-Himalaya; Being an Account, Botanical and Geographical of the Rhododendrons Recently Discovered in the Mountains of the Eastern Himalaya, from Drawings and Descriptions Made on the Spot, &lt;font class=smallCaps-bok&gt;first edition&lt;/font&gt;, Reeve &amp; Co., 1849