<p><b>1.</b> Top of flowering stem of <i>Cereus alacriportanus</i>. 
<b>2.</b> Top of stem of <i>Cereus peruvianus</i> (misapplied).
<b>3.</b> Flower of the same plant.
Both these names are synonyms of <i>Cereus hildmannianus</i> subsp. <i>uruguayanus</i>.
</p>
(Natural size.)
Mary Emily Eaton (1873-1961)
1920
From <i>The Cactaceae</i> (1919-1923) by Britton et Rose, Vol. II, Plate 3.