From Palmpedia - Palm Grower's Guide
This may be a typo in the Christian Papers. It references page 16 but then is spelled Orvilla. Orvilia is also mention by the Reasoner catalog so who knows what the correct spelling should be.
REF: Paper prepared by Wm. A. Geiger in collaboration with Mr. Christian of the Christian Nursery, Mr. Van der Lean and Mr. George L. Peacock. p.13.