Pennock’s Hybrid 2.
Pennock was raised in 1893 by C. E. Pennock of Fort Collins, Colorado, from seed of Prunus besseyi supposed to have been pollinated by Arctic. Tree dwarfish, upright; leaves of medium size, ovate, coarsely serrate, thickish, finely tomentose on either side; petiole short, stiff, sometimes with one gland at the base of the blade; fruit small, roundish; suture slight; deep blue; bloom heavy; flavor intermediate between the plum and cherry; stone small, round and cherry-like.
Peoly Early Blue. Domestica. 1. Downing Fr. Trees Am. 309. 1845. 2. Thomas Am. Fruit Cult. 346. 1849.
From Massachusetts. Fruit medium in size, oblong; stem short; suture obscure; dark blue; bloom light; flesh yellow; pleasant; fair quality; semi-clinging; early.
Perdrigon des Alpes. Domestica. 1. Lond. Hort. Soc. Cat. 151. 1831.
The London Horticultural Society listed Perdrigon des Alpes and Perdrigon Violet des Alpes as distinct varieties but there seems to be little difference between them.
Perdrigon of Cernay. Domestica. 1. Quintinye Com. Gard. 68, 69. 1699.
Cernay Perdrigon 1.
Mentioned in the preceding reference as round or oblate, with a dry and mealy flesh.