‘Perle d’Olivet’ 
‘Piersoni’ 
‘Pine Cone’ 
‘Pinkie’ 
Johnson's Gardener's Dictionary, p. 249. 1916, as Crataegus pyracantha 
pendula : Pendulous growth habit. ; 
P. coccinea 
(J.-L. Esnault. Memoire de Fin d’Etudes, E.N.I.T.H., pp. 9, 49. 1978) : 
Shrub; leaves elliptical, narrow, margins crenate-serrate, extremely 
bristly, base tapering, wedge shaped, longer, average 35 mm; upper and 
lower surfaces of young leaves pubescent; flowers large (average 11 mm 
in diameter). Name registered by H. Bertrand-Breisch, Ecole Nationale 
d’'Ingenieurs des Techniques Horticoles, Angers, France, October 19, 1989 
: Very old selection; chance seedling selected by M. Burte, Orleans, 
France; shrub, very thorny; leaves similar to P. coccinea; fruit large, 
spherical, 8 by 7 mm, yellow orange tinted pink and red. Probably no 
longer in cultivation. 
(Cottage Gardens, Lansing, Michigan. Catalog. 1959-60, without descrip- 
tion [not seen]). Letter January 25, 1974, N.I.W. Kriek, Cottage Gardens : 
Introduced by Pierson Nursery, Cromwell, Connecticut. No additional 
information available. 
(D.R. Egolf and R.F. Drechsler. Baileya 15(2):87. 1967, without descrip- 
tion). Plants received at U.S. National Arboretum in 1966 as P. ‘Pine 
Cone’. Supposedly hybrid of P. (white flowers) x Cotoneaster parynii, made 
by William E. Silva, Sebastopol, California, in 1946. No additional infor- 
mation available. 
(D.R. Egolf and R.F. Drechsler. Baileya 15(2):87. 1967, without descrip- 
tion). Plants received at U.S. National Arboretum in 1966 as P. ‘Pinkie’. 
Supposedly seedling of P. formosiana x Cotoneaster parnayii, selected in 
1954 by William E. Silva, Sebastopol, California. No additional informa- 
tion available. 
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