BLACKTHORN 159 
Syrphidz, Muscidz, Bibionida), Coleoptera (Nitidulide), Lepidoptera 
( Vanessa). 
The fruit is edible, and the seed is dispersed by animals. 
The Sloe is at home on sand soil, and is a sand plant, but is also 
a lime plant, loving limestone, and a humus-loving plant requiring 
humus soil. A fungus, Puccznza Prunt, causes early fall of the 
leaf. 
Evriophyes similis is a gall that attacks it. Many larger fungi grow 
on it: Stereum, Podosphera, Eutypella, Polystigma, Plowrightia, Poly- 
porus, TTypocmis, Entomospo- 
rium, Corynum, Cladosporium. 
It is also galled by Ceczdomyza 
pruniand Biorhiza terminalis; 
and the beetles Otiorhynchus 
picipes, Monochetus sulcatus, 
Magdatinus pruni, Rhynchites 
auratus, the Hymenopterous 
insects Andrena bucephala, 
Eriocampa adumbrata, Lepi- 
doptera Black — Hairstreak 
(Thecla prunt), Scarlet Tiger 
(Callimorpha dominula), Yel- 
low Tail Moth (Leparis aurt- 
flua), Grey Dagger (Acrony- 
ata pst), White-letter Hair- 
streak (Thecla VW. album), 
Brown Hairstreak (7: de¢zle), 
Short-cloaked Moth (Vola 
cucullatella), &c., and the 
Homopterous Capsus capit- 
faris, the Homoptera Psylla prunt, Trichopsylla Watlkeri feed on it. 
Prunus, Pliny, is Latin for plum-tree, and the second Latin name 
refers to the spinose character. 
The names it goes by are: Blackberry, Blackthorn, Blackthorn- 
May, Buckthorn, Bullens, Bullies, Bullins, Bullister, Cat’s-sloes, Egg- 
peg Bushes, Hedge Picks, Hedge Speaks, Heg Peg Bushes, Hep, 
Winter Kecksies, May Blackthorn, Quick Scrog, Skig Slaathorn, 
Slacen-bush, Slan, Slaunbush, Slea, Sloey, Slon, Slone Bloom, Sloo- 
bush, Slines, Snag, Snagbush, Winter Picks. 
Quick or Quicks are young black or white thorn for planting in 
a hedge. The name Sloe for the fruit is extended to the plant itself, 
Photo. Matson 
BLACKTHORN (Prunus spinosa, L.) 
