34 
BUREAU OF PLANT QUARANTINE 
[Apr.-June 
Mahobcrberis, " shall be moved or allowed to be moved interstate from any 
State of* the continental United States or from the District of Columbia into 
any of the protected States, namely, Colorado, Illinois, Indiana, Iowa, Michigan, 
Minnesota, Montana, Nebraska, North Dakota, Ohio, South Dakota, Wisconsin, 
^** m ^QTrTvyoming, nor from any one of said protected States into any other pro- 
tected State, unless a permit shall have been issued therefor by the United 
. States Department of Agriculture, except that no restrictions are placed by 
these regulations on the interstate movement of Japanese barberry (Berberis 
thunbergii) or any of its horticultural varieties." [Regulation 2 (a).] 
The protected States referred to below under groups B, C, and D, are the 13 
barberry-eradication States named in regulation 2 (a), quoted above. 
Avery S. Hoyt, 
Acting Chief, Bureau of Plant Quarantine. 
A. — BERBERIS THUNBERGII AND ITS RUST-IMMUNE HORTICULTURAL VARIETIES 
Permits are not required for any interstate movement of Berberis thunbergii 
or of the rust-immune varieties thereof under the regulations of the black stem- 
rust quarantine, revised. The varieties so far as tested by the Department are 
as follows: Berberis thunbergii, B. thunbergii atropurpurea, B. thunbergii 
maximoiriczii, B. thunbergii minor, B, thunbergii pluriflora, and B. thunbergii 
pluriflora erecta. 
B. BERBERIS AND MAHONIA SPECIES OR VARIETIES SUFFICIENTLY RESISTANT TO 
BLACK STEM RUST FOR SHIPMENT INTO PROTECTED STATES 
Permits are required under the regulations of the black stem-rust quarantine 
for interstate movement of the following species or varieties into the protected 
States and for such movement from any protected State into any other 
protected State: 
Berberis aemulans, B. aquifolium (Mahonia) , B. beaniana, B. buxifolia (ex- 
cept var. pygmm), B. candidula, B. chenaultii (hybrid), B. circum serrata, 
B. concinna, B. darwinii, B. dictyophylla var. albicaulis, B. diversifolia, B. 
edgeivorthiana, B. gagnepainii, B. julianae, B. koreana, B. nervosa {Mahonia) , 
B. ottaicensis (hybrid), B. potanini, B. repens (Mahonia) , B. sargentiana, B. 
stenophylla (hybrid), B. triacanthophora, B. verruculosa, B. gilgiana, and B. 
sanguines. 
C. BERBERIS, MAHONIA, AND M A H OBERBERI S SPECIES OR VARIETIES WHICH ARE 
SUSCEPTIBLE TO ATTACK OF BLACK STEM RUST 
Interstate shipments of the following species or varieties must not be made 
into the protected States or from any protected State to any other protected 
State and permits will not be issued for such movement : 
Berberis acuminata, B. aetensis, B. aggregata, B. aggregata prattii, B. 
alesuthiensis, B. altaiea, B. amurensis, B. amurensis japonica, B. angulosa, 
B. .aristata, B. arvensis, B. asiatica, B. atropurpurea, B. atrocarpa, B. beaXei 
{japonica) {Mahonia) , B. bergmanniana, B. brachybotrydis, B. brachybotrys, 
B. brachypoda, B. brctschneiderii, B. brcripaniculata, B. canadensis, B. oaro- 
liniana, B. chinensis, B. coriaria, B. corgi, B. crataegina, B. cretwa, B. declinata, 
B. declinata oxyphyle (hybrid), B. diaphana, B. dielsiana, B. duhis ihdhi, />'. 
durobrivensis (hybrid), B. cniarginata (hybrid), B. cmarginata britzensis 
(hybrid), B. fcndleri, B. fischcri, B. francisci-fcrdinaudi, B. fremontii {Ma- 
honia), B. fuschioides, B. h<wmatocwrp& I Mahonia), B. hi/brida serrata, B. 
ilicifolia, B. integerrima, B. jajjonica {bealei) {Mahonia) , B. knightii (Xan- 
thoxylon), B. koehneana, B. levis, B. laxiflora, B. leiehlini, B. lucida, B. ly&um 
(B. elegantissima') , B. macrophylla, B. mechanii, B. 7norrisonensis (Mahonia), 
B. nepalensis (Mali-onia ) , B. neubcrti (Mahobcrberis) , B. nevinii (Mahonia) . 
B. notabilis. B. oblonga, B. poirctii, B. poirctii latifolia, B. polyantfya, B. prattii, 
B. pravincialis var. serrata, B. pruinosa\ B. regeliana, B. rugidicans, B. scrotina, 
B. sibirica, B. sieboldii, B. sinensis, B. soulicana, B. stanfiana, B. subcaulialata, 
B. sicaseyi (Mahonia ) , B. thibetica, B. trifoliolaia (Mahonia), />'. umbel&ata, 
B. van flectii, B. vcrnac, B. viridis, B. vulgaris, B. vulgaris alba, B. vulgaris 
