90 BUREAU OF ENTOMOLOGY AND PLANT QUARANTINE [April-June 
QUARANTINE AND OTHER OFFICIAL 
ANNOUNCEMENTS 
ANNOUNCEMENTS RELATING TO BLACK STEM RUST QUARANTINE 
(NO. 38) 
B. E. P. Q. 38o revised (supersedes P. Q. C. A. 320 (2d rev.) and supplement no. 1). 
CLASSIFICATION OF BARBERRY AND MAHONIA PLANTS UNDER BLACK STEM 
RUST QUARANTINE REGULATIONS 
April 1, 1937. 
The rules and regulations supplemental to Notice of Quarantine No. 38, 
Revised, as amended, provide that no plants, cuttings, stocks, scions, buds, 
fruits, seeds, or other plant parts capable of propagation, of the genera Ber- 
beris, Mahonia, or Malioherheris, "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, and Wyoming, nor from any one of said protected States 
into any other protected 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 either of Japanese 
barberry { Berber is thunbcrgii) or any of its horticultural varieties, or of 
cuttings (without roots) of Mahonia shipped for decorative purposes and not 
for propagation." (See amendment no. 1, Reg. 2-a.) 
The protected States referred to below under groups A and B are the thir- 
teen barberry eradication States named in Regulation 2-a, quoted above. Bar- 
berry and Mahonia plants other than those listed in such groups may not be 
shipped interstate into any of the protected States. 
Lee a. Strong, 
Chief, Bureau of Entomology and Plant Quarantine. 
A. BARBERRIES WHICH MAY BE SHIPPED INTERSTATE WITHOUT PERMIT OR 
RESTRICTION 
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 Depart- 
ment are as follows: Berberis thunbergii, B. thunbergii atropurpiirea, B. thun- 
bergii maximowiczii, B. thunbergii minor, B. thunbergii pluriflora, B. thun- 
bergii pluri flora erecta. 
Mahonia cuttings without roots may be shipped for decorative purposes 
without permit or other restriction. Permits are. however, required if they 
are intended for propagation. 
B. ^BARBERRIES IMMUNE OR SUFFICIENTLY RESISTANT FOR DISTRIBUTION IN THE 
PROTECTED STATES 
Permits are required under the regulations of the black stem rust quarantine 
for interstate movement of the following species or varieties into any protected 
State, and for such movement from any protected State into any other protected 
State. Application for such permit should be addressed to the Division of 
Domestic Plant Quarantines, Bureau of Entomology and Plant Quarantine, 
United States Department of Agriculture, Washington, D. C. 
Berberis acmulans, B. aquifoliuni {Mahonia) , 13. beaniana, B. buxifolia, B. 
candidula, B. ehenaulfii (hybrid), B. eireumserrata, B. eoncinna, B. darwinii, 
B. dictyophylla var. albicaulis, B. diversifolia, B. edgeworthiana. B. gagnepainii, 
B. gilgiana, B. julianae, B. koreana, B. mcntorensis, B. nervosa (Mahonia), 
B. potanini, B. repens (Mahonia) , B. sargentiana, B. sanguinea, B. stenophylla 
(hybrid), B. triacanthophora, B. verruculosa. 
C. BARBERRIES SUSCEPTIBLE TO ATTACK OF BLACK STEM RUST AND NOT PERMITTED TO 
BE SHIPPED INTO THE PROTECTED STATES 
Barberry and Mahonia plants of species and varieties not listed above in 
groups A and B are prohibited shipment into the protected States or from any 
