58 BUREAU OF ENTOMOLOGY AND PLANT QUARANTINE [April-June 
Regulations Governing the Importation of Miscellaneous Plants and 
Plant Products 
Alfalfa hay — The importation into Canada of alfalfa hay from California. 
Colorado, Idaho, Nevada, Oregon, Utah, and Wyoming is prohibited on account 
of the alfalfa weevil (Phytonomus posticus Gyli.). Shipments consigned on 
through bill of lading via above-listed States are not affected. All shipments 
consigned to Manitoba, Saskatchewan, Alberta, or British Columbia must be 
accompanied by a certificate of origin signed by the consignor. (Regulation 
No. 11 (Foreign) 4th Revision.) 
Alfalfa meal. — Importations into Canada of alfalfa meal from the same above- 
listed seven States shall be accompanied by a certificate issued by an authorized 
official of the State in which the meal was ground, to the effect that the contents 
of the shipment were ground in and shipped from an area known to be free 
from the alfalfa weevil, and further that the alfalfa hay, from which the meal 
was prepared, was grown in an area free from the alfalfa weevil. (Regulation 
No. 11 (Foreign) 4th Revision.) 
Barberry and European buckthorn. — Importations into Canada from all coun- 
tries are prohibited of all species, hybrids, and horticultural varieties, including 
the seeds, of the following: 
(a) European buckthorn, Rhamnus cathartica L. 
(b) Barberry, genus Berberis, except in the case of species, hybrids, and 
horticultural varieties which have been determined as immune to black stem 
rust of wheat (Puccinia graminis Pers.). There is no restriction on the impor- 
tation of Japanese barberry (Berberis thunbergii D. C). (Regulation No. 9 
(Foreign), 1st Revision.) 
Black currants. — Importations into Canada of rooted plants, grafts, cuttings, 
or seeds of cultivated black currants from all countries are prohibited, as their 
presence is a serious obstacle to the control of white pine blister rust ( Cronartium 
ribicola J. C. Fischer V. However, there is no restriction on the importation of 
fresh fruit of black currants. (Regulation No. 8 (Foreign) 3d Revision.) 
Chestn ut and chinquapin. — The importation into Canada of all species, hybrids, 
and horticultural varieties of the genus Castanea from Asia and the United 
States is prohibited, unless each importation is accompanied by a certificate, 
issued and signed by an authorized officer of the country of origin, stating that 
the stock originated in a district which has been free from the chestnut bark 
disease (Endothia parasitica (Murr.) And. and And.) for the last 10 years, and 
has been inspected and found free from the disease. (Regulation No. 7 (Foreign) 
1st Revision.) 
Conifers, Christmas greens and greenery.— The importation into Canada of 
conifers, such as spruce, fir, hemlock, pine, juniper, and arborvitae or the 
foliage thereof, and decorative plants, such as holly, laurel, etc., known and 
described as "Christmas greens and greenery," is prohibited from Maine, New 
Hampshire, Vermont, Massachusetts, Rhode Island, and Connecticut, on ac- 
count of the gypsy moth (Porthetria dispar L.), and the brown-tail moth (Nygmia 
phaeorrhoea Don.). (Regulation No. 5 (Foreign) 1st Revision.) 
Corn. — (a) On the cob. — The importation of corn on the cob into Canada is 
prohibited from Connecticut, Indiana, Kentucky, Maine, Maryland, Massachu- 
setts, Michigan, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, 
Rhode Island, Vermont, Virginia, West Virginia, and Wisconsin, on account 
of the European corn borer (Pyrausta nubUalis Hubn.). 
Corn. — (b) Shelled. — The importation of shelled corn into Canada is pro- 
hibited from the above 17 States (a) unless accompanied by a certificate of 
inspection issued by an authorized officer of the United States Department of 
Agriculture, or a State Department of Agriculture, which states that the ship- 
ment is free from European corn borer. 
Corn. — (c) Broom. — The importation of broomcorn, all sorghums, and Sudan 
grass into Canada is prohibited from the above 17 States (a). There is no re- 
striction on importations from other States when shipped on a through bill of 
lading via the quarantine States or in case of a reshipment from a listed State 
when accompanied by a certificate of origin signed by an authorized State or 
Federal inspector. (Regulation No. 10 (Foreign) 7th Revision.) 
Oorylm spp. — The importation into British Columbia of plants or cuttings of 
all species, hybrids, and horticultural varieties of the genus Corylus (hazel, cob, 
or filbert) is prohibited from the States of Montana, Wyoming, Colorado, New 
Mexico, and all States east of these on account of the filbert blight (Crypto- 
sporella anomala (Pk.) Sacc). (Regulation No. 15 (Foreign).) 
