316 T^l^'I^I-^^' KXTOMOL(^OY AND PLANT QrAHANTlNE [Oct.-Dec. 
and allied plants from Mexico, Central America, the West Indies, and South 
America; willow twijrs from Europe; .grasses, hay. and similar plant mixtures 
from all c(»untrie.s; and authorized soil packing;" materials from all countries. 
This quarantine does not cover such widely used packing materials as excelsior, 
paper, sawdust. j;round cork, charcoal, and various other materials. 
Dutch elm (//.sca-sc. — Quarantine No. 70, revised, effective January 1. 1935: 
Forhids the importation from Europe, on account of a disease due to the fungus 
Graph iinu uhni, of seeds, leaves, plants, cuttinirs, and scions of elm or related 
I)lants, defined to include all genera of the family Ulmaceae : logs of elm and 
related plants ; lumher, timber, or veneer of such plants if bark is present on 
them ; and crates, boxes, barrels, packing cases, and other containers, and other 
articles mantifactured in whole or in part from the wood of elm or related 
plants if not free from bark. 
OTHER RESTRICTIVE ORDERS 
The regulation of the entry of nursery stock from foreign countries into the 
United States was specifically provided for in the Plant Quarantine Act. The 
act further provides for the similar regulation of any other class of plants or 
plant products when the need therefor shall be determined. The entry of the 
plants and plant products listed below has been brought under such regulation. 
Xiirscru stock — Tlu^ conditions governing the entry of luirsery stock and other 
plants and seeds from all foreign countries and localities are indicated above 
under "Foreign plant quarantines." (See Quarantine No. 37, revised.) 
Potatoes. — The order of December 22, 1913, and the regulations issued there- 
under, revised, elfective ]Mai-ch 1. 1922. and amended, effective December 1, 
1936, restrict the importation of potatoes from all foreign countries and locali- 
ties except the Dominion of Canada and Bermuda, on account of injurious 
potato diseases and insect pests. The importation of potatoes is now authorized 
from Bermuda, Canada. Cuba, the Dominican Republic. Estonia, Latvia, Spain 
(including the Canary Islands), and the States of Chihuahua and Sonora, and 
the northern territory of Baja California. Mexico. 
Cotton and cotton irrappings. — The order of April 27, 1915, and the rules and 
regulations issued thereunder, revi.sed. effective February 24, 1923, amended 
effective May 1, 1924, December 15, 1924, and December 11, 1937. restrict the 
importation of cotton and cotton wrappings from all foreign c<uintries and local- 
ities, on account of injurious insects, including the pink boUworm. 
Cottonseed products. — The two orders of June 23, 1917, and the rules and regu- 
lations issued thereunder, effective July 16, 1917, amended, effective August 7, 
1925, restrict the importation of cottonseed cake and meal and all other cotton- 
seed products except oil from all foreign countries and localities, and the impor- 
tation of cottonseed oil from Mexico, on account of injurious insects, including 
the pink boUworm : Provided, That these commodities which originate in, and 
are shi])ped directly from, the Imperial Valley, Baja California, Mexico, may 
enter without restriction. 
Plant safeguard regulations. — These rules and regulations, revised, effective 
December 1, 1932, provide safeguards for the landing or unloading for trans- 
shipment and exportation and for transportation and exportation in bond of 
restricted or prohibited plants and plant products when it is determined that 
such entry can be made without involving ri.sk to the plant cultures of the 
United States, and also provide for the .safeguarding of .such plant material at a 
port or within the territorial limits of th(? United States wheie entry or landing 
is not intended or where entry has been refused. 
RuUs and regulations governing the movement of plants and plant products 
into and out of the District of Cohnnhia. — These rules and regulations, revised 
effective April 30. 1931. are pronnilgated under the amendment to the Plant 
Quarantine Act of May 31, 192;). They provide for tlie regulation of the move- 
ment of plants and plant products, including nursery stock, from or into the 
District of Columbia and for the control o!" injurious plant diseases and insect 
pests within the said District. 
MISCELLANEOUS REGULATIONS 
Rules and regulations prohihiting the movetnent of cotton and cottonseed 
from Me.rieo into the United states and governing the oitrg into the United 
States of railirag cars and other vehicles, freight, e.rpress, baggage, 07' other 
materials fro)n ifexico at' border points. — These rules and regulations, promul- 
