16 BUREAU OF ENTOMOLOGY AND PLANT QUARANTINE [Jan.-March 
(3) When the fruits and vegetables have originated outside the areas desig- 
nated in this section, and are to be reshipped directly from freight yards, 
transfer points, or unloading docks within such areas, under provisions satis- 
factory to the inspector for safeguarding of such shipments pending certifica- 
tion and reshipment. Certificates on this basis will be issued without in- 
spection only in cases where, in the judgment of the inspector, the shipments 
concerned have not been exposed to infestation while within such freight 
yards, transfer- points, or unloading docks. •; _ ; ■ ' . 
(4) When the fruits and vegetables were grown in districts where the fact 
has been established to the satisfaction of the inspector that no infestation 
exists and are to be shipped directly from the farms where grown to points 
outside the areas designated in paragraph (a) (1) of this section, or are shipped 
from infested districts where the fact has been established to the satisfaction of 
the inspector that the Japanese beetle has not begun or has ceased its flight. 
(5) When the fruits and vegetables moving via refrigerator car from the 
area designated in this section have been inspected and loaded in a manner to 
prevent infestation, in a refrigerator car with closed or adequately screened 
doors and hatches, which car prior to loading has been determined by an inspec- 
tor as fumigated or thoroughly swept and cleaned by the common carrier in a 
manner to rid it of infestation. During the interval between fumigation or 
cleaning and loading, such refrigerator car must be tightly closed and sealed. 
(For further requirements on the cleaning of refrigerator cars, see § 301.48-13.) 
(6) When the fruits and vegetables moving via refrigerator car from the 
area designated in this section have been fumigated in the car, when deemed 
necessary in the judgment of the inspector, and when the doors and hatches 
of the car have been tightly closed or adequately screened under the supervision 
of an inspector. 
§ 301.48-6. Restrictions on the movement of nursery and ornamental stock. 
(a) Control of movement. — Nursery and ornamental stock as defined in 
§ 301.48-1 shall not be moved interstate from the regulated areas to or through 
any point outside thereof, unless a certificate or permit shall have been issued 
therefor by the inspector except as follows : 
(1) The following articles, because of their growth or production, or their 
manufactured or processed condition, are considered innocuous as carriers of 
infestation and are therefore exempt from the requirements of certification : 
(1) True bulbs, corms, and tubers, when dormant, except for storage growth, 
and when free from soil ; and single dahlia tubers or small dahlia root divisions 
when free from stems, cavities, and soil. Dahlia tubers, other than single tubers 
or small root divisions meeting these conditions, require certification. 
(ii) Cut orchids; orchid plants when growing exclusively in Osmunda fiber; 
Osmunda fiber, Osmundine, or orchid peat (Osmunda cinnamomea and O. 
claytoniana) . 
(iii) (a) Floral designs or "set pieces," including wreaths, sprays, casket 
covers, and all formal florists' designs ; bouquets and cut flowers not so prepared 
are not exempted; (5) trailing arbutus, or Mayflower (Epigaea repens), when 
free from soil, and when shipped during the period between October 16 and 
June 14, inclusive. 
(iv) (a) Herbarium specimens, when dried, pressed, and treated, and when so 
labeled on the outside of each container of such materials ; ( & ) mushroom 
spawn, in brick, flake, or pure culture form. 
(v) (a) Sheet moss (Calliergon scliri'beri and Thuridium recognitum) ; (&) 
resurrection plant or bird's-nest moss (Selaginella lepidopliylla) ; (c) sphagnum 
moss, bog moss, or peat moss (Sphagnaceae) ; (d) dyed moss, when heat treated 
and appropriately labeled. 
(vi) Soil-free, dried roots incapable of propagation, when appropriately 
labeled. 
(2) No restrictions are placed on the interstate movement of nursery and 
ornamental stock imported from foreign countries when reshipped from the 
port of entry in the unopened original container and labeled as to each con- 
tainer with a copy certificate of the country from which it was exported, a 
statement of the general nature and quantity of the contents, the name and 
address of the consignee, and the country and locality where grown. 
(3) No restrictions are placed on the interstate movement of soil-free 
aquatic plants, and of portions of plants without roots and free from soil, 
except that a certificate is required for the movement of cut flowers during the 
period June 15 to October 15, inclusive. 
