34 BUREAU OF ENTOMOLOGY AND PLANT QUARANTINF [Apr.- June 
or washing; or {Hi) that it shall be shown by evidence satisfactory to the in- 
spector that the plants concerned were produced in a certified greenhouse. 
(3) Greenhouses of class III may be certified upon compliance with all the 
following conditions with respect to the greenhouses themselves and to all pot- 
ting beds, heeling-in areas, hotbeds, coldframes, and similar plots : 
(a) Ventilators, doors, and all other openings in greenhouses or coldframes 
on premises in class III shall be kept screened in manner satisfactory to the 
inspector during the period of flight of the beetle, namely, south of the northern 
boundaries of Maryland and Delaware between June 1 and October 1, inclusive, 
or north thereof between June 15 and October 15, inclusive. 
(b) Prior to intvoduction into nurseries or greenhouses, sand, soil, earth, 
peat, compost, or manure taken from infested locations or which may have been 
exposed to infestation, must be sterilized or fumigated under the direction and 
supervision of, and in manner and by method satisfactory to, the inspector. If 
such treated sand, soil, earth, peat, compost, or manure is not to be immediately 
used in such greenhouses, it must be protected from possible infestation in man- 
ner and by method satisfactory to the inspector. 
(c) All potted plants placed in certified greenhouses of class III and all potted 
plants to be certified for interstate movement therefrom (/) shall be potted in 
certified soil; (//) shall, if grown outdoors south of the northern boundaries 
of Maryland and Delaware at any time between June 1 and October 1, inclusive, 
or north thereof at any time betw T een June 15 and October 15, inclusive, be kept 
in screened frames while outdoors; (Hi) shall, if grown outdoors during any 
part of the year, be placed in beds in which the soil or other material shall have 
been treated in manner and by method approved by the Bureau of Entomology 
and Plant Quarantine to eliminate infestation; and (iv) shall comply with such 
other safeguards as may be required by the inspector. 
(4) Cut flowers and other parts of plants without roots or soil may be 
certified for movement either (a) when they have been inspected by an in- 
spector and found free from infestation, or (b) when they have been grown 
in a greenhouse of class I or in a certified greenhouse of class III and are 
transported under such safeguards as will in the judgment of the inspector pre- 
vent infestation. (See also section A (3) of this regulation.) 
(5) Nursery and ornamental stock originating on or moved from unclassified 
premises may be certified by the inspector under either one of the following 
conditions: (a) That the soil shall be entirely removed from the stock, or (6) 
that the roots shall be treated by means approved by the Bureau of Ento- 
mology and Plant Quarantine in manner and by method satisfactory to the 
inspector, or (c) that it shall be shown by evidence satisfactory to the inspec- 
tor that the accompanying soil was obtained at such points and under such 
conditions that in his judgment no infestation could exist therein. 
(6) Nurserymen, florists, dealers, and others, in order to maintain their 
classified status, (a) shall restrict their purchases or receipts of nursery and 
ornamental stock, sand, soil, earth, peat, compost, and manure within the 
regulated area to articles which have been certified under these regulations as 
to each such article and the said certificate shall accompany the articles 
when moved; (&) shall obtain approval of the inspector before such articles 
are received on their premises or moved from the open on their own premises 
into certified greenhouses; and (c) shall also report immediately in writing all 
purchases or receipts of such articles secured from within the regulated area. 
Nurserymen, florists, dealers, and others whose premises are classified as class 
III shall in addition report immediately on forms provided for that purpose 
all their sales or shipments of such articles both to points outside the regu- 
lated areas and to other classified nurseries or greenhouses within the reg- 
ulated areas. Certification may be denied to any person who has omitted to 
make the report or reports required by this regulation, and such denial of cer- 
tification shall continue until the information so omitted has been supplied. 
(7) Nursery and ornamental stock imported from foreign countries and not 
reshipped from the port of entry in the unopened original container may be 
certified for movement under these regulations when such stock has been 
inspected by an inspector and found free from infestation. 
(8) Nursery and ornamental stock originating outside the regulated areas 
and certified stock originating in classified nurseries or greenhouses may be 
certified for reshipment from premises other than those on which they origi- 
nated, under provisions satisfactory to the inspector for the safeguarding of 
such stock from infestation at the point of reshipment and en route, and, 
when found advisable by the inspector, after reinspection and determination 
of freedom from infestation. 
