1939] SERVICE AND REGULATORY ANNOUNCEMENTS 
11 
(7) Greenhouses of class III may be certified upon compliance with all the 
following conditions with respect to the greenhouses themselves and to all 
potting 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 night 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. 
(&) Prior to introduction into nurseries or greenhouses, sand, if contami- 
nated with vegetable matter, 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 sand, soil, earth, peat, 
compost, or manure is not to be immediately used in such greenhouses, it. must 
be protected from possible infestation in manner 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 (i) shall be 
potted in certified soil; (ii) 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 between 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. 
(8) 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 
inspector and found free from infestation, or 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 
prevent infestation. (See also paragraph (3) of this regulation.) 
(9) Nursery and ornamental stock originating on or moved from unclassi- 
fied 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 
(b) that the roots shall be treated by means approved by the Bureau of 
Entomology and Plant Quarantine in manner and by method satisfactory to 
the inspector, or (c) that it shall be shown by evidence satisfactory to the 
inspector that the accompanying soil was obtained at such points and under 
such conditions that in his judgment no infestation could exist therein. 
(10) 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, if contaminated with vegetable matter, 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; (c) shall 
report immediately in writing all purchases or receipts of such articles secured 
from within the regulated area; and (<]) shall also report immediately on 
forms provided for that purpose all their sales or shipments of such articles 
both to points outside the regulated arras and to other classified nurseries or 
greenhouses within the regulated areas. Certification may be denied to any 
person who has omitted to make the report or reports required by this regu- 
lation, and such denial of certification shall continue until the information 
so omitted has been supplied. 
(IT) Nursery and ornamental stock imported from foreign countries find 
not r Snipped 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. 
(12) Nursery and ornamental stock originating outside the regulated areas 
and certified stock originating in classified nurseries <>r greenhouses may he 
certified for reshipment from premises other than those on which they origi- 
nated, under provisions satisfactory to the inspector for the safeguarding of 
