-7- 
earth, the certificate should also attest that the plants or parts of 
plants were grown in a place free from potato wart ( Synchytrium en- 
dobioticum ) and that the soil contained in the shipment does not come 
from land infected by potato wart. This does not mean that a special 
examination of the soil is required for traces of the wart organism. 
An attestation by the official plant protection service of the exporting 
country that the establishment (nursery, plantation, garden, etc.) in 
which this plant material was grown that the said service had not de- 
termined any case of wart disease in that establishment, will suffice. 
Certificates by competent Federal or State authority are accept- 
able to the Polish Ministry of Agriculture and Agrarian Reform, but the 
certificates should be issued in the form prescribed (Model 16). 
ENTRY OF PLANTS AND PLANT PRODUCTS FROM FRONTIER LOCALITIES 
Art. 4. The potatoes, plants, seeds, and fruits named in arti- 
cles 1 and 2 which originate in agricultural districts intersected by 
the frontier and intended for the urgent needs of those districts may 
be imported without phytosanitary certificate and with the permit of 
the local Polish authority of the general government only. 
CERTIFICATE REQUIRED 71 TH CLOVER SEEDS 
Art. 5. Seeds of clover ( gri folium ) , alfalfa ( Medicago ) , sand 
clover ( Anthyllis ) , sweetclover ( Mel i lot us ) , birdsfoot trefoil ( Lotus 
corniculatus ) , and timothy (Phleum pratense ) imported from foreirn 
countries must be provided with a certificate, in the following form, 
of the seed laboratory of the exporting country. 
CERTIFICATE OF PURITY FOR CLOVER AND RELATED SEEDS 
(Model 4) 
The seed testing station at (locality of station) hereby affirms 
that according to the examination of samples from the consignment de- 
scribed below, consisting of (quantity) sacks of seeds of clover, alfalfa, 
sand clover, sweetclover, birdsfoot trefoil, and timothy, the containers 
of which are furnished with seals, are numbered, and bear the tag of the 
seed testing station, they did not yield a single seed of Cuscuta . 
At the same time, the seed testing station declares that the exam- 
ination was effected under the following conditions: 100 g of seeds were 
withdrawn from three places, the upper, middle, and lower portion of each 
sack. Each of the samples so withdrawn was separately examined. Not a 
single Cuscut a seed was thereby found. If the examination showed the 
presence of Cuscuta in half or greater proportion of the samples, the whole 
