1933] SERVICE AND REGULATORY ANNOUNCEMENTS 287 
(a) When the cultural value of alfalfa seed is less than 85 percent, with a 
purity of 98 percent. 
(&) When seeds of white clover, red clover, crimson clover, alsike clover, 
strawberry clover, Alexandrian clover, yellow trefoil, French honeysuckle, and 
sand clover, have a cultural value of less than 75 percent. 
(c) When the cultural value of seeds of white sweetclover, Hubam clover, 
and serradella, is less than 70 percent. 
(d) When the cultural value of birdsfoot trefoil, British bog lotus, and 
sainfoin is less than 60 percent. 
(e) When leguminous seeds of any species contain more than 10 Cuscuta 
seeds per kilogram of seed. 
(f) When they contain more than one half of 1 percent by w T eight of weed 
seeds, considering as such those corresponding to all species of uncultivated 
plants, or attest that the seeds have been subjected to a mechanical treatment 
to modify their appearance or their constitution. 
Art. 4. The seeds of gramineous forage plants mentioned in article 2 will be 
subjected to a determination of their germinability and content of foreign 
seed, proceeding to reject those found in the following conditions : 
(g) When the seeds of oats, barley, rye, timothy, and teff have a germinability 
of less than 80 percent. 
{h) When the seeds of rescue grass, orchard grass, meadow fescue grass, 
redtop, ryegrass, broomcorn millet, sorgo (sweet sorghum), and Sudan grass 
have a germinability of less than 70 percent. 
(i) When the seed of tall oatgrass, common bromegrass, crested dogtail 
grass, sheep's fescue grass, Peruvian winter grass, and rough bluegrass have a 
germinability of less than 60 percent. 
(/) When the seeds of meadow foxtail, Bermuda grass, red fescue grass, and 
Kentucky bluegrass have a germinability lower than 50 percent. 
(fc) When Rhodes grass contains less than 500,000 germs per kilogram of 
seeds. 
Art. 5. All gramineous seeds which contain more than 1 percent, by weight, 
of weed seeds, will be rejected ; also when they contain more than 3 percent, 
by weight, of seeds of other cultivated species of plants, their importation is 
still prohibited, even in the case of special mixtures, as forage or for turf. 
Mixtures of Lolium perenne with L. italicum and those of different species 
of the genus Poa, are excepted from these provisions. 
Art. 6. The importation of seeds of Sudan grass and sorgo (sweet sorghum) 
and of any other species of sorghum which contain fruits of Sorghum halpense, 
is prohibited. 
Art. 7. No shipment of alfalfa seed may be introduced into the country 
unless at least 1 percent of the contents of each container be colored as follows : 
(1) Alfalfa seed from European countries by an alcoholic solution of crystal 
violet (1% percent). 
(2) Alfalfa seeds from other countries or regions shall be colored with 
malachite green (iy 2 percent). 
(3) The coloring materials, which may be those above indicated, or others 
which produce equal coloration to those established, shall be applied in such a 
manner that the colored seeds are distributed as uniformly as possible 
throughout the package. 
Art. 8. Each combined sample taken for analysis in accordance with the 
provisions of these regulations shall represent not more than 200 sacks or 
containers of the same mark and shall be withdrawn by taking partial samples 
in the following proportions : 
(1) When the shipment comprises a single lot of 5 containers or less, 
a sample will be taken from each container to form the combined sample. 
(2) In shipments comprising a lot of more than 5 containers and less than 
30 a sample will be taken from every second, container, but never fewer than 
5 containers shall be sampled. 
(3) When the shipment comprises a lot exceeding 30 containers and not 
more than 50, samples will be taken from every third container, but the 
combined sample shall never be drawn from fewer than 15 containers. 
(4) If the lot exceeds 50 containers samples shall be taken from 30 percent 
of them. 
(5) When a shipment comprises various lots, samples will be drawn from 
each lot separately in the manner indicated in sections 1, 2, 3. and 4. 
Art. 9. Three combined samples thus formed will be taken ; one for the 
Direccion de Laboratorios e Investigaciones Agrfcolo-Ganaderas del Ministerio 
