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SPs Seven det plane as iteady been successfully cultivated in Michigan: Damage 
hais Say: caused by occasional falls of snow; hence it would be more sei in Wprreaide to 
cultivate the plant in Carolina, where the einer in more favourable. 
Roses indeed grow luxuriantly in California, but the air there is too dry, and the 
3 oil-yield would be small. East of the: -Mississippi however, the ground —as in Bulgaria — 
is” sufficiently moist, and the climate not too hot, so that Ute, conditions for a 
: profitable rose culture are at hand’). © 
f 
_ Rosemary which‘ above all grows in Spain dnd on the coasts. of altiaha. would 
flourish excellently in the warm climate. and on the chalky ground of Florida. 
For the winning of geranium and neroli oil, the pelargonium species and bitter 
oranges — coming from Spain and southern France —could be just as easily cultivated 
in the warm south-eastern states of North America. 
Orris Species are successfully cultivated in California. ) 
Up to now attention has not been paid in America to the lage scale production 
of essential oils from hyacinths, tuberoses, jonquils, jasmine, violets, $c. But there, 
| plants have been cultivated for experimental purposes by the “Department of Agriculture” 
as well as in the gardens of the M. Todd Company in Mentha (Michigan). The winning 
of these products on a large scale is hindered Dy, the high wages, for these products 
demand much hand Jabour. | 
A. Reclaire*) bits on perfume Si Reoe ae occurring in Holland. , In addition 
to the cultivated plants—of which the caraway takes the first place—a series of wild 
aromatic phanerogams flourish in the Netherlands, which have not yet been made use — 
of there for the preparation — of essential oils. Amongst there may be mentioned: — 
the common juniper, Juniperus commums. L., Comfere; Dutch myrtle, Myrica Gale, L., 
Myricacee:; calamus, Acorus Calamus, L., Aracec; bear’s breech, Heracleum Sphondylium, L., 
Umbellifere: wild thyme, Thymus Serpydhuin, L., Labiate ; origan, Origanum. vulgare, L. 
Labiate ; yatrow or milfoil, Achillea Millefolium, L., Composite; tansy, Tanacetum vulgare, L., 
Dinca: Artemisia maritima. | , Composite; sea fennel or Samapiite © Crithmum maritimun. 
i Umbelliferee. 
af 
~ Noordwijk is ‘said by C. de Graaff’) to be the centre of the edicuas plant culture 
im Holland, where people have been occupied in growing medicinal herbs since the 
end of the 16¢) century. The cultivation could not be maintained in Wassenaar, and at 
‘present only peppermint, licorice and roses are to a small extent grown there. On the 
‘contrary, the undertaking on Walcheren (Zeeland), established’ in 1917, continually 
increases. In the neighbourhood of Kondekerke, and in East-Kapelle the cultivation 
_ of valerian, peppermint, thorn apple, woodruff,- iris, elecampane, wild apy (or wild 
3 caraway), wormwood, witchhazel and hydrastis. 
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~ \ 
Cudtioation on the Seychelles. ks is known, the vanilla plant, which 60 yeaes ago. 
was introduced into the Seychelles from Baanion: and was quickly naturalised on 
account of the favourable conditions, together with copra were the most important 
articles of export from this island group. But for some time there has been a great 
2 change noticeable in the exports from the islands. About 20 years ago, quantities of 
vanilla to the value of 1000000 rupees were exported; the value of the 1917 crop was 
only 50000 rupees‘). The cause of this surprising backward movement must be ascribed 
5 ay We reported already in Report ‘April 1915, 40, on the possibility of cultivating roses in Oregon, — 
%) Perfum. Record 10 (1919), 289. — *) Heil- und Gewiirapflanzen 3 (1920), 201. — #4) Perfwm. Record 10 (1919), 
186; cf. Report 1919, 77. © : 
“Notes | oN SCIENTIFIC RESEARCH. bic wee A cme 87 
