INTO THE FLORA OF CHINA. 
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diagnosis (Tonrnef.) to a variety of Quercus aegylops L. of the 
Levant. But there can be no doubt that Incarville’s Chestnut 
oak is the Quercus chinensis- Bge., very common in 
North-China. 
4. Zanthoxylum Aviceimae. D. C. It was first des¬ 
cribed by Lamarck 1. c. II. 445, in 1786, under the name of 
Fagara Avicennae, from a specimen sent by Incarville, probably 
from the province of Shantung. It seems this is his Fagara 
or Poivrier de Chine, the leaves of which are used to feed a 
kind of silkworm, (see the above mentioned memoir.) 
5. Syringa villosa first described by Vahl 1805, from 
specimens gathered by Incarv. in the mountains of Peking. 
6. Incarvlllea sinensis, described by A. L. Jussieu in 
1789. Lam. 1. c. III. 243. 
7. Bicentra spectabilis Miq. Fmiaria spectabilis. L.— 
Lam. 1. c. II. 571, saw dined specimens of this plant sent by 
Incarv. in Jussieu’s herbarium, (comp, also above Linn. Chin, 
pi. 4.) 
8. Polygonum tinctormm. Lour. Grosier (la Chine III. 
276) reports that Inc. had sent to Paris seeds of the Peking 
Indigo (which is Pol. tinctorium.) accompanied with a memoir 
on the cultivation of the plant and directions for the extraction 
of its coloring matter. Jussieu cultivated the plant in the 
Royal Garden. 
9. Callistephus chinensis. Nees. Aster chinensis. L. 
Thouin (Diction, d’Agriculture 1. 710.)* states that seeds of 
the “ Reine Marguerite” sent by Incarv. to Jussieu had been 
for the first time received in 1728. There seems to be some 
misapprehension. Seeds of the Chinese Aster or Reine Mar¬ 
guerite may have been sent by Incarville but not in 1728, for 
he arrived in China only in 1740. Dillenius describes the 
plant for the first time in his Hort. Eltham. 1732. 
There is a strong probability that many other plants of 
North-China cultivated in European gardens and especially in 
Paris since the middle of the last century, were first raised 
from seeds sent by Incarville, although in botanical works his 
name does not appear in connection with the introduction of 
these plants. I may mention the following: 
10. Koelreuteria paniculata. Laxm. a tree hitherto 
observed in a wild state only in the neighborhood of Peking. 
Laxmann, a Russian botanist, described it first in 1772. Nov. 
Com. Acad. Petrop. XVI. He states that this shrub, the native 
# I have not seen the original but quote from Grosier. L b/lll. 1 
