136 
THE JOURNAL OF BOTANY 
the two species (particularly with respect to the size of the conidia), 
but also that the spots produced on the leaves were different in 
appearance. In the Japanese species the spots are bordered by the 
veins of the leaf, thus giving them a quadrangular or polygonal out¬ 
line. In our species the spots are more circular in outline, and the 
dark line between the grey central portion and the yellow outer zone 
is a conspicuous feature of the fresh leaf. We could find no evidence 
of the presence of this darker border on the Japanese specimens, and 
Professor Hori does not describe one ; there was some yellowing to be 
seen round the spots, however, this being evident even on the dried 
leaves. 
THYMUS LANUG1NOSUS in Herb. Miller. 
By A. J. Wilmott, F.L.S. 
Occasional enquiries have been received at the Natural History 
Museum about the types of Thymus spp. of Miller’s Gardener’s 
Dictionary. The specimens of T. ovatus, T. ylaher, and T. odora- 
tissimus are written up with these names by Solander, with “ Herbar. 
Miller” on the back of the sheet. They may reasonably be used as 
types to give greater precision to the Miller names. But with 
T. lanuyinosus the case is different, and the object of this note is to 
explain the relation of these specimens to the Miller name. 
They are presumably those indicated by Solander as present in 
Herb. Miller by a mark in the Museum copj r of Miller’s Diet. ed. 8. 
The sheet is written up on the front in the same way as the other 
tli ree, i.e., “ Thymus lanuyinosus Mill. Diet.”; but on the back is 
written “ Gallia Locis montosis circa Fountainebleau.” In the 
Dictionary we read that this “ grows naturally in the forest of 
Fontainebleau in France,” but there is no mention of “locis mon¬ 
tosis.” This fact indicates that the information was copied bv 
Solander from a ticket that was with the plant in Herb. Miller; this 
ticket was then destroyed as was custom in Herb. Banks. But the 
specimens do not agree with Miller’s description. They could not be 
described as “ with small oval, spear-shaped, hoary leaves,” since they 
are fairly typical specimens of T. Serpyllum var. anqustifolius (Pers.): 
Billot 828, Schultz 1814. 
The solution of this discrepancy is probably very simple. After 
the War I studied carefully the whole series of (European) sheets of 
Herb. Miller which had been selected as types for special preservation. 
Many facts become evident from the examination of a large series 
which had remained uncertain from the study of solitary instances. 
It was quite certain that many sheets with no information on the 
back were sent from Herb. Miller when the name was written up on 
the sheet as of “Mill, Diet.” or even only “ L. M.” (Linnams, 
Miller) or “ M. L.” Th is has already been shown by Mr. Britten in 
this Journal for 1913 (p. 132). But it also became clear that plants 
written up “ Hort. reg. paris. 1727 ” were also “ Herb. Miller,” being 
part of Herb. Houstoun, of which the original tickets are sometimes 
preserved. Many are also merely labelled “ Hort. reg. paris.” or 
