APRIL, 1918.] THE ORCHID REVIEW. 83 
green sepals and petals, and one has a dark brown lip, with a whitish area 
on the disc, on which are two brown lines; the other is light green with 
some light brown markings. Both have retained part of the hybrid 
character. 
The third inflorescence represents a secondary hybrid from O. 
Grampinii X bombyliflora, and the seedling is now flowering for the 
first time. We cannot match it and, as it is doubtful whether its origin 
could be made out by comparison, we propose to call it O. fallax, Rolfe. 
The flower is most like C. aranifera in shape, but the sepals and petals are 
strongly suffused with rose, showing the influence of O. tenthredinifera. 
The lip is pale green, more or less suffused with light brown, and here only 
a trace of the influence of O. bombyliflora is apparent, for that species has 
light green. sepals and petals, and a strongly three-lobed brown lip. M. 
Denis remarks that this is the third secondary hybrid that he has raised, 
the others being O. Grampinii x Speculum and O. Grampinii x lutea (O. 
Denisii, M. Keller—see O.R., p. 127). 
M. Denis further writes; “I have this year two other new artificial 
hybrids, O. aranifera x Speculum and O. aranifera x lutea. I have found 
much difficulty with the latter cross, as from about twenty fertilisations 
made during the last twelve years I have only raised a single seedling.” 
These two crosses are identified as follows :— 
O. Maccarattit (Camus Monogr. Orch. Eur., p. 300) is the name of the 
hybrid from O. aranifera X Speculum. It was originally described in 1881 
as QO. aranifera x Speculum, by Macchiatti (Nuovo Gtorn. Bot. Ital., xtit. 
p. 316), from materials collected at Sassarese, Baddimanna, in the Island 
of Sardinia (south of Corsica). It may occur in other localities where the 
two species grow together, though we have not found another record. 
O. QUADRILOBA (Camus Monogr. Orch. Eur., p. 295) is the plant 
originally described and figured, in 1851, as O. aranifera var. quadriloba, 
Rehb. f. Fl. Germ., xiii. p. 89, t- 454, fig. 2, being based on a drawing by 
Barla. It was subsequently figured by the latter (Je. Orch. Alpes-marit., 
p. 65, t. 52, fig. 9-10), from specimens found in the environs of Nice. The 
flowers are bright yellow with brown markings on the disc of the lip, and 
clearly combine the characters of O. aranifera and O. lutea. 
These continued experiments are particularly interesting, because they 
illustrate what is probably taking place in nature. Fertile hybrids not only 
reproduce themselves from seed, but recross with the original parents, and 
with allied species that grow with them; this in each case being accom. 
panied by more or less reversion, which would account for the numerous 
puzzling intermediate forms that occur where allied species grow together. 
We hope that M. Denis will be able to continue and extend his experiments. 
R. A. Roire. 
