Thirdly, the Sweet Pea ( Lathyrus odoratus) habitually fertilises itself in this country.

Strictly analogous experiments with Viola tricolor and Lathyrus odoratus gave a very different result.

I am very glad to hear about Lathyrus odoratus, for here in England the vars.

Mr. Galton has shown that this holds good with Lathyrus odoratus; as has Mr. A.J.

W.. Bateson has shown this to be the case for the sweet-pea ( Lathyrus odoratus), var.

Moreover, ycf4 has been lost from the chloroplast genome in Lathyrus odoratus and separately in three other groups of legumes.

The case therefore of Lathyrus odoratus or the sweet-pea is curious, for in this country it seems invariably to fertilise itself.

Lathyrus odoratus (Second Generation).

Lathyrus odoratus (Leguminosae).-Fullyfertile.

Cupani himself had sent seed of the scrambling Lathyrus odoratus to Dr Robert Uvedale, a teacher who had developed a skill for growing unusual plants.

This explanation is, we think, almost certainly applicable to Lathyrus odoratus, though in Darwin's latest publication on the subject he gives reasons to the contrary.

Lathyrus odoratus-crossedand self-fertilisedplants of the 2nd generation, left uncovered in the greenhouse, but certainly self-fertilised ,producedpods in number: 91.