ject to occasional roundish dilatations. The granules are more
decidedly geminate than in M. Dill-wynii, in which they only
appear furrowed, but in the latter they are nevertheless probably
also geminate.
i i
Fig. 1. M. obtusum, natural size. Fig. 2. A single plant. Fig. 3. Termina-
tion o f a branch. Fig. 4. Grantdes; magnified.
