Trunk columnar, of equal diameter or enlarged upward; pedicels long, bracteate above the base; seed naked, smooth and shining, cerebriform, the surface irregular with broad furrows and convolutions. THRINGIS. =Inodes= gen. nov. In this genus, of which the hat palm of Puerto Rico may be considered the type, it is proposed to accommodate the dendroid palms commonly referred to _Sabal_, the type of which is _S. Adansonii_ Guersent. The most conspicuous difference between _Inodes_ and _Sabal_ is, of course, the fact that the former produces an upright trunk while the latter has only what might be called an underground rootstock, although such a distinction is quite artificial, both groups of species beginning life with a creeping axis which becomes erect in one and remains horizontal in the other. A much more important difference is to be found in the leaves which in _Inodes_ have secured strength by the development of a midrib, a tendency early abandoned by _Sabal_ in which the midrib is rudimentary and the middle of the leaf is the weakest part. The leaves of _Sabal_ are adapted for standing erect and avoid resistance to the wind by being split down the middle. The leaves of _Inodes_ which are held horizontal from an erect axis have attained the unique adaptation of a decurved midrib which braces the sloping sides of the leaf and effectively prevents the breaking above the ligule common in some of the species of _Thrinax_. It is true that leaves of young specimens of _Inodes_ stand erect like those of _Sabal_ and do not have the curved midrib, but even at this stage the midrib is relatively well developed and the blade opens out to an almost circular form instead of occupying an arc of 180 degrees or less as in the more strictly flabellate leaves of _Sabal_.