The _Silvae_, on the other hand, is a work of considerable interest. The meaning of the word _silva_, in the literary sense, is 'raw material' or 'rough draft'. It then came to be used to mean a work composed at high speed on the spur of the moment, differing in fact but little from an improvisation.[571] That these poems correspond to this definition will be seen from Statius' preface to book i: 'hos libellos, qui mihi subito calore et quadam festinandi voluptate fluxerunt.... Nullum ex illis biduo longius tractum, quaedam et in singulis diebus effusa.' There are thirty-two poems in all, divided into five books. The fifth is incomplete; and, if we may judge from the unfinished state of its preface, was published after the author's death. The poems are extremely varied in subject, and to a lesser degree in metre, hendecasyllables, alcaics, and sapphics being found as well as hexameters. They comprise poems in praise of the appearance and the achievements of Domitian,[572] consolations to friends and patrons for the loss of relatives or favourite slaves,[573] lamentations of the poet or his friends for the death of dear ones,[574] letters on various subjects,[575] thanksgivings for the safety of friends,[576] and farewells to them on their departure,[577] descriptions of villas and the like built by his acquaintances,[578] an epithalamium,[579] an ode commemorating the birthday of Lucan,[580] the description of a statuette of Hercules,[581] poems on the deaths of a parrot and a lion,[582] and a remarkable invocation to Sleep.[583] One and all, these poems show abnormal cleverness. These slighter subjects were far better suited to the poet's powers. His miniature painting was in place, his sprightly and dexterous handling of the hexameter and the hendecasyllable could be more profitably employed. Yet here, too, his artificiality is a serious blemish, his lamentations for the loss of the _pueri delicati_ of friends do not, and can hardly be expected to, ring true, and the same blemish affects even the poems where he laments his own loss. Further, the poems addressed to Domitian are fulsome to the verge of nausea;[584] the beauty of the emperor is such that all the great artists of the past would have vied with one another in depicting his features; his eyes are like stars; his equestrian statue is so glorious that at night (i. 1. 95) cum superis terrena placent, tua turba relicto labetur caelo miscebitque oscula iuxta. ibit in amplexus natus fraterque paterque et soror: una locum cervix dabit omnibus astris. When heaven takes its joy of earth, thy kin shall leave heaven and glide down to earth and kiss thee face to face. Thy son and sister, thy brother and thy sire, shall come to thy embrace; and about thy sole neck shall all the stars of heaven find a place.