86 
Libocedrus arfakensis Gibbs.—A. Fertile Q branch, with very young strobili showing four 
bracts: f.,f,, fertile, s.,s., sterile; B, C, D. Progressive stages, showing gradual dis- 
placement of bract apices by secondary upgrowth of tissue ; E. Strobilus before 
debiscence, anterior bract removed, exposing the two ovules o., with wings still 
undeveloped, on the posterior f. bract ; F. Mature strobilus, exposing wings of ovules 
on dehiscence ; G. Old strobilus, ovules shed, 
