FLORA OF THE HAWAIIAN ISLANDS. 171 



cells, and the wingless seeds without albumen), belongs the Pride of India tree (Melia 

 Azederach) much planted for ornament and use. 



ORDER XIX. ILICLNE^E. 



Trees or shrubs, with alternate, dotless, coriaceous leaves, and small 

 axillary polygamous flowers. Calyx of 4 - 6 sepals. Petals 4-9, with 

 as many or twice as many stamens inserted on their bases, which are 

 somewhat united in a ring. Ovary 2 - 6-celled ; the cells with a single 

 suspended ovule. Fruit drupaceous, with as many hard one-seeded 

 pyrense (nutlets) as cells to the ovary, or fewer by abortion. Embryo 

 minute, in hard albumen. 



1. BYRONIA Endl. 



Calyx small, 3 - 4-lobed. Corolla 5 - 9-parted. Stamens of the same 

 number or twice as many ; filaments subulate ; anthers oblong. Ovary 

 globose, 10 - 18-celled ; stigma sessile and discoid. Leaves glabrous 

 and shining. Cyme trichotomous. 



A genus of three species, one each from Australia, Tahiti, and the Hawaiian Islands. 



1. B. SANDWICENSIS Endl. (Enum. No. 83.) A much branched 

 small tree or large shrub, 15 -25 high. Leaves oval or elliptical, 

 obtuse, tapering slightly towards the base, 2' - 4' long, about 2' wide, 

 reticulate-veiny, entire or occasionally serrulate. Petioles 6" -15" 

 long. Flowers in (often many -flowered) cymes. Peduncle 1'- 2' long. 

 Pedicels 2" -4" long. Calyx persistent, 4-lobed, about 1" long; the 

 lobes broad, crenulately toothed in fertile flowers. Corolla rotate- 

 spreading, the lobes rounded, li"-2" long, white. Stamens short. 

 Ovary sessile, in the sterile flowers small and imperfect. Stigma 

 radiate- with 12-18 lines. Drupe black, 3" -4*" in diameter. 



In mountain woods, at medium elevations, common. 



ORDER XX. CELASTRACE^E. 



Shrubs or trees, with simple leaves. Calyx of 4-5 sepals, imbri- 

 cated in aestivation. Petals as many as the sepals, inserted under the 

 flat expanded disk which closely surrounds the ovary, and mostly im- 

 bricated in aestivation. Stamens as many as the petals, and alternate 

 with them, inserted on the margin or upper surface of the disk. Ovary 

 free from the calyx. Fruit a capsule or berry, with one or few seeds 

 in each cell. Seeds usually arilled, albuminous, with a large and 

 straight embryo. 



