FLOKA OF THE HAWAIIAN ISLANDS. 109 



lateral leaves, with 2 free, usually caducous stipules, and axillary, 

 peduricled, bracted cymes, bearing one or both sexes of flowers. 

 Flowers monoecious, asymmetrical, white, "red or yellow, and very 

 showy. Male flowers : Perianth segments 2 or more, the exterior 

 usually 2, sepaloid, opposite, valvate, the interior petaloid, imbricated, 

 or none. Stamens indefinite ; filaments free or connate. Ovary want- 

 ing. Female flowers: Perianth segments 2-5, rarely mose, variously 

 disposed. Ovary more or less inferior, 1- many-celled, but usually 

 3-celled and 3-angled. Styles 2-5, more or less joined, usually 2-cleft. 

 Ovules very numerous. Fruit capsular or berry-like. Seeds minute, 

 with thin or no albumen. 



Many species of Begonia, in which the male flowers have the 2 outer perianth- 

 leaves sepaloid, the 2 inner petaloid, or rarely more than 2 or wanting, the stamens in- 

 definite, free or monadelphous; female flowers with usually 6 leaves to the perianth, of 

 which the 2 outer larger ones are sepaloid, a usually 3-celled inferior ovary, with as many 

 2 -many-cleft styles; the placentae usually in the axis of ovary; fruit usually capsular, 

 and septicidally or loculicidally dehiscent, are cultivated for their showy flowers and 

 bracts. 



1. HILLEBRANDIA Oliver. 



Male flowers : Sepals 5, nearly equal, broadly ovate, acute. Petals 

 5, alternate with the sepals, small, spathulate, and hooded. Stamens 

 indefinite, free. Female flowers : Calyx tube hemispherical, wingless, 

 adnate to the ovary, with a 5-lobed limb. Petals as in male flowers. 

 Stamens represented by numerous minute stipitate perigynous glands. 

 Ovary open at the free apex, imperfectly 5-celled, with five bilamellar 

 placentae, projecting into the cells ; styles 5, opposite the calyx-lobes, 

 2-cleft. Capsule membranaceous, wingless, dehiscing by a broad 

 opening at the top between the styles. - A branched, hairy, succulent 

 herb, with oblique-cordate-rotund irregularly 5-9-lobed sharply ser- 

 rate petioled leaves, and many bracted, peduncled cymes, bearing both 

 sexes of flowers. 



Genus of one species, peculiar to the Hawaiian Islands. 



1. HILLEBRANDIA SANDWiCEXSis Oliver. (Enum. No. 147.) A large 

 herb 3 -6 high. 



Valleys behind Lahaina, "West Maui, where it was first discovered by Mr. Dwight 

 Baldwin. Waioli Valley Kauai. Mountain above Waimea, Kauai, often on cliffs by the 

 side of cascades or on the moist banks of brooks high in the mountains. 



ORDER XXXVII. UMBELLIFEILE. 



Herbs, with hollow stems, and alternate, dissected leaves, with the 

 petioles sheathing or dilated at the base. Flowers in simple or mostly 

 compound umbels, which are occasionally contracted into a kind of 

 head. Calyx entirely coherent with the surface of the dicarpellary 



