MANN, FLORA OF THE HAWAIIAN ISLANDS. 105 



V. Flora of the Hawaiian Islands. 

 Br HORACE MANN. 



[Concluded from vol. v, p. 248.] 



1. PAPAYA Tourn. [Milikana Hei.] 



Genus (which, with another, forms the small tribe of Papayacece) 

 with unisexual flowers, differing from the rest of the order in that the 

 flowers are destitute of a crown, the stamens distinct and in 2 series, 

 inserted on the throat of the corolla ; the ovary sometimes spuriously 

 5-celled ; and the species being small trees with milky juice. Male 

 flowers : Galyx small, 5-toothed. Corolla hypogynous, funnel-shaped, 

 limb 5-lobed. The 5 stamens opposite the corolla lobes sessile, the 5 

 alternate ones with short filaments. Female flowers : Calyx as in the 

 male. Petals 5, linear-oblong, erect, deciduous. Style very short; 

 stigma dilated radiately 5-lobed or simple. Fruit baccate, 1-celled, 

 with a firm rind, pulpy, inside. So'ft- wooded trees, with palmately 

 many-lobed or rarely entire leaves, in terminal clusters. Peduncles 

 axillary, the male one many-flowered, racemed or corymbed, the fe- 

 male ones few-flowered. 



A small tropical American genus. 



1. PAPAYA VULGARIS, D C. (Enum. No. 147.) A small tree, usually 

 with a simple erect trunk, but sometimes branching ; the trunk be- 

 coming hollow with age and containing a large quantity of fluid. 

 Leaves clustered at the summit of the trunk or branches, petioled, 1 

 more or less, in diameter, palmately many-lobed. Flowers white or 

 whitish. Fruit large, orange-yellow, edible. 



Much planted and now run wild in many places. Commonly called Papaya, Pawpaw 

 or Papaw. Native of tropical America, but common now in most tropical countries. 



ORDER XXXV. CUCURBITAOE. 



Tender or succulent herbs, climbing by tendrils; with alternate, 

 palmately veined, or lobed, rough leaves, and monoecious (in all our 

 species) or dioecious flowers. Calyx of 4 or 5 (rarely 6) sepals, united 

 into a tube, and in the fertile flowers adherent to the ovary. Petals 

 as many as sepals, commonly more or less united into a monopetalous 

 corolla, which coheres with the calyx. Stamens 5 or 3, or rather two 

 and a half, i. e. two with 2-celled anthers, and one with a 1-celled an- 

 ther, inserted into the base of the corolla or calyx, either distinct or 



COMMUNICATIONS ESSEX INSTITUTE, VOL. VI. 14 Feb., 1871. 



