CUCUKBITACE.E. (gOURD FAMILY.) 169 



long. Leaves sometimes entire. Flowers 4" -6" wide, yellowish. Berry 

 jjurple, as large as a pea. Filaments of the crown in 2 rows. Stamens occa- 

 sionally 4. Stipules subulate. 



5. P. pallida, L. Leaves on short biglandular petioles ; the lower ones 

 3 lobed, acute ; the upper ovate or oblong, undivided; stipules subulate; pe- 

 duncles commonly by pairs, about the length of the petioles ; flowers very 

 small ; segments of the crown few, filiform, shorter than the calyx. — South 

 Florida. 



6. P, multiflora, L. Stem climbing high; leaves velvety-pubescent, 

 ovate-obloug, entire, short-petioled ; flowers small, in axillary clusters ; invo- 

 lucre none. — Miami (Garher), Umbrella Key (Curtiss), South Florida. — 

 Stem woody, climbing over the tallest trees. Leaves 2' -3' long. 



2. CARICA, L. Custard Apple. 



Flowers dicecious. Corolla of the staminate flower salver-shaped, 5-lobed. 

 Stamens 10, inserted on the throat of the corolla. Corolla of the pistillate 

 flower 5-petalled. Lobes of the stigma lacerate. Fruit pulpy, manv-seeded. 

 — Trees, with simple stems, large loug-petioled lobed leaves, and a.xillary 

 flowers. 



1. C. Papaya, L. Trunk simple, leafy at the top (10°- 20° high); 

 leaves mostly 7-lul)ed, broadly sinuate ; staminate flowers panicled ; pistillate 

 flowers single or 2 - 3 together, and larger. — South Florida. — Flowers yellow. 



Order 64. CUCURBITACE^E. (Gourd Family.) 



Herbs, witli succulent stems, climbing by means of lateral tendrils. 

 Leaves alternate, palmately veined or lobed. Flowers axillary, monoe- 

 cious or dicecious. — Calyx o-toothed, adnate to the ovary. Corolla of 

 5 distinct or more or less united petals, coherent with the calyx. Sta- 

 mens 3 - 5, free or variously united. Anthers long, straight or tortu- 

 ous, commonly connate. Ovary 1 - 3-celled. Stigmas 3. Fruit (pepo) 

 fleshy or pulpy, 1 - 3-celled. Seeds compressed, anatropous, without 

 albumen. Cotyledons leafy. 



Synopsis. 



1. TRIANOSPERMA. Petals 5, distinct, or united at the base. Ovary 3-celled. Fruit 3- 



seeded, smooth. 



2. MELOTHRIA. Petals 5, united into a campanulate corolla. Ovary 3-celled. Fruit 



many-seeded, smooth. 



3. SICTOS. Petals 5, united at the base into a rotate corolla. Ovary 1-celled. Fruit I- 



seeded, hispid. 



4. ECHtNOCYSTIS. Petals G. Ovary 2-celled. Fruit 4-seeded. 



1. TRIANOSPERMA, Torr. & Gray. 

 Flowers monoecious or dicecious. Calyx 5-toothed. Petals 5, distinct, or 

 united at the base. Stamens 5, triadelphous : anthers tortuous. Style mostly 

 3-cleft. Fruit ovate or globose, smooth, few-seeded. 



