148 CUCURBITACE^E. (GOURD FAMILY.) 



4. P. angustifolia, Swartz. Lower leaves mostly 3-lobed, with the lobes 

 lanceolate, obtuse, and entire ; upper leaves simple, lanceolate, and acute ; peti- 

 oles short, biglandular ; flowers small, solitary or by pairs, the peduncles short 

 and bractless ; petals none South Florida. Stem 1 - 2 long. Leaves 

 sometimes entire. Flowers 4"- 6" wide, yellowish. Berry purple, as large as 

 a pea. Filaments of the crown in 2 rows. Stamens occasionally 4. Stipules 

 subulate. 



5. P. Warei, Nutt. Leaves on short biglandnlar petioles ; the lower ones 

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

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

 segments of the crown few, filiform, shorter than the calyx. South Florida. * 

 Probably identical with P. pallida of the West Indies. 



ORDER 61. CUCURBITACE^E. (GOURD FAMILY.) 



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

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

 cious or dioecious. Calyx 5-toothed, adnate to the, ovary. Corolla of 5 

 distinct, or more or less united petals, coherent with the calyx. Stamens 

 3-5, free or variously united. Anthers long, straight or tortuous, com- 

 monly connate. Ovary 1 - 3-celled. Stigmas 3. Fruit (pepo) fleshy or 

 pulpy, 1 - 3-celled. Seeds compressed, anatropous, without albumen. 

 Cotyledons leafy. 



Synopsis. 



1. BRYONIA. 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. SICYOS. Petals 5, united at the base into a rotate corolla. Ovary 1-celled. Fruit 1- 



seeded, hispid. 



1. BRYONIA, L. 



Flowers monoecious or dioecious. 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. 



1. B. Boykinii, Torr. Gray. Rough-pubescent; leaves broadly cor- 

 date, 3 - 5-lobed ; the lateral lobes entire or toothed, the middle one cuspidate ; 

 sterile and fertile flowers intermixed, 3-5 in a cluster, short-pedicelled ; styles 

 xinited ; fruit 3-seeded ; the seeds 3-toothed at the base. River-banks, Georgia, 

 and westward. June and July. Stems elongated. Flowers greenish-white. 

 Berry crimson. 



2. MELOTHRIA, L. 



Flowers polygamous or monoecious. Calyx of the fertile flower narrowed 

 above the ovary ; the sterile ones campanulate. Petals 5, united into a campanu- 



