ORDER LIV. CUCURBITACEiE. 319 



Genus I.— PASSIFLO'RA. L. 15—5. 



(From passio, passion, &ndjk>s, a flower; some fancied resemblance to the crown of 

 thorns and otber appendages of the passion of our Saviour.) 



Calyx 5-parted, with a campanulate tube with a filamentous 

 crown inserted into the throat. Petals 5. Stamens 5. Anthers 

 large. Stigmas 3, clavate. Fruit pulpy. Flowers axillary, 

 with a filamentous crown. 



1. P. ixcarxa'ta, (L.) Stem climbing, herbaceous. Leaves 3-lobed, 

 alternate ; lobes oblong, acute, pubescent along the veins. Petioles 

 with 2 glands near the. summit. Flowers axillary, solitary, on a long 

 jointed peduncle ; tendrils axillary. Calyx 5-parted, pubescent. Pet- 

 als oval-oblong ; crown triple. Fruit oval, glabrous, eatable. — White. 

 X- . May— July. Dry soils. 20—30 feet. May Pop. 



2. P. lu'tea, (L.) Stem herbaceous, slender, climbing, slightly hairy. 

 Leaves somewhat cordate at the base, obtusely 3-lobed at the summit, 

 glabrous. Flowers by pairs, on axillary peduncles. Petals narrow. 

 Fruit dark purple. — Greenish-yellow. 2£. May — July. Common. 

 3—10 feet 



Order LIV.— CUCURBITA'CEvE. 



Calyx 5-toothed, the limb sometimes obsolete. Petals 5, 

 distinct. Stamens 5, usually diadelphous or triadelphous. An- 

 thers long and sinuous. Ovary cohering to the calyx. Fruit 

 fleshy. Seeds anatropous ; albumen none ; cotyledons foliace- 

 ous. Herbaceous plants, climbing by stipular tendrils. Leaves 

 alternate. Flowers axillary. 



Gexus I.— BRYONIA. L. 19—15. 

 (From the Greek Iruo, to sprout up, alluding to its rapid growth.) 



Floivers monoecious. Calyx with 5 short teeth. Petals 5. 

 Stamens 5, triadelphous. Style generally 3-cleft. Fruit an 

 oval berry, few-seeded. 



1. B. Boykix'ii, (T. <fc G.) Stem climbing, pubescent; tendrils usu- 

 ally simple. leaves cordate, 3-lobed, with the middle one longest, 

 acuminate, denticulate, the lateral angled or 2-lobed. Sterile and fer- 

 tile flowers usually together, on short pedicels. Fruit crimson, becom- 

 ing yellow. Seeds with 2 lateral teeth. Greenish-white. If. June — 

 July. Along streams. 15 — 20 feet. 



Gexus II.— MELOTH'PJA. L. 19—15. 

 (The name of a plant, given by Tbeophrastus.) 



Flowers monoecious. Calyx 3 — 5-toothed. Petals 5, form- 

 ing a campanulate corolla ; perfect flowers sometimes apetalous. 

 Stamens 5, triadelphous. Anthers contorted. Style 1. Stig- 

 mas 3, dilated, with a cup-shaped disk surrounding the base of 

 the style. Fruit a small many-seeded berry. 



