PORTULACE.E. 129 



ORDER XLIX. PASSIFLORE^. De Cand. Lind. 



Sepals 5, sometimes irregular, combined in a tube of varia- 

 ble length, the sides and throat of which are lined by filament- 

 ous or annular processes, apparently metamorphosed petals. 

 Petals 5, arising from the throat of the calyx, on the outside of 

 the filamentous processes, occasionally wanting, sometimes 

 irregular, imbricated in aestivation. Stamens 5, monadel- 

 phous, rarely indefinite, surrounding the stalk of the ovarium ; 

 anthers turned outwards, linear, 2-celled, bursting longitudi- 

 nally. Ovary seated on a long stalk, superior, 1-celled ; 

 styles 3, arising from the same point, clavate ; stigmas dilated. 

 Fruit surrounded by the calyx, stalked, 1-celled, with 3 parie- 

 tal polyspermous placentas, sometimes 3-valved. Seeds at- 

 tached in several rows to the placenta, with a bristle sculp- 

 tured testa surrounded by a pulpy arillus ; embryo straight, in 

 the midst of fleshy thin albumen ; radicle turned towards the 

 hilum ; cotyledons flat, leafy. 



Herbs or shrubs usually climbing. Leaves alternate, with 

 leafy stipules. 



1. PASSIFLORA. Juss. 



Calyx 5-parted, coloured, with the tube very short. Petals 

 5, or none, inserted into the calyx. Stamens 5, monadelphous. 

 Crown of many filiform rays. Berry often pulpy, rarely sub- 

 membranaceous, pedicelled. Monadelphia. Fentandria, 



1. P. lutea Linn. : leaves cordate, 3-lobed, obtuse, nearly smooth ; 

 petioles without glands ; peduncles axillary, in pairs ; petals much 

 longer than the calyx. 



HAB. Banks of streams. Penn. to Flor. June- Aug. If. 

 Stem climbing, slender. Flowers small, greenish-yellow. 



Yellow Passion-flower. 



2. P. incarnata Linn. : leaves smooth, subcuneate at base, 5-nerved, 

 deeply 3-cleft ; lobes oblong, acute ; petioles with 2 glands ; involucre 

 3-leaved ; leafets lanceolate, glandular-serrate ; ovary villose. 



HAB. Banks of streams. Del. to Flor. Sept. If Stem long, 

 climbing. Petals white. Nectary purple, longer than the coroL 

 Fruit subacid and spongy, eatable. 



ORDER L. PORTULACEJE. De Cand. Lind. 

 Sepals 2, seldom 3 or 5, cohering by the base. Petals ge- 

 nerally 5, occasionally 3, 4, or 6, either distinct, or cohering 

 in a short tube, sometimes wanting. Stamens inserted along 



