360 



guelder roses, and laburnums; and particularly valuable from their 

 thriving under the shade of trees, and forming a blockade against 

 low buildings, where persons have no objection to their strong 

 smell. 



2. PASSIFLORA C^RULEA. 



COMMON PASSION FLOWER. 



Tins genus contains plants of the herbaceous and shrubby flow- 

 ering kinds. 



It belongs to the class and order Gynandria Pentandria, (Pentan- 

 dria Trigynia,} (Monadelphia Pentandria,} and ranks in the natural 

 order of Cucurbit acetz. 



The characters are: that the calyx is a five-parted perianthium, 

 flat, coloured: the corolla has five petals, semilanceolate, flat, blunt, 

 of the same size and form with the calyx: nectary a triple crown; the 

 outer longer, encircling the style Avithin the petals, more conlracted 

 above: the stamina have five awl-shaped filaments, fastened to a co- 

 lumn at the base of the germ, and united at bottom, spreading : 

 anthers incumbent, oblong, blunt: the pistillum is a roundish germ, 

 placed on the apex of a straight, cylindrical column: styles three, 

 thicker above, spreading: stigmas capitate: the pericarpium is a 

 fleshy berry, subovate, one-celled, pedicelled: the seeds very many, 

 ovate, arilled : receptacle of the seeds triple, growing longitudinally 

 to the rind of ihe pericarp. 



The species cultivated are: 1. P. carulea, Common or Blue Pas- 

 sion-flower; 2. P. incarnata, Rose-coloured Passion-flower; 3. P. lutea, 

 Yellow Passion-flower; 4. P. serratifolia, Notch-leaved Passion- 

 flower; 5. P. maliformis, Apple-fruited Passion-flower; 6. P. qua- 

 drangulaiis, Square-stalked Passion-flower; ? P. alata, Wing-stalked 

 Passion-flower ; 8. P. laimfolia, Laurel-leaved Passion-flower, or 



