294 



ORGANOGRAPHY. 



Fig. 635. 



Fig. 636. 



Fig. 635. Stigma, s, attached to style, t, of Bignonia arborea. In the left 

 hand figure the lamelloe are separate, in the other applied closely to one 



another Fig. 630. Flower of a species of liumex, showing fringed 



stigmas, pi. 



upon the top of the style, Avhich is larger than it, this com- 

 pound stigma or head is said to be capitate ; and this head may 

 be either globular, as in Daphne (Jig. 638), or hemispherical, 

 as in the Primrose (Jigs. 531 and 567), or polyhedral, or 

 club-shaped, or peltate or shield-shape, as in the Arbutus {fig. 

 637), and Poppy {fig. 428), &c. In the Violet {fig. 639), the 

 stigma presents an irregular hooded appearance. 



Fig. 637. 



Fig. 638. 



Fig. 639. 





Fig. 637. s. Peltate stigma surmounting the 



style, t, of a species of Arbutus. Fig. 6.'W. 



Pistil of Daphne, o. Ovary, st. Style, xtig. 



Stigma /Vf/. 639. Pistil of Pansy ( Fto/a 



tricolor), n. Ovary, sty. Style surmounted 

 by an irregular hooded stigma. 



4. The Receptacle, Thalamus, or Torus. 



The apex of the peduncle, or the summit of the axis, upon 

 which tlie different whorls of the flower arc an'anged, has been 

 called by botanists the receptacle, thalamus, or torus. The use 

 of these terms indifferently has often led to much confusion, 

 in consequence of two of them being also sometimes applied 

 in a different sense. Thus that of receptacle is used in a 



