COROLLIFLOR^. 



673 



Stamens 5, epipetaloiis ; filaments monadelphous ; anthers par- 

 tially united. Oi'ary inferior, 1-celled, wdth a solitary pendulous 

 ovule. Fruit indehiscent. Seed solitary, pendulous, witli fleshy 

 albumen, and a superior radicle. 



Diagnosis. — They hold an intermediate position between 

 Dipsaeaceae and Compositse, being distinguished from the former 

 by their alternate leaves, absence of involucel to their individual 

 florets, valvate aestivation of corolla, monadelphous filaments, 

 and partially united anthers : and from the Compositse in their 

 anthers being only partially united, and in their pendulous 

 albuminous seed and superior radicle. 



Distribution, ^'c. — Exclusively natives of South America, 

 especially the cooler parts. Examples of the Genera : — Calycera, 

 Leucocarpus. There are about 20 species. 



Properties and Uses. — Unknown. 



Natural Order 129. Co>rposiTJE or Asterace^. — The Com- 

 posite Order {figs. 954-958). — Character. — Herbs or shrubs. 

 Leaves alternate or opposite, exstipulate. Floicers (florets) 



Fig. 954. 



Fig. 955. Fig. 956. Fig. 957. 



Fig. 954. Labiate floret of Chaetanthera linearis, o. Ovary with adherent 

 calyx, t. Tube of Che corolla, i s. Upper lip of corolla. H. Lower lip. 

 e. Tube formed by the adherent anthers, s. Stigmas. Fig. 955. Ver- 

 tical section of the floret of Aster rubricanlU. o. Erect ovule, enclosed 

 in the inferior ovary, a. Pappose limb of the calyx, p. Corolla, s. Style. 



e. Tube of the anthers. Fig. 9.56. Floret of the Chicory (Cichorium 



Iritybiis). o. Ovary with adherent calyx, e. Tube formed by the ad- 

 herent anthers, s. Stigmas Fig. 957. Vertical section of the ripe 



fruit of a Groundsel (Senecio), surmounted by a portion of the style, s ; 

 and the pappose limb of the calyx, p. Pericarp, t. Testa, e. Seed. The 

 above figures are from Jussieu. 



