Hesperidium 



OF BOTANICAL TERMS. Heterophyllous 



HESPERlD'IUM, a fruit like the 

 orange, being succulent within 

 and covered with an iudehis- 

 cent leathery rind. 



HET-flE'RIO, a collection of dis- 

 tinct indehiscent carpels be- 

 longing to a single flower. 

 They may be either dry upon 

 a fleshy receptacle, as in the 

 strawberry, or dry upon a dry 

 receptacle, as in Ranunculus, 

 or fleshy upon a dry receptacle, 

 as in the raspberry. Usually 

 but improperly spelled Eterio. 



HETERAUXE'SIS, any irregular 

 or unsymmetrical growth, 

 either normal or abnormal. 



HETEROCAR'POUS, bearing fruit 

 of two or more kinds or forms, 

 as in the genus Amphicarpea. 

 Compare Homocarpous. 



HETEROgEPH'ALOUS, bearing 

 heads of more than one kind. 

 For example, having flower- 

 heads some of which contain 

 only staminate flowers and 

 some only pistillate. 



HETEROCHRO'MOUS, having dif- 

 ferent members unlike in color; 

 also applied to a flower-head 

 in Composite when the florets 

 of the centre or disk differ in 

 color from those of the circum- 

 ference or ray. 



HETEROCLI'NOUS, having male 

 and female flowers in separate 

 heads or receptacles. 



HET'EROgYST, one of the inter- 

 calated cells of special charac 

 ter in the filaments of Nosto- 

 chinese; limiting-cell. They 

 are usually large, rounded, 

 brownish, and glassy in ap- 

 pearance. 



HETER6D'R0M0tfS, turning or 

 coiling in opposite directions, 

 as a tendril which coils first 

 one way and then the other, or 

 a plant on which the leaf-spiral 

 of a branch runs in the oppo- 



site direction from that of the 

 main axis. Compare Homo- 

 dromous and Antidromous. 



HETERCE'CIOUS, parasitic on dif- 

 ferent plants at different stages 

 of growth; metoecious; metox- 

 enous; heteroxenous. 



HETER(ECi§'MAL, see Heterce- 



cious. 

 HET'ERCECYST, see Hetero- 



cyst. 



HETEROG'AMOUS, said of the 

 heads of flowers in Composite 

 when the florets are not all 

 alike in sex. 



HETEROGE'NEOUS, not of uni- 

 form substance or character. 



HETEROGEN'ESfS, see Sponta- 

 neous Generation. 



HETERdG'ONOtTS, having two or 

 more kinds of flowers differing 

 in the relative lengths of the 

 stamens and styles; hetero- 

 styled. See Dimorphous and 

 Trimorphous. 



HilTERdM'ALOtJS, spreading in 

 all directions. Compare Ho- 



MOMALOUS. 



HETERdM'EROtfS, having a dif- 

 ferent number of parts in the 

 different whorls of a flower. 

 Compare Isomerous. Applied 

 also to a lichen thallus when a 

 layer of the algal cells divides 

 it into an outer cortical and an 

 inner medullary portion. Com- 

 pare Homoiomerous. 



HETEROMdR'PHOtJS, of two or 

 more forms, as the flowers of 

 Buchloe dactyloides. 



HETEROPHYL'LOtJS, having two 

 or more distinct sorts of foliage- 

 leaves on the same plant, as in 

 junipers; also applied to species 

 whose leaves differ widely from 

 those of related species. The 

 term is not usually applied to 

 plants in which the leaves mere- 

 ly assume different forms at 



85 



