C6 PRACTICAL BOTANY, 



Gamopetalous, or Polypetalous (see § 38); paeted, 

 CLEFT, or TOOTHED, from the deeper or sliillower division 

 of its limb ; kegular, with its lobes similar ; irregular, 

 with its lobes dissimilar, sometimes two-lipped, as in most 

 Labiates; spurred, as in Delphinmm \ bisaccate in 

 Cheiranthus annuus (a garden-plant). 



119, The regular calyx receives different names 

 from the diversities of its shape. It is called wheel-shaped 

 or rotate^ as in Potentilla (PI. Y., 4) ; hell-shaped^ or cam- 

 vanulate, as in Hibiscus ; top-shaped, as in Agrimonia ; 

 urn-shaped, or xirceolate (in the Kose, PI. Y., 5), funnel- 

 shaped (in Hyoscyamus), titbidar{\n the VmV), pyrismatic 

 {m Datura Stramonium, PI. X., 19), inflated (^\n Sllene in- 

 flata), etc. 



ISO. From its place of insertion the calyx is said to 

 be inferior, or hypogynous, when inserted on the receptacle 

 below the ovary (the ovary is then superior) j half- 

 superior, or perigynous, when adnate, by its tube, to the 

 lower half of the ovary (and then tlie ovary is said to 

 be half inferior, or half-superior, as in Ceanothus, Mi- 

 t ella, Lophiola, and Aletris) ; superior, or epigynous, when 

 its lobes or teeth spring from a level coinciding with the 

 top of the ovary, its tube being adnate to the whole cir- 

 cumference of the ovary, as in the Pear, the Apple, the 

 Blueberry, etc., or only constricted above it, as in Khexia 

 (the ovary is then said to be inferior). 



(A calyx superior is also that of the Composites— its 

 limb, if not wanting, represented by a crown, scales, or 

 bristles.) 



121. The Corolla, sometimes early deciduous, is, as 

 we have seen in § 40, either gamopetalous, or polypetalous. 



