Anthotaxy. 2 1 



TABtB OF FORMS OF FLOWER-CLUSTERS. 



Inflorescence indeterminate. 

 Branching of rhachis regular. 

 Rhachis elongated. 



Pedicels elongated (a) Equal in length .... Raceme, 

 (b) iyower elongated .... Corymb. 



Pedicels ,short Spike. 



Rhachis short. 



Pedicels elongated Umbel. 



Pedicels short Head. 



Branching of rhachis irregular Panicle. 



The term panicle is used in compounds to indicate varia- 

 tions in length of rhachis or pedicels, as "corymbose 

 panicle," or "paniculate spike." 

 Inflorescence determinate. 

 Rhachis elongated. 



Pedicels elongated Cyme. 



Pedicels short Cymose spike. 



Rhachis short. 



Pedicels elongated ... Fascicle. 



Pedicels short Cymose head. 



Sometimes the inflorescence is determinate and indeterminate 

 in difi*erent parts of the same cluster. In such a case the inflores- 

 cence of the flower-cluster is spoken of as mixed. 



Determine the form of flower-cluster in accordance with the 

 above classification in : — 



Button bush (Cephalanthus occidentalis). 



Plantain (Plantago major). 



Elder (Sambucus canadensis). 



Teasel (Dipsacus sylyestris). 



Dutchman's Breeches (Dicentra cucullaria). 



Choke Cherry (Prunus Virginiana). 



Wild Red Cherry (Prunus Pennsylvanica), 



Bishop's Cap (Mitella diphylla). 



Milk weed (Asclepias cornuti). 



Corn Spurry (Spergula arvensis). 



Bouncing Bet (Saponaria officinalis). 



Read . — Gray, "'Jyessons," pp. 72-79. 



References : — Gray, "Structural Botany," pp. 141-162. 



Bessey, "Botany," pp. 427-429. 



Bastin, " College Botany," pp. 53-60. 



