70 STATISTICAL METHODS. 



MacLeod, '99, Weldon, '01; number of petals of Caltha 

 palustris, de Vries, '94; number of calyx parts and petals 

 of Trollius europseus and number of fruits per head of Ranun- 

 culus acris, Ludwig, '9S b , '00 b ; number of seeds per capsule- 

 compartment of Helleborus foetidus, Ludwig, '97. 



Crucifercc. Number of flowers, Cardamine pratensis, em- 

 pirical modes at 2, 5, 8, 11, 13, 16, 19, 22, not in Fibonacci 

 series, Vogler, '03. 



Papaveracece. Number of floral organs in Papaver, Mac- 

 Leod, '00; number of sepals and petals in the lesser Celan- 

 dine, various species, Pearson and others, '03. 



Caryophyllacece. Number of stamens in Stellaria media, 

 varies with season and position on plant, Burkill, '95; num- 

 ber of anthers in 44,542 flowers of Stellaria media a com- 

 plex polygon due to effect of age and environment, Reinohl, 

 '03. 



Sapidacece. Number of compartments in fruit of Acer 

 pseudoplatanus, de Vries, '94. 



Leguminosce. Number of blossoms in clover plants, Type I: 

 (7=2.788, de Vries, '94, Pearson, '95, p. 402; number of ele- 

 vated flowers in blossoms of Trifolium repens perumbellatum, 

 de Vries, '94; floral organs of Lotus uliginosus, L. cornicu- 

 latus, Medicago saliva, M. falcata, Ludwig, '97; flowers per 

 head of Lathyrus, Ludwig, '00 b . 



Rosacew. Number of stamens of Prunus spino^ a and Cra- 

 taBgus, Ludwig, '01; sepals of 1000 Potentilla lormentilla 

 and petals of 4097 Potentilla anserina, de Vriep, '94. 



Cornacece. Number of flowers in head of Cornus mas and 

 C. sanguinea, not in Fibonacci series, Vogler, '03. 



Capri foliacece. Number of petals of 1167 Weigelea ama- 

 bilis, de Vries, '94: number of flowers in inflorescence and 

 number of petals on flower of Adoxa moschatellina, White- 

 head, '02. 



DipsaccB. Number of flowers per head in Knautia arven- 

 sis, maximum at 64, Vogler, '03. 



Composite. Number of male and female flowers in umbel 

 of Homogyne, Ludwig, '01. 



Primulacece. Number of flowers per umbel, Primula, 

 multimodal, Ludwig, '97, '98 b , '00; rays in Primula farinosa, 

 Vogler, '01. 



