1 6 INTRODUCTION 



g. Campanula type. 



Campanula Medium, Trachelium, persicifolia, and others ; Narcissus Pseudo- 

 narcissus, Colchicum autumnale, Crocus vemus, Gentiana acaulis. 



10. Digitalis type. 



(a) Sternotribous form. (The pollen is carried by the visiting bees on their 

 ventral surface.) Cobaea scandens, Lisianthus acutangulus. 



(iJ) Nototribous form. (The pollen is carried by the visiting bees on their 

 dorsal surface.) Digitalis purpurea, Acanthus mollis and spinosus. Gladiolus segetum, 

 Iris germanica and florentina ; Serapias cordigera, longipetala, and others. 



Class IV. Pendulous arrangements. (Apparecchi pendoloni.) The 

 visitors partly or entirely enter the pendulous flowera 



11. Fuchsia type. 



Fuchsia coccinea and others, Rigidella flammea, Ribes speciosum. 



12. AbutUon type. 



Abutilon striatum and others, Thibaudia bracteata, Clivia nobilis, Nicotiana 

 Langsdorfii; Lachenalia pendula, tricolor, and others. 



Class V. Small-mouthed flowers. (Apparecchi microstomi.) Owing 

 to the narrowness of the corolla, visitors can only introduce their sucking organs : 

 frequently omithophilous. 



13. Microstomous type. 



Tropaeolum tricolorum and others, Siphocampylus microstoma; Erica cerin- 

 thoides, ampullacea, ventricosa, retorta, and others. 



Class VI. Labiate arrangements. (Apparecchi labiati.) Bilaterally 

 symmetrical flowers with nectaries on the under side, while anthers and stigmas are 

 on the upper side. Visitors (bees, birds) touch the anthers and stigmas with their 

 backs. 



14. Labiate type. 



(a) Galeate form: Galeopsis, Lamium, Justicia ventricosa, Ravenia spectabilis, 

 Epipactis latifolia, Cephalanthera, Spiranthes, Conospermum taxifolium, Orobanche, 

 Tozzia alpina, Erythrina Cristagalli. 



(3) Ringent form : Aphelandra cristata and aurantiaca, Lallemantia canescens, 

 Pedicularis, Rhinanthus major ; Salvia officinalis, pratensis, glutinosa, Sclarea, and 

 others ; Curcuma cordata and others. 



(<r) Personate form: Antirrhinum, Linaria, Utricularia vulgaris, Rhynchoglossum 

 zeylanicum. Calceolaria. 



(i) Labiate form : Orchis, Listera ovata, Alpinia nutans ; Balsamina impatiens, 

 hortensis, and others ; Pinguicula. 



(e) Unilabiate form : Teucrium, Ajuga, Lobelia. 



15. Aeschinanthus type. 



Aeschinanthus grandiflorus, pulcher, Lobbianus, and others ; Gesneria bulbosa, 

 Tecoma capensis, Bignonia venusta, Epiphyllum truncatum, Ruellia macrophylla, 

 Canna, and others. 



