216 



OPENING OF THE PASSAGE TO THE INTERIOR OF THE FLOWER. 



8 A.M. 



Anagallis arvensis open. 



Dianthus prolifer „ 



Hieracium Auricula „ 



8-10 A.M. 

 Taraxacum officinale shut. 



9 A.M. 



Calendula arvensis open. 



Hieracium ohondrilloides ... „ 



9-10 A.M. 



Arenaria rubra „ 



Mesemhryanthemum crystal- 



Tragopogon pratense shut. 



10 A.M. 



Cichorium Intyhus „ 



Lactuca sativa „ 



Rhagadiolus edulis „ 



Sonchus arvensis „ 



10-11 A.M. 

 Mesemhryanthemum nodi- 

 florum open. 



11 A.M. 

 Crepis alpina shut. 



11-12 A.M. 

 Sonchus oleraceus shut. 



Noon. 



Calendula arvensis „ 



Sonchus Lapponious „ 



1 P.M. 



Dianthus prolifer „ 



Hieracium cho-ndrilloides... „ 



1-2 P.M. 

 Crepis rubra „ 



2 P.M. 



Hieraoium Auricula „ 



Hieracium murorum „ 



Mesembryanthemum barbatum,, 



2-3 P.M. 

 Arenaria rubra „ 



2-4 P.M. 

 Mesembryanthemum crystal- 

 linum „ 



3 P.M. 



Leontodon hastile „ 



Mesemhryanthemum lingui- 



forme , 



Mesemhryanthemum nodiflo- 

 rum , 



3-4 P.M. 



Anthericum ramosum shut. 



Calendula pluvialis „ 



Hieraoium Pilosella „ 



4 P.M. 



Alyssum utriculatum „ 



4-5 P.M. 

 Hypochoeris maculata „ 



5 P.M. 



Hieraciu/m umbellattim „ 



Nyctago hortensis open. 



Nymphma alba shut. 



6 P.M. 



Geranium triste open. 



7 P.M. 



Papaver nudicaule shut. 



7-8 P.M. 

 Hemeroeallis fulva „ 



9-10 P.M. 



Cactus grandiflorus open. 



Silene noctiflora , 



MiDNIOHT. 



Cactus grandijlorus shut. 



To the above clock, adapted to the latitude of Upsala, I append a second, based 

 on long-continued observations at Innsbruck (47° north lat.), 13° south of Upsala. 



Isopyrv/m thalictroides ( April)op'n 



LactViCa sativa (Aug.) „ 



Lactuca Scariola (^ept.).... „ 

 Mamillariaglochidiata{Aag) „ 



Nymphaea alba {AxLg.) „ 



Ornithogalum Narhonense 



(July) , 



Oxalis lasiandra (Aug.) , 



Veronica Persica {June).... „ 



4-5 A.M. 



Rosa arvensis (June) open. 



5-6 A.M. 



Rosa rabiginosa {Smie) „ 



Solanum nigrum {3vi\.y) „ 



6-7 A.M. 



Anoda hastata (July) 



Cichorium Intyhus (July)... 



Crepis pulchra (July) 



Dianthus neglecius (July)... 



Gallasia villosa (July) 



Hieracium amplexicaule 



(July) 



Hieracium awrantiacum 



(July) 



Lactuca perennis (August).. 

 Lampsana communis (July) 

 Linum grandiflorum (July) 



Imum viscosum (July) 



Mulgedium Plumieri (July) 



Ranunculus acer (July) 



Solanum tuberosum (July).. 

 Sonchus oleraceus (June) ... 

 Taraxacum officinale (June) 

 Tragopogonjloccosus (July) 

 Tragopogon orientalis ( July) 



7-8 A.M. 

 Campanula 7VacAeKttm(July)op'n 



Carlina acaulis {Avigaaii)... „ 



Carlina vulgaris (August).. „ 



Crepis rubra (August) „ 



Oentiana acaulis (May) „ 



Geranium lucidum (July). . . „ 



GUea tricolor (July) „ 



Hedypnois tubiformis (July) „ 



Hieracium Pilosella (July).. „ 

 HypecoumgrandiJl(yru/m{3xi\y)„ 



Hypochceris maculata (June) „ 



Lactuca muralis (July) „ 



Oxalis Valdiviana (July)... „ 



Sonchus arvensis (August).. „ 



Specularia Speculum (July) „ 



Tolpis harhata (August) .... „ 



8-9 A.M. 



Adonis vernalis (April) „ 



Brassica oleraoea (Sept.).... ,, 



Diplotaxis tenuifolia (Sept.) „ 



Gentianaci,sclepiadea{Aag.) „ 



Gentiana cruciata (July) ... „ 



Gentiana utriculosa (June). „ 

 Geranium columbinum (Aug.) „ 

 Helianthemumalpestre{Ju.iie) „ 



9-10 A.M. 

 Anagallis arvensis (July)... „ 

 Anemone Hepatica (April).. „ 

 Anemone nemorosa (April).. „ 

 Calendula officinalis (Sept.) „ 

 Colchicumautumnale(Sept.) „ • 



Crepis pulchra (July) shut. 



Crocus aureus (March) open. 



Draba verna (March) „ 



Eranthis hiemalis (March).. „ 

 Esclischoltzia Califomica 



(June) .. 



Gallasia villosa (July) shut. 



Oxalis Acetosella (April).... open. 



Tulipa sylvestris QKa,y) „ 



Tu^silagoFarfara (April).. „ 

 Veronica Chamcedrys (May) „ 



