216 



OPENING OF THE PASSAGE TO THE INTERIOR OF THE FLOWER. 



8 A.M. 



Anagallis arvensis... 



Dianth lis prolifer 



Hieraciiun Auricula . 



.open. 



8-10 A.M. 



Taraxacum officinale shut. 



9 A.M. 



Calendula arvensis opeu. 



Hieracium chondrilloides... „ 



9-10 A.M. 



Arenaria rubra „ 



Mesem hryanthemum crystal- 



linum „ 



Tragopogoa pratense shut. 



10 A.M. 



Cic/torium Inii/bus „ 



Lactuca sativa „ 



Rhagadiolus edulis „ 



Sonchus arvensis „ 



10-11 A.M. 

 Mesemh-yanthemum nodi- 

 Jlorum open. 



11 A.M. 



Crepis alpina shut. 



11-12 A.M. 



Sonchjis oleraceus shut. 



Noon. 



Calendula arvensis „ 



Sonchus Lapponicus „ 



1 P.M. 



Dianthus prolifer „ 



Hieracium chondrilloides... „ 



1-2 P.M. 



Crepis rubra „ 



2 P.M. 



Hieracium Auricula „ 



Hieracium viurorum „ 



Mesembryantlicmumbarbatum,, 



2-3 P.M. 

 Arenaria rubra „ 



2-4 P.M. 

 Mesembryanthemum crystal- 

 linum „ 



3 P.M. 



Leontodon hastile „ 



Mesembryanthemum lingui- 



forme , 



Mesembryanthemum nodijlo- 

 rum 



3-4 P.M. 



Anthericum ramosum shut. 



Calendula pluvialis „ 



Hieracium Pilosella „ 



4 P.M. 

 Alyssum utriculatuni 



4-5 P.M. 

 Hyporhceris maculata „ 



5 P.M. 



Hieracium umbellatuin ,, 



Nyctago hortensis o] leu. 



Nymphcea alba sli iit. 



Geranium triste. 



.ojieu. 



Papaver nudica ule sli ut 



7-S P.M. 

 Hemerocallis f'ulva 



9-10 P.M. 



Cactus grandijlorus opeu. 



Silene noctiflora „ 



Midnight. 

 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. 



Isopyrumthalictroides{A\m\)o]fn 



LactXLca sativa (Aug.) „ 



Lactuca Scariola (Sept.).... „ 

 Mamillariaglochidiata{A.\ig.)„ 



Xymphcea alba (Aug.) „ 



Ornithogalum Narbonense 



(July) , 



Oxalis lasiandra (Aug.) „ 



Veronica Persica (June).... „ 



4-5 A.M. 



Rosa arvensis (June) open. 



5-6 A.M. 



Rosa rubiginosa (June) „ 



Solanum nigrum (July) „ 



6-7 A.M. 



Anoda hastata (July) „ 



dehor ium Intybus (July)... ,, 



Crepis pulchra (July) „ 



Dianthus negleciics (July)... „ 



Gallasia villosa {Jn\y) „ 



Hieracium amplexicaule 



(July) „ 



Hieracium aurantiacum 



(July) „ 



Lactuca perennis (August).. „ 



Lampsana communis (July) „ 



Linum grandiflorum (July) „ 



Linum viscosum (July) „ 



Midgedium IHumieri (July) „ 



Ranunculus acer (July) „ 



Solanum tuberosum (July).. „ 



Sonchus oleraceus (June) ... „ 



Taraxwum officinale {3 nn&) „ 



Tragopogonjloccosus (July) „ 



Tragopogonorientalis{Ju\y) „ 



7-8 A.M. 



CampanulaTracheliu7n(J\i[y)oi)'n 



Carlina acaidis (August)... „ 



Carlina vulgaris (August).. „ 



Crepis rubra (August) „ 



Gentiana acaulis (May) „ 



Geranium lucidum (July)... „ 



Gilea tricolor (July) „ 



Hedypnois tubiformis (July) „ 



Hieracium Pilosella (July).. „ 

 IJypecoumgiandi/lorum(Ju\y)„ 



Hypochoeris maculata (June) „ 



Lactuca muralis (July) „ 



Oxalis Valdiviana (July)... „ 



Sonchus arvensis (August).. „ 



Specularia Speculum (July) „ 



2'olpisbarbata (August).... „ 



8-9 A.M. 



Adonis vernalis (AyvW) „ 



Brassica oleracea (Sept.).... „ 



Dlplotaxis tenuifolia (Sept.) „ 



Gentiana asclepiadea (Aug.) „ 



Gentiana cruciata (July)... „ 



Gentiana utriculosa (June). „ 



Geranium columbinum( Aug.) „ 



Helianthemumalpestre (June) „ 



9-10 A.M. 



Anagallis arvensis (July)... „ 

 Anemone Hepatica (April).. „ 

 A7iemone nemorosa (April).. „ 

 Calendula officinalis (Sept.) „ 

 Colchicum autumnale (Se\)t.) „ 



Crepis pidchra (July) shut. 



Crocus aureus (March) open. 



Draba verna (March) „ 



Eranthis hiemalis (March).. „ 

 Eschscholtzia Californica 



(June) „ 



Gallasia villosa (July) shut. 



Oxalis Acetosella (April).... open. 



Tulipa sylvestris (May) „ 



Tussilago Farfara(A\)ri\).. „ 

 Veronica Cluimcedrys (Ma y) „ 



