Journal of Botany, British and Foreign, Volumen31Berthold Seemann Robert Hardwicke, 1898 |
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Página 17
... leaves approaching the latter . It is suggested that it is a hybrid between the two . " To the above remarks I would only add that there is no question whatever as to its connection with H. commutatum Beck . ( H. boreale ) , whilst the ...
... leaves approaching the latter . It is suggested that it is a hybrid between the two . " To the above remarks I would only add that there is no question whatever as to its connection with H. commutatum Beck . ( H. boreale ) , whilst the ...
Página 18
... leaves few , broadly - ovate , subacute , very wide towards the truncate base , and abruptly narrowed to a long petiole , almost entire . Stem leaves usually two , shortly stalked , of the same form and equally abruptly narrowed as in ...
... leaves few , broadly - ovate , subacute , very wide towards the truncate base , and abruptly narrowed to a long petiole , almost entire . Stem leaves usually two , shortly stalked , of the same form and equally abruptly narrowed as in ...
Página 24
... leaves of the plant , but in many cases also those immediately following the seed - leaves , and so extended a series of observations bearing on the subject cannot but be welcome . The forms of cotyledons are , as Klebs observes , and ...
... leaves of the plant , but in many cases also those immediately following the seed - leaves , and so extended a series of observations bearing on the subject cannot but be welcome . The forms of cotyledons are , as Klebs observes , and ...
Página 26
... leaves are reduced to scales , and it is not until the stem has reached a fair height that spreading foliage - leaves are produced . In the horse - chestnut , however , the hypocotyl grows considerably , carrying up the seeds from which ...
... leaves are reduced to scales , and it is not until the stem has reached a fair height that spreading foliage - leaves are produced . In the horse - chestnut , however , the hypocotyl grows considerably , carrying up the seeds from which ...
Página 27
... leaves . In some Cucurbitaceae and a number of Cruciferæ , the cotyledons , though entire in the seed , become subsequently emarginate ; this is apparently sometimes due to a group of water Dipsacus ferox . stomata at the apex , which ...
... leaves . In some Cucurbitaceae and a number of Cruciferæ , the cotyledons , though entire in the seed , become subsequently emarginate ; this is apparently sometimes due to a group of water Dipsacus ferox . stomata at the apex , which ...
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