An Introduction to Botany |
From inside the book
Results 1-5 of 99
Page 5
... produced by the ad- hesion and separation at regular intervals of a thread developed spirally within a membranous sac ( Trans . Soc . Arts , xlix . ) . A nearly similar opinion was previously offered by Mohl , who considers the dots on ...
... produced by the ad- hesion and separation at regular intervals of a thread developed spirally within a membranous sac ( Trans . Soc . Arts , xlix . ) . A nearly similar opinion was previously offered by Mohl , who considers the dots on ...
Page 11
... produces the flickering lustre that is perceived . The cause of colour in plants will be spoken of hereafter in the ... produce new vesicles from their sides externally ; and Turpin asserts that they also con- tain molecules , which are ...
... produces the flickering lustre that is perceived . The cause of colour in plants will be spoken of hereafter in the ... produce new vesicles from their sides externally ; and Turpin asserts that they also con- tain molecules , which are ...
Page 22
... produce the appearance of bands when they come in contact ( fig . 6. b . ) : hence they have been looked upon as a modi- fication of the spiral vessel . 2. Continuous Bothrenchyma . - This ( fig . 6. a a a ) forms the Vasa spiroidea ...
... produce the appearance of bands when they come in contact ( fig . 6. b . ) : hence they have been looked upon as a modi- fication of the spiral vessel . 2. Continuous Bothrenchyma . - This ( fig . 6. a a a ) forms the Vasa spiroidea ...
Page 30
... produced all follow the direction of the spire . The termination of spiral vessels is , beyond all doubt , conical . This was stated by Nees von Essenbeck , in his Handbuch der Botanik , published in 1820 ; and in 1824 Dutrochet ...
... produced all follow the direction of the spire . The termination of spiral vessels is , beyond all doubt , conical . This was stated by Nees von Essenbeck , in his Handbuch der Botanik , published in 1820 ; and in 1824 Dutrochet ...
Page 38
... producing it . Cavities of this nature are often called vasa propria . To this class also are to be referred the turpentine vessels of Grew ; the ré- servoirs accidentels of De Candolle ; and also the réservoirs en cæcum of the latter ...
... producing it . Cavities of this nature are often called vasa propria . To this class also are to be referred the turpentine vessels of Grew ; the ré- servoirs accidentels of De Candolle ; and also the réservoirs en cæcum of the latter ...
Contents
1 | |
19 | |
27 | |
110 | |
121 | |
146 | |
277 | |
289 | |
455 | |
461 | |
466 | |
467 | |
473 | |
478 | |
481 | |
506 | |
302 | |
309 | |
330 | |
345 | |
389 | |
429 | |
448 | |
525 | |
534 | |
544 | |
552 | |
571 | |
587 | |
Other editions - View all
Common terms and phrases
Adolphe Brongniart albumen anther apex appears axis bark base become body botanists Botany bracts branches buds bundles called calyx Cand Candolle carbonic acid carpels cause cavity cells cellular tissue centre chalaza character colour common considered consists containing corolla cotyledons cyclosis developement dicotyledons direction disk distinct Dutrochet elongated embryo epidermis exist external extremity fibres filament fleshy flowers fluid foramen fruit glands grains green growing hairs hilum inches integument kind latex layers leaf leaflets leaves light Linnæus lobes margin matter medullary rays membrane Mirbel monocotyledons nature nitrogen nucleus observed organs ovarium ovary ovule oxygen parenchyma pericarp petals petiole pistil pith placenta plants Plate plumula pollen pollen tube produced quantity radicle Raphides remarked roots round seeds separate side sometimes species specimens spiral vessels stamens stem stigma stomates structure substance surface term terminating tion tree tubes vascular vegetable veins wood woody tissue yellow
Popular passages
Page 593 - Dr. Ure's Dictionary of Arts, Manufactures, and Mines : Containing a clear Exposition of their Principles and Practice.