coniferas parte 3
DESCRIPTION
descripcion microscopica de coniferasTRANSCRIPT
Características Microscópicas
CONIFERASParte 3
Escala 39-41 = 50µm.; 42 = 100µm.
39 a 42.- Cell walls of raytracheids, radial sections.
39.- Cell walls smooth. Pinusstrobus.
40.- Cell walls with helicalthickenings resembling fine dentations. Picea abies.
41.- Cell walls dentate, dentations prominent. Pinussylvestris.
42.- Cell walls reticulate. Pinus ponderosa.
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Escala 43,45 = 20µm.; 44 = 50µm.
43 a 45.- Pits borders of raytracheids in Picea and Larix, radial sections.
43.- Pitting with narrow apertures, pit borders angular. Picea abies.
44.- Pit borders angular withdentate thickenings. Picea abies.
45.- Pitting with wide apertures, pitborders rounded. Larix kaempferi.
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Escala 46,51 = 50µm.; 49,50 = 25µm.; 47,48 = 20 µm
46 a 51.- End walls of rayparenchyma cells, radial sections.
46.- End walls smooth. Taiwaniacryptomerioides.
47.- End walls well pitted. Larixdecidua.
48.- Nodular en walls andindentures. Larix kaempferi.
49 a 51.- Variation in appearanceof nodular end walls in
Juniperus sabina (49),
Cupressus goveniana (50),
Juniperus thurifera (51).
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Escala 52,53 = 50µm
52 y 53.- Horizontal walls of ray parenchyma cells, radial sections.
52.- Horizontal walls smooth, as are end walls. Sciadopitys verticillata.
53.- Horizontal walls distinctly pitted, and end walls nodular. Abies alba.
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Escala 54,55 = 50µm.; 56 = 20µm.
54 a 56.- Cross- field pitting, radial sections.
54.- “Window-like”, fenestriform. Pinus sylvestris.
55.- Pinoid. Pinus ponderosa.
56.- Piceoid. Picea abies.
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Escala 57-59 = 50µm.
57 a 59.- Cross-field pitting, radial sections.
57.- Cupressoid. Juniperuscommunis.
58.- Taxodioid. Taxodiumdistichum.
59.- Araucarioid. Araucaria araucana.
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