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.

81 69

82 83

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.

84

84

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).

8586

86

89

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.

87

85

88

86

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.

90

91

92

Escala 57-59 = 50µm.

57 a 59.- Cross-field pitting, radial sections.

57.- Cupressoid. Juniperuscommunis.

58.- Taxodioid. Taxodiumdistichum.

59.- Araucarioid. Araucaria araucana.

93

94

95