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12 results for “Notothyladaceae”
PLATE 7. Notothylas orbicularis. a. Open sporophyte. b–c in Rare and peculiar hornworts: Notothylas orbicularis and N. javanica (Notothyladaceae), new genus and species records for Australia
PLATE 7. Notothylas orbicularis. a. Open sporophyte. b–c. Cells of the columella. d. Elongate, thick-walled cells of capsule epidermis (val=valve cells; ep=epidermal cells). e. Transverse section through columella. f. Internal cells of capsule below epidermal cells. g. Proximal views of two spores and two pseudoelaters with internal thickenings (ps=pseudoelater). Illustrations by D. C. Cargill.
PLATE 5. Notothylas orbicularis. a. Transverse section through the columella. b. Capsule epidermal cells illustrating the elongated thickwalled cells. c–d in Rare and peculiar hornworts: Notothylas orbicularis and N. javanica (Notothyladaceae), new genus and species records for Australia
PLATE 5. Notothylas orbicularis. a. Transverse section through the columella. b. Capsule epidermal cells illustrating the elongated thickwalled cells. c–d. SEM images of proximal and distal views of spores. e. Light microscope image of a spore. f. Pseudoelaters. Images by D. C. Cargill.
PLATE 3. Notothylas javanica. a.–e. Single plants—circles are antheridial cavities f in Rare and peculiar hornworts: Notothylas orbicularis and N. javanica (Notothyladaceae), new genus and species records for Australia
PLATE 3. Notothylas javanica. a.–e. Single plants—circles are antheridial cavities f. Dorsal epidermal cells of thallus; two cells contain a single chloroplast with an associated pyrenoid. g. Ventral surface of plant with two sporophytes (inv = involucre; caps = capsules). h. Capsule epidermal cells. i. Basal epidermal cells of capsule. j. Internal cells of capsule below the epidermis. k. Antheridium. l. Proximal view of two spores. Illustrations by D. C. Cargill.
PLATE 4. Notothylas orbicularis. a in Rare and peculiar hornworts: Notothylas orbicularis and N. javanica (Notothyladaceae), new genus and species records for Australia
PLATE 4. Notothylas orbicularis. a. Dorsal view of fertile plant. b. Ventral view of fertile plant, stained with toluidine blue. c. Apical view of capsule epidermis. d. View of the mid-section of a capsule showing the pigmented red valve cells. e. View of an open capsule showing the internal columella and the asymmetrical involucre. f. Single capsule showing the bulbous foot at the base. g. A single plant with mature antheridia (an) (arrow). h. Inset. Magnified image of single white antheridium per cavity. Images by D. C. Cargill.
PLATE 6. Notothylas orbicularis. a in Rare and peculiar hornworts: Notothylas orbicularis and N. javanica (Notothyladaceae), new genus and species records for Australia
PLATE 6. Notothylas orbicularis. a. Dorsal view of plant. b. Ventral view of same plant illustrating ventral position of capsules. c. Dorsal view of a fertile plant. Black dots are Nosotoc colonies. d. Magnified view of capsule and highly dissected involucre. e. Transverse section through thallus showing large internal hypodermal cells sandwiched between dorsal and ventral epidermis. f. Dorsal epidermal cells. g. Ventral epidermal cells. Illustrations by D. C. Cargill.
PLATE 1. Notothylas javanica. a.–b in Rare and peculiar hornworts: Notothylas orbicularis and N. javanica (Notothyladaceae), new genus and species records for Australia
PLATE 1. Notothylas javanica. a.–b. Plants in situ. c.–d. Ventral view of plants illustrating ventral position of the capsules. e. Whole plant showing ventral branched 'keels' of the thallus. f. Single antheridium. Images by D. C. Cargill.
PLATE 2. Notothylas javanica. a in Rare and peculiar hornworts: Notothylas orbicularis and N. javanica (Notothyladaceae), new genus and species records for Australia
PLATE 2. Notothylas javanica. a. Capsule epidermal cells (short and moderately thick-walled). b. Spores and disintegrated epidermal cells of the capsule. c. Spores and epidermal cells of capsule. d.–f. SEM images of spores. d. Dorsal and ventral view of two spores. e. Distal view of spore. f. Proximal view of several spores. Images by D. C. Cargill.
FIGURE 4 in A revision of the genus Notothylas (Notothyladaceae, Anthocerotophyta) in China
FIGURE 4. Epidermis of mature capsule wall in Notothylas depressispora J.Haseg. showing thick walls and narrow lumen. 1, 2. Light micrographs.1. Surface view. 2. Transverse section. 3. SEM micrograph. All from N. Kitagawa T-12394 (isotype G-154203).
FIGURE 2. Notothylas yunnanensis T.Peng & R.L.Zhu 1. Thalli with mature orange-red sporophytes. 2. Dorsal thallus epidermis, showing each cell containing a single chloroplast with central pyrenoid. 3 in A revision of the genus Notothylas (Notothyladaceae, Anthocerotophyta) in China
FIGURE 2. Notothylas yunnanensis T.Peng & R.L.Zhu 1. Thalli with mature orange-red sporophytes. 2. Dorsal thallus epidermis, showing each cell containing a single chloroplast with central pyrenoid. 3. Two Nostoc colonies within ventral side of solid thallus in transverse section. 4. Four antheridia with orange chromoplasts in irregularly arranged jacket cells. 5. Transverse section of capsule wall. 6. Dehiscing sporophyte with yellowish spores and columella. 7. Epidermis of capsule wall. 8. Three spores and a pseudoelater. 9. Capsule wall showing slightly thick-walled, sub-quadrate to sub-rectangular, irregularly arranged epidermal cells. All from T. Peng et al. 20120715-7 (holotype HSNU).
FIGURE 3 in A revision of the genus Notothylas (Notothyladaceae, Anthocerotophyta) in China
FIGURE 3. Scanning electron microscope (SEM) micrograph of Notothylas yunnanensis T.Peng & R.L.Zhu 1. Proximal spore surface with prominent trilete mark and one small hollow in center of each of three faces. 2. Distal densely vermiculate surface of spore with a slight dome-like projection. 3. Enlargement of upper proximal face in Fig. 1. 4. Distal surface of spore. 5. Enlargement of vermiculate ornamentation on proximal surface of spore. 6. Upper portion of capsule epidermis. 7. Middle to lower portion of capsule epidermis. All from T. Peng et al. 20120715-7 (holotype HSNU).
FIGURE 1 in Rare and peculiar hornworts: Notothylas orbicularis and N. javanica (Notothyladaceae), new genus and species records for Australia
FIGURE 1. Map of northern Australia showing localities of Notothylas javanica and N. orbicularis.
FIGURE 1 in A revision of the genus Notothylas (Notothyladaceae, Anthocerotophyta) in China
FIGURE 1. Location of Notothylas yunnanensis type specimens and species distribution.
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