. Class-book of botany : being outlines of the structure, physiology and classification of plants : with a flora of the United States and Canada. Botany; Botany; Botany. 128 THE CRTPTOGAMIA OR FLOWERLESS Beawoeda Vaucheria forming and discharg (.«) at the extremities. 546, Fucns; a, air-vessel- b, fruit, a mass of conceptacle?. 5(7, Transverse section of a conceptacle. 5!-, A spore with paraphases. 549, Hydrosastrum, consisting of a single cell. 550, Spirogyrae (Frogspittle) one of the Conferva; a, two threads (thalli) conjugated, i. e„ united by-tubes. such sporifcrous tissues existi
. Class-book of botany : being outlines of the structure, physiology and classification of plants : with a flora of the United States and Canada. Botany; Botany; Botany. 128 THE CRTPTOGAMIA OR FLOWERLESS Beawoeda Vaucheria forming and discharg (.«) at the extremities. 546, Fucns; a, air-vessel- b, fruit, a mass of conceptacle?. 5(7, Transverse section of a conceptacle. 5!-, A spore with paraphases. 549, Hydrosastrum, consisting of a single cell. 550, Spirogyrae (Frogspittle) one of the Conferva; a, two threads (thalli) conjugated, i. e„ united by-tubes. such sporifcrous tissues existing in spots of definite form, constitute the apothecia -when flat, receptacles when concave, and conceptachs when hoi-. low. 632. The or sporangia of ferns and mosses consist of tissues rather than of single cells, and contain division of the Cryp- togams into the En- pores and the Exospores. In the latter case the pa- rent-cells are called baaidia, and many such united, as in the lichens and mushrooms, form :i tissue called hyme- nium. In lichei s. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Wood, Alphonso, 1810-1881. New York : A. S. Barnes & Burr
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Keywords: ., bookcentury1800, bookdecade1860, booksubjectbotany, bookyear1861
