. Class-book of botany: being outlines of the structure, physiology and classification of plants; with a flora of the United States and Canada. Botany; Plants; Plants. 550 a and discharcinir it* 545 517 5 It) 549 Seaweeds (Algas). 515, Vaucheria formin spores («) at tho extremities. 546, Fucus; «, air-vessel; b. fruit, a mass of concptacles. 547, Transverse section of a conceptaclo. 548, A spore with paraphascs. 549, Hydrogastrum, consisting of a single cell. 550, Spirogyrae (Frogspittle) one of the Confervas; a, two threads (tballi) conjugated, i. e., united by tubes. such sporiferous tissues
. Class-book of botany: being outlines of the structure, physiology and classification of plants; with a flora of the United States and Canada. Botany; Plants; Plants. 550 a and discharcinir it* 545 517 5 It) 549 Seaweeds (Algas). 515, Vaucheria formin spores («) at tho extremities. 546, Fucus; «, air-vessel; b. fruit, a mass of concptacles. 547, Transverse section of a conceptaclo. 548, A spore with paraphascs. 549, Hydrogastrum, consisting of a single cell. 550, Spirogyrae (Frogspittle) one of the Confervas; a, two threads (tballi) conjugated, i. e., united by tubes. such sporiferous tissues existing in spots of definite form, constitute the apothecia when flat, receptacles when concave, and conceptaclcs when hol- low. 632. The tiiecje 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 tho Exospores. In tho latter case the pa- rent-c^lls are called basidia, and many such united, as iu the lichens and mushrooms, form a tissue called hyme- nium. In lichens. 551, Frustules of a Diatomaceous Alga (Diatoma marinuin) separating from each 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, booksubjectbotany, booksubjectplants, bookyear18
