A class-book of botany, designed for colleges, academies, and other seminaries Illustrated by a flora of the northern, middle, and western states; particularly of the United States north of the (14764078671)

Identifier: classbookbotany00wood (find matches)
Title: A class-book of botany, designed for colleges, academies, and other seminaries ... Illustrated by a flora of the northern, middle, and western states; particularly of the United States north of the Capitol, lat. 38 3/4
Year: 1848 (1840s)
Authors: Wood, Alphonso, 1810-1881
Subjects: Botany Plants -- United States Plants -- Canada
Publisher: Boston, Crocker & Brewster
Contributing Library: The LuEsther T Mertz Library, the New York Botanical Garden
Digitizing Sponsor: The LuEsther T Mertz Library, the New York Botanical Garden



Text Appearing Before Image:
k), Cicuta virosa, yEthusa Lynapium(fools parsley), besides many others which have, at least, a suspicious character. But the truit is neverpoisonous, and is usually stimulant and aromatic, as caraway, anise, dill, coriander, &c. Even the rootaand herbage of other species are wholesome and nutritive, as the carrot, parsnep, sweet cisely, celeryand Archangelica. The gum-resin, assafostida, exudes from incisions in the Ferula of Persia; the ffvmira/fta««m is the product of Galbanum officinale, an Indian species. . , , ^,_ ^ , . , . ,The genera of the ITmbellifera- are numerous, and not easily distinguished. . The characters by whichDe Candolle has more successfully than any other author divided this order into tribes and genera, arechieflv founded upon the number and development of the ribs, the presence or absence ot the vittcB, andthe form of the albumen, particularly at the commissure. These parts, theretore, minute as they are, willrequire the special attention of the student.
Text Appearing After Image:
PIG 46-1. Zizia aurea, with its compound, naked umbel, &c. 2. A flower enlarged. 3. The fruitwith its filiform ribs and two persistent styles. 4. Cross section, showing the two cari)els with the vittffland flat commissure. 5. Umbel of Osmorhiza longistylis in fruit. 6. A flower enlarged. 7. The fruitwith the merocarps separatiiis from the base and supported by the bifid carpophore. 8. Surmit of thefruitof O. brevisfylis. 9. Fruit of Conium macidatum, with the undulatecrenulate ribs. 10. Cross sec-tion, showing the grooved commissure and involute albumen. 11. Radiant flower of Coriandrum12. Vertical section of the globose fruit, showing the minute embrjo. of entire bracts. I Fr. scarcely compressed, ^ with bristly ribs. . Osinorhiza. 27 •284 LXVII. UMBELLIFER^. Htdrocottle. Cafispectus of the Genera.* Plants native or naturalized. ^ Seeds flattish inside. Sitmi. 8 C Fr. laterally compressed. (Seeds grooved inside. Conium. 28 ^ Petals radiant. . Heracleum. 23 ( Fr. dorsally compre