. Class-book of botany [microform] : being outlines of the structures, physiology, and classification of plants : with a flora of the United States and Canada. Botany; Botany; Plants; Plants; Botanique; Botanique; Plantes; Botanique. 470 Obdeb 70.—composite 102. CYNTHIA, Don. (One of the names of Diana; fancifully ap- plied to this genus.) Involucre nearly simple, of equal, narrow scales; receptacle flat, alveolate; pappus double, the outer minute, scaly, inner copious, capillary; achenia short.— 21 Lvs. alternate or all radical. Hds. with 15 to -0 yellow flowers. 1 C. Virginica Don. St. few-l
. Class-book of botany [microform] : being outlines of the structures, physiology, and classification of plants : with a flora of the United States and Canada. Botany; Botany; Plants; Plants; Botanique; Botanique; Plantes; Botanique. 470 Obdeb 70.—composite 102. CYNTHIA, Don. (One of the names of Diana; fancifully ap- plied to this genus.) Involucre nearly simple, of equal, narrow scales; receptacle flat, alveolate; pappus double, the outer minute, scaly, inner copious, capillary; achenia short.— 21 Lvs. alternate or all radical. Hds. with 15 to -0 yellow flowers. 1 C. Virginica Don. St. few-leaved, branched above; lvs. oval and lance-oval, entire or remotely toothed, rarely sinuate-pinnatifid, the radical on winged petio- les, cauliue amplexicaul, entire.—In barrens and dry soils, Western N. Y. to 111. smooth and glaucous. St. 1 to 21" higii, often diehotoiuoualy divided, with 1 to 2 clasping leaves at the forks. Radical lvs. 3 to 5' long. lids, terminal on tlio bracteato and subuuibellate peduncles, witli deep yellow flowers. Scales united at nase in a somewhat double series. May—Jl. (Krigia, Nutt.) 2 C. Dandelion DC. Acuulescent; scapes leafless, simple, l-flowered; Iva. elon- gated, iance-liuear, entire or remotely toothed, rarely pinnatifid, the primary Iva. oblong-spatulate.—Low grounds, Md. to Ga. and Tex. Scapes G to 18' high, sev- eral from the same root. Lvs. some of them nearly as iong as the scapes, more geuei'ally entire; when pinnatifid, the lobes are 2 or 3 on each aide, triangular. A variety in the mountainous districts produces at length a short, decumbent stem. (Hyosiris niontana Mx. C. lyrata Nutt.) 103. LEONTODON, L. Autumnal Hawkbit. (Gr. At'wv, a lion, 66ovg, a tooth ; in reference to the toothed leaves.) Involucre imbri- cate, the outer scales very short; receptacle naked ; pappus plumous, persistent on the somewhat rostrate achenia.—Acaulescent herbs with yellow fls., many in a head, (.\parcfia, Willd.) Ii. autunm&lis L.
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Keywords: ., bookcentury1800, bookdecade, booksubjectbotany, booksubjectplants
