The treasury of botany: a popular dictionary of the vegetable kingdom; with which is incorporated a glossary of botanical terms . and are nearly related to thatgenus, differing only in having wingedj achenes, the wings toothed, those of An-themis not being winged. They have al-ternate pinnatisect leaves with linear seg-ments, yellow flower-heads with an invo-lucre of one series of roundish scales,whichenclose a large number of tubular five-toothed florets. [A. A. B.] CYRTOMIUM. A genus of polypodia- ceous ferns, belonging to that series of the Aspidiece which have reticulated veins and peltate
The treasury of botany: a popular dictionary of the vegetable kingdom; with which is incorporated a glossary of botanical terms . and are nearly related to thatgenus, differing only in having wingedj achenes, the wings toothed, those of An-themis not being winged. They have al-ternate pinnatisect leaves with linear seg-ments, yellow flower-heads with an invo-lucre of one series of roundish scales,whichenclose a large number of tubular five-toothed florets. [A. A. B.] CYRTOMIUM. A genus of polypodia- ceous ferns, belonging to that series of the Aspidiece which have reticulated veins and peltate indusia. The characteristics 1 of Cyrtomium, as shown in the more typical j plants, consist in the veins being pin- nato-furcate from a central costa, the lower anterior venules being free, and the rest ! angularly and irregularly anastomosing, 1 forming unequal subhexagonal areoles, CYRT Efje Cwarftttg at 33atang. 376 within which two or three excurrent veinlets are produced. Sometimes only the up-per venules are anastomosed. The speciesare robust evergreen pinnate ferns, of veryornamental character, the pinnse being of a. Cyrtomium caryotideum. deep shining green, broad, and of a singu-lar rhomb-lanceolate form, sometimes ap-proaching to hastate. The species are few,the typical ones natives of India, China, andJapan, one or two, somewhat anomalous,occurring in South America. [T. M.] CYRTONEMA. Herbaceous plants of thegourd family, Cucurbitacece, with tuberousrhizomes, simple tendrils, and monoeciousgreenish flowers, the males in clusters, thefemales solitary. The stamens are five, inthree bundles, with straight anther-lobes,and curved filaments thickened at the fruit is a spindle-shaped beaked gourdwith three compartments and few plants are natives of the Cape of GoodHope. [] CYRTOPERA. A genus of tuberoustropical orchids with a tall radical inflores-cence and membranous plaited leaves,sometimes not appearing along with theflowers. Some are American,
Size: 1923px × 1300px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1860, bookpublisher, booksubjectbotany
