. An illustrated flora of the northern United States, Canada and the British possessions : from Newfoundland to the parallel of the southern boundary of Virginia and from the Atlantic Ocean westward to the 102nd meridian . 4. TORILIS Adans. Fam. PI. 2: 99, 612. 1763. Annual, hispid or pubescent herbs, with pinnately decompound leaves, and cotnpound umbels of white flowers. Calyx-teeth triangular, acute. Bracts of the involucre few and small or none. Involucels of several or numerous narrow bracts. Petals cuneate or ohovate with an inflexed point, mostly 2-lobed. Stylopodium thick, conic. Fruit
. An illustrated flora of the northern United States, Canada and the British possessions : from Newfoundland to the parallel of the southern boundary of Virginia and from the Atlantic Ocean westward to the 102nd meridian . 4. TORILIS Adans. Fam. PI. 2: 99, 612. 1763. Annual, hispid or pubescent herbs, with pinnately decompound leaves, and cotnpound umbels of white flowers. Calyx-teeth triangular, acute. Bracts of the involucre few and small or none. Involucels of several or numerous narrow bracts. Petals cuneate or ohovate with an inflexed point, mostly 2-lobed. Stylopodium thick, conic. Fruit ovoid or oblong. laterally flattened. Primary ribs S, filiform. Secondary ribs 4, winged, each bearing a row of barbed or hooked bristles or tubercles. Oil-tubes solitary under the secondary ribs, 2 on the commissural side. [Significance of the name unknown.] About 20 species, natives of the northern hemisphere. Besides the following introduced ones, a native species occurs in western North America. Type species: Tordylium Anihriscus L. The Reneric name Caucalis L., used for these plants in our first edition, is now restricted to different Old World species. C. lalifolia L. has been found on ballast grounds at Philadelphia. Umbels sessile or short-stalked, capitate, opposite the leaves. 1. C. nodosa. Umbels compound, long-peduncled ; rays slender. 2. C. Anihriscus. 40
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
