Illinois Biological Monographs

Illinois Biological Monographs

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1921 edition. Excerpt: ... to the subsections Flowers not subtended by bracts (sometimes present at the base of the flower cluster in C. denticulata); calyx segments more or less united Platycarpae (p. 47). Flowers subtended by numerous bracts; calyx segments mostly free...lepidanche (p. 72). Subsection Platycarpae Engelmann Cuscuta Platycarpae Engelmann, Trans. Acad. Sci. St. Louis, 1:491, 1859. Cuscuta Oxycarpae Engelmann, Trans. Acad. Sci. St. Louis, 1:499, 1859. Flowers membranous or fleshy, mostly pedicellate, not subtended by numerous bracts (in C. denticulata one or two bracts may be present at base of the flower cluster). Key to the species Capsule globose, more or less depressed (pointed in C. decipiens and C. indecora); flowers membranous or fleshy; scales present. Flowers mostly smooth, not particularly fleshy or papillate except in one variety. Corolla remaining at the base of the mature capsule. Corolla lobes obtuse; scales reaching the filaments; pentamerous C. glandidosa (p. 48). Corolla lobes triangular, acute; scales reduced to a few processes about the apex; mostly tetramerous C. polygonorum (p. 49). Corolla lobes acute, with inflexed tips; scales prominent; pentamerous. Flowers about 2-3 mm. long, scales rather deeply fringed, exceeding the length of the tube C. pentagona (p. 50). Flowers 2.5-5 mm. long, scales rather shallowly fringed, not reaching the filaments C. plaUensis (p. 53). Corolla carried at the apex of the capsule like a hood; mostly tetramerous C. ccplialanthi (p. 53) Corolla surrounding the capsule; calyx lobes not overlapping; pentamerous. Calyx lobes not reaching the middle of the corolla, deltoid C. racemosa chiliana (p. 54). Calyx lobes usually exceeding the middle of the corolla, ovate C. decipiens (p. 55)....show more

Product details

  • Paperback
  • 189 x 246 x 5mm | 195g
  • Rarebooksclub.com
  • United States
  • English
  • black & white illustrations
  • 1236844688
  • 9781236844682