Botanische mittheilungen aus den tropen herausgegeben, 1–3. köide

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Andreas Franz Wilhelm Schimper
G. Fischer, 1888

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Page 18 - I think these facts show that the ants are really kept by the acacia as a standing army, to protect its leaves from the attacks of herbivorous mammals and insects.
Page 49 - ... one entrance serves for both. Here they rear their young, and in the wet season every one of the thorns is tenanted, and hundreds of ants are to be seen running about, especially over the young leaves. If one of these be touched, or a branch shaken, the little ants swarm out from the hollow thorns and attack the aggressor with jaws and sting.
Page 27 - Tillandsia, when it inserts its point into the water and gives origin to a new plant, which in its turn sends out another shoot. In this manner I have seen not less than six plants united.
Page 27 - Like most of its congeners, it is aquatic ; but what is most curious, is that it is only to be found growing in the water which collects in the bottom of the leaves of a large Tillandsia, that inhabits abundantly an arid rocky part of the mountain, at an elevation of about 5,000 feet above the level of the sea.
Page 29 - ... partitions that extend across the interior of the hollow trunk. The ants gain access by making a hole from the outside, and then burrow through the partitions, thus getting the run of the whole stem. They do not obtain their food directly from the tree, but keep brown scale-insects (Coccidce) in the cells, which suck the juices from the tree, and secrete a honey-like fluid that exudes from a pore on the back, and is lapped up by the ants.
Page 2 - List of the trees, shrubs and large climbers found in the Darjeeling District, Bengal.
Page 10 - Pfeffer dahin erklärt wird, dass „eine zu hohe Concentration einer Lösung in jedem Falle die Transpiration herabdrückt, weil durch dieselbe , so gut wie durch einen relativ wasserarmen Boden , die Wasserversorgung der Pflanze erschwert wird.
Page iii - Etudes sur la geographie botanique de l'Europe et en particulier sur la Vegetation du plateau central de la France, 1854 — 58.
Page 27 - ... Weise, dass ein befruchtetes Weibchen, die spätere Königin des Ameisenstaates, durch eine von ihr genagte Oeffnung in eine der obersten Kammern des Stammes eindringt. Die Oeffnung verwächst bald wieder (Fig.
Page 20 - Fl. May-July. Never giving fruit, but propagating itself by producing young plants from buds in the axils of the sterile bracts below the flowers, which remain in connection with the parent plant, and thus often forming long colonies of plants from one tree to another. In forests and thickets, gregarious, but rare.

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