. Plants of New Zealand . Botany. DAISY, DANDELION, AND THISTLE FAMILY 407 fail of insect pollination, they frequently curl back, until they touch the pollen collected on the style itself, and thus effect self-pollination. These stages may be readily followed in the. Fig. 137. Olearia insigais (i nat. size). dandelion. (c/. also Campanulaceae, p. 403). After pollina- tion, the calyx tube usually grows upwards, bearing on its summit a parachute of bristles or hairs (the pappus). In this way the well known "clock" of the dandelion is formed. The pappus hairs vary considerably in charac
. Plants of New Zealand . Botany. DAISY, DANDELION, AND THISTLE FAMILY 407 fail of insect pollination, they frequently curl back, until they touch the pollen collected on the style itself, and thus effect self-pollination. These stages may be readily followed in the. Fig. 137. Olearia insigais (i nat. size). dandelion. (c/. also Campanulaceae, p. 403). After pollina- tion, the calyx tube usually grows upwards, bearing on its summit a parachute of bristles or hairs (the pappus). In this way the well known "clock" of the dandelion is formed. The pappus hairs vary considerably in character, and generic distinctions are sometimes based upon their differences. The. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Laing, R. M. (Robert Malcolm), b. 1865; Blackwell, E. W. (Ellen W. ). Christchurch : Whitcombe and Tombs
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectbotany, bookyear1906
