. Elementary botany . Fig. 360^. Seeds and flowers of sugar maple. At the right 1 a pistillate flower, in the middle a staminate flower and at the left the two seeds torming a samara. calyx is bell-shaped and several times lobed, usually five times. The sta- mens are variable in number. The ovary is two-lobed and the deeply forked. The fruit forms two seeds, each with a long wing-like expansion as shown in the figure. The flowers of the maple are polygamo-dice- cious, that is the male members (sta- mens) and female members (carpels) may be in the same flower or in dif- ferent flowers. SAXIFRAG


. Elementary botany . Fig. 360^. Seeds and flowers of sugar maple. At the right 1 a pistillate flower, in the middle a staminate flower and at the left the two seeds torming a samara. calyx is bell-shaped and several times lobed, usually five times. The sta- mens are variable in number. The ovary is two-lobed and the deeply forked. The fruit forms two seeds, each with a long wing-like expansion as shown in the figure. The flowers of the maple are polygamo-dice- cious, that is the male members (sta- mens) and female members (carpels) may be in the same flower or in dif- ferent flowers. SAXIFRAGIN^E. 529. The saxifrage family (sax- ifragaceae). —The early saxifrage (Saxifraga virginiensis) is a small plant \o-2^cm high, and grows on rocky and dry hillsides (fig. 361). The Ovate Or heait-shaped leaves Early saxifrage (Saxifraga virginiensis). have crenate margins, and are clustered near the ground. The scape bears a branched cluster of flowers at the summit. Floral formula Ca5,Co5,Aio,G2.


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Keywords: ., bookcentury1800, bookdecade1890, bookpublisher, booksubjectbotany