. Botany for secondary schools; a guide to the knowledge of the vegetation of the neighborhood. Plants. SCKOPHULARIACE^E 405 ddd. Sterile filament, not conspicuous: corolla almost 2-parted, the middle lobe of the lower lip keeled, inclosing the 4 stamens 7. Collinsia cc. Stamens plainly 4. d. Corolla 2-lipped: calyx 5-angled: flowers not drooping 8. Mirmdus dd. Corolla slightly 2-lipped, irregularly 5-lobed flowers drooping 9. Digitalis ddd. Corolla with upper lip narrow and erect, much longer than the lower, and keeled: anther- sacs are not alike: floral leaves colored like petals 10. Castill
. Botany for secondary schools; a guide to the knowledge of the vegetation of the neighborhood. Plants. SCKOPHULARIACE^E 405 ddd. Sterile filament, not conspicuous: corolla almost 2-parted, the middle lobe of the lower lip keeled, inclosing the 4 stamens 7. Collinsia cc. Stamens plainly 4. d. Corolla 2-lipped: calyx 5-angled: flowers not drooping 8. Mirmdus dd. Corolla slightly 2-lipped, irregularly 5-lobed flowers drooping 9. Digitalis ddd. Corolla with upper lip narrow and erect, much longer than the lower, and keeled: anther- sacs are not alike: floral leaves colored like petals 10. Castilleja ccc. Stamens 2 (or 2 others rudimentary or wanting). d. Corolla 2-lipped 11. Gratiola dd. Corolla rotate, lobes unequal 12. Veronica 1. VERBASCUM. Mullein. Tall biennials, with alternate decurrent leaves: calyx and corolla 5-parted, the latter shallow and nearly or quite SS^i *H*»j> rotate; stamens 5, some or all of the filaments woolly. V. Thapsus, Linn. Common mullein. Fig. 147. Two to 5 ft., stout and usually unbranched, white-woolly: leaves oblong and acute felt-like: flowers yellow in a very dense spike. Weed from Europe. V. Blattaria, Linn. Moth mullein. Slender and branch- Linaria vulgaris. inK> green and nearly smooth: leaves oblong, serrate, often laterally lobed, somewhat clasping: flowers yellow or cream-colored, in a loose raceme. Weed from Europe. 2. LINARIA. Toad-flax. Low herbs, of various habit: corolla personate, the throat nearly or entirely closed, spurred from the lower side: stamens 4: capsule opening by apical pores. L. vulgaris, Mill. Toad-flax. Butter-and-eggs. Figs. 227, 281, 544. Common perennial weed (from Europe), 1- 2 ft., with linear leaves and yellow flowers in racemes. L. Cymbalaria, Mill. KenHworth ivy. Fig. 545. Trail- ing: leaves orbicular, 5-7-lobed: flowers solitary on long peduncles, lilac-blue. Europe; very common in greenhouses and sometimes runs wild. L. canadensis, Dumont. Common annual or biennial in dry or sandy soil: flowe
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectplants, bookyear1913
