SPIDERWORT — AMARYLLIS 335 



C. virginica, Linn. Stem glabrous or somewhat downy, ascending 1-2 

 ft.: leaves Lanceolate to linear, acuminate: flowers 1 in. wide, the odd petal 

 very small. In moist soil. 



2. TRADESCANTIA. Spiderwort. 



Mucilaginous herbs, with stout, succulent stems, simple or branched: 

 leaves elongated, narrow, keeled, sometimes purple-veined: flowers in ter- 

 minal and axillary umbelled clusters, with leaf-like bracts, not tubular; 

 filaments glabrous or bearded. 



T. virginiana, Linn. Plant green, erect, with linear leaves: flower- 

 clusters showy, terminal; corolla over 1 in. broad, the 3 petals deep blue 

 (rarely white), longer than sepals; filaments blue, and clothed with hairs. 

 Cultivated and wild; mostly in rich soil. Very variable. Flowers quickly 

 fading by becoming mucilaginous, but produced all summer. 



T. pilosa, Lehm. Stout, more or less zigzag, stems soft-hairy or nearly 

 smooth: leaves lanceolate, tapering at apex, narrowed at base, hairy on both 

 sides: cymes terminal and axillary, or on short axillary branches: flowers 

 %-\ in. wide. In rich moist soil, woods and thickets, or in shaded places. 



T. fluminensis, Veil. One of the greenhouse plants known as Wandering 

 Jew (see Zebrina), but leaves usually green and flowers white. South America. 



3. ZEBRINA. Wandering Jew. 



Low, trailing or partially climbing, rooting readily at the nodes, and 

 branching: leaves often striped with purple, green, white, thick and ovate: 

 flowers small, more or less irregular, tubular, usually in pairs. 



Z. pendula, Schnitzl. Stems trailing, perennial: corolla 3-parted, 

 roseate: calyx with short tube, 3-parted: ovary 3-celled, 3-6 ovuled: leaves 

 ovate or oblong, heavy or succulent, green and silver stripes above, purple 

 beneath. Much used for vases and baskets. A native of Mexico. 



VI. AMARYLLIDACE.E. Amaryllis Family. 



Differs from Liliacese chiefly in having an apparently inferior ovary 

 and in bearing its flowers more uniformly on scapes. More than 600 

 species in nearly 70 genera, widely dispersed. Representative plants 

 are narcissus, daffodil, snowdrop, tuberose, amaryllis. Plants of 

 the first three genera may be grown from bulbs in the school-room. 



A. Plants from coated bulbs; stem a leafless scape 



B. Perianth with a crown or cup in its center 1. Narcissus 



bb. Perianth with no cup. 



c. Anthers and style pointed 2. Gala?ithus 



cc. Anthers and style blunt 3. Leucoium 



aa. Plants from tuberous rootstocks or corms. 



B. Stem tall and leafy 4. Polianthes 



bb. Stem a low, leafless scape 5. Hypoxis 



