COMMELINACE^ — AMARYLLIDACE^ 303 



T. pilbsa, 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 iu shaded 

 places. 



T. flumiii6nsis, Veil. One of the greenhouse plants known as Wander- 

 ing .Jew (see Zehrin.d), but leaves usually green and flowers white. S. 

 Amer. 



.'!. 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: 

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



Z. p6ndala, 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^. Amaryllis Family. 



DifEers from Liliacefe chiefly in having an 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 lilies. 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 centre 1. Narcissus 



BB. Perianth with no cup. 



c. Anthers and style pointed 2. GaUintlius 



cc. Anthers and style blunt 3. Leucoium 



AA. Plants from tuberous rootstocks or corms. 



B. Stem tall and leafy 4. PotiantJies 



BB. Stem a low, leafless scape 5. Hypoxis 



1. NARCISSUS. Narcissus. Daffodil. 



Low plants producing from 1 to many 6-parted flowers on a scape which 

 arises from a tunicated bulb: Derianth with a long tube and bearing a cup 

 or crown in its center. Old World, but frequently cultivated. 



a. Crown as long as, or longer than, the divisions of the perianth. 



N. Pseddo-Narcissus, Linn. Trumpet narcissus. Common daffodil. 

 Fig. 234. Scape 1-flowered, the flower large and yellow with a relatively 

 short tube and a wavy-edged crown. Leaves fiat and glaucous. Double 

 forms are common in gardens. 



