98 Plantaginaceae 



radical or whorled, undivided or multifid. Flowers 5- 

 merous, mostly zygomorphic. Corolla usually distinctly 

 2-lipped. Stamens usually 2. Carpels (2), median. 

 Ovules many on the free central placenta. Fruit cap- 

 sular. 



Tribe Utricularieae. Corolla zygomorphic with dis- 

 tinct spur. 



Land plants. Leaves radical, entire. Corolla throat 

 open. Pinguicula. 



Aquatic plants. Leaves floating, multifid. Corolla 

 throat closed. Utricularia. 



Order 6. Plantaginales. Mostly herbs. Leaves 

 usually spiral. Flowers actinomorphic, 4-merous (except 

 gynaecium). Corolla scarious. One whorl of stamens. 

 Carpels usually 2. 



Fam. Plantaginaceae. Scapigerous herbs. Leaves 

 mostly radical, parallel-veined. Flowers small, anemo- 

 philous, in spikes. K 4, persistent. C 4, scarious, lobes 

 spreading. A 4, inserted on corolla-tube (hypogynous 

 in Litorella). Anthers large, versatile. Carpels usually 

 (2). Ovary 2-loc or 4-loc by spurious septum. Ovules 

 usually several, anatropous, peltate, on the septum. 

 Fruit a capsule dehiscing transversely or a nut. Seeds 

 with endosperm. 



Land plants. Flowers many, spiked, hermaphrodite. 

 Capsule dehiscing transversely. Plantago. 



Water plant. Flowers few, monoecious. Fruit a 

 nut. Litorella. 



b. Perianth epigynous. (For a see p. 87.) 

 a. Stamens free. (For /3 see page 102.) 



