DICOTYLEDONS. PLANTAGINE^. Littordla. '209 



1. S. Kali, stem herbaceous prostrate, leaves subulate spinous 

 scabrous, segments of the perianth margined scariose. p. 85. 

 Sea-shores. 



5. SALICORNIA. 



Perianth single, turbinate, fleshy, closed. Stam. 12. Style 

 bi-trifid. Utricle included in the enlarged perianth. 



1. S. herlacea, stem herbaceous (annual) erect, articulations com- 

 pressed and somewhat thickened upwards notched, spikes cylin- 

 drical slightly tapering at the extremity, p. 1. Salt marshes. 



2. S. radicans, stem woody (perennial) procumbent and rooting-, 

 articulations cylindrical spreading and notched at the top, 

 spikes oblong obtuse, p. 1. Salt marshes. 



ORDER XII. PLANTAGINE^E. Juss. 



Flowers perfect, rarely monoecious. Cal. ? 4-partite, persistent 

 (3-cleft in Littorella). Cor. ? monopetalous, tubular, hypo- 

 gynous, scariose, persistent, 4-cleft (urceolate and almost en- 

 tire in Littorella). Stam. 4, inserted into the tube, and al- 

 ternate with the segments of the Cor. Filaments flaccid. Auth. 

 " versatile. Ovary without a surrounding disk. Style simple, 

 slender. Stigma simple or bifid. Pyxis membranous, 2 4- 

 celled. Seeds definite or indefinite, attached by their middle. 

 Testa mucilaginous. Embryo transverse, in the axis of a car- 

 tilaginous albumen. Radicle inferior. 



Herbs with or without a stem. Leaves mostly radical in tufts, 

 often many-nerved. Flowers spiked^ rarely solitary. 



l.PLANTAGO. 

 Flowers perfect. Capsule 2 4-celled. Seeds definite or indefinite* 



* Dissepiment of the capsule plane, each cell many-seeded. 

 \. PI. major, leaves broadly ovate mostly on longish footstalk?, 

 scape rounded, spikes long cylindrical, p. 53. Pastures. 

 ** Dissepiment of the capsule plane, each cell one-seeded. 



2. PI. media, leaves ovate mostly with very short footstalks, scape- 

 rounded, spike cylindrical, p. 53. Pastures. 



3. PI. lanceolata, leaves lanceolate, scape angular^ spike ovate. 

 p. 54. Meadows and pastures. 



4. PI. maritima, leaves linear grooved fleshy woolly at the base, 

 scape rounded, spike cylindrical, p. 54. Sea-coast. 



*** Dissepiment with 4 angles (thus forming 4 cells), seed in each ctll. 



5. PI. Coronopus 9 leaves linear pinnatifid, scape rounded, p. 54. 

 . Gravelly places. 



2. LITTORELLA. 



Monoecious. Barren fl. Cal. 4-partite. Cor. tubular, 4-fid 

 Fertile ft, Cal, 0. unless 3 bracteae (?) can be so called. Cor, 



[o] 



