DICOTYLEDONS. PLANTAGINE.E. LlttoVcUd. 'l^^ 



1 . S. A'ff/i, stem herbaceous prostrate, leaves subulate spinous 

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

 — Sea-skores. 



.). SALICORNIA. 



Perian/h single, turbinate, fleshy, closed. Slam. 1 — 2. Stijie 

 bi-trifid. Utricle inckided in the enlarged perianth. 



1. S. herbacea, 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) i)rocumbent and rooting, 

 articulations cylindrical spreading and notched at the top, 

 spikes oblong obtuse, p. 1. — Salt marshes. 



Order XII. PLANTAGINE^. Juss. 



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

 (3-cleft in Lit lore/ la). Cor. P mouopetalous, tubular, hypo- 

 gynous, scariose, persistent, 4-clet't (urceolate and almost en- 

 tire in Littorellu). Stam. 4, inserted into the lube, and al- 

 ternate with the segments of the Cor. Filaments flaccid, jbith. 

 versatile. Ovary without a surrounding disk. Shjls simple, 

 slender. Slig7n'a 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. 



1 . PLANTAGO. 



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



* Diiispphnent of the cup side plane, each cell many -seeded. 

 l.PI. major ^ leaves broadly ovate mostly on longish footstalks, 

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



*'^- lYissephnent 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 pasiures. 



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

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



«** Dissepiment ivith 4 angles {thus forming 4 cells), seed in each cell. 



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

 — Gravelly places. 



2. LITTORELLA. 

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

 Fertile Jl. Cal. 0, unless 3 bractese f?) can be so called. Cor. 



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