MONOCHLAM YDE.E. 135 



5. P. CORONOPUS, li. Buck's- Horn Plantain, Star of the Earth. 

 Le. spreading in a dense tuft, linear pinnatifid or coarsely toothed; 

 segments linear, sometimes toothed, more or less hairy. Scape 

 round. Spike cylindrical, slender, 1 2 in. long. Bracts ovato- 

 subulate. Lateral sep. with a ciliate membranous wing. Ovary 

 4- celled. 



Common. On gravelly places and dry banks by the sea coast. (B) A. 6 7. 



2. LITTOR^LLA. Plantain Shore- Weed. 



L. LACUSTRIS, L. Le. all radical, tufted, 1| Sin. long, linear, 

 fleshy. Ped. of the male fl. 2 3 in. long, bearing 1 or 2 white fl. , 

 with filaments upwards of half an inch long. Female fl. , sessile 

 in the axils of the le., with a long filiform style. 



Common. On the margins of our lakes. (B) P. 67. Hogganfield, Frank- 

 field, Bardowie, and St. Germans lochs; Cumbrae; Bute and Arran. 



sub-ciass 4 MONOCHLAMYDE^S. 



A. Barren flowers not in catkins. 

 1. Ovary 1-celled or with a solitary ovule. 



Ord. 60. CHENOPODIACEJE Perianth 3 5-cleft. Fruit a 

 utricle. Stipules one. Le. fleshy. 



Ord. 61. SCLERANTHACE^E. Perianth tubular, 4 5-cleft, en- 

 closing the utricle. Styles 2. St. 10, several barren, Stipules 

 none. 



Ord. 62. POLYGON ACE^:. Perianth 46 partite. Styles and 

 stigmas several. Achenes triangular, sometimes compressed. 

 Stipules (Ochrece] usually tubular. 



Ord. 67. URTICAC^. Fl. monoecious or dioecious. Achenes 

 lenticular. Stamens elastic. Stipules membranous, free. 



Ord. 63. THYMELACE^E. Perianth tubular. Stamens inserted 

 in the tube. Style 1. Stigma 1. Fruit a berry. Without 

 stipules. . 



For Alchemilla see Rosacece. 



2. Ovary 2 or more celled, or with several ovules. 



Ord. 64. EMPETRACE^:. Fl. dioecious, Perianth of several 

 scales in 2 rows. St. 3. Stigma peltate. Fruit a berry. Le. 

 heath-like. 



Ord. 65. EUPHORBIACE^ Fl. imperfect. Perianth none or 

 3-partite. Styles 23. Capsule 2 3-celled. 



Ord. 66. CALLITRICHACE^. Fl. monoecious. Perianth none. 

 St. 1. Ovary 4-celled. Fruit keeled on the back. Le. opposite, 

 simple. 



