64. AMARANTHACE^E. 273 



bracts ovate acute or cuspidate, 2 lateral sep. keeled. E. B. 507. 

 L. nearly glabrous, lanceolate, length 4 12 times the breadth. 

 Anth. and filaments yellow. A very variable plant. Spikes 

 globose, scape and 1. silky, neck woolly, in sandy places ; spikes 

 very long, 1. very long and broad, in rich damp soil. Meadows, 

 pastures and sandy places. P. VI. VII. Ribwort. 



4. P. media (L.); L elliptical sessile or with short broad 

 stalks pubescent, scape round, spike cylindrical, bracts ovate- 

 acuminate, sep. not keeled. E. B. 1559. St. 87. 8. L. usually 

 lying flat on the ground, sometimes shortly lanceolate and as- 

 cending. Anth. yellow, filaments purple. Meadows and pas- 

 tures. P. VI. IX. 



**** Placenta 2-winged. Seeds 2 4 in each cell. Cor.-tube 

 glabrous. 



5. P. major (L.) ; 1. broadly ovate on longish channeled stalks, 

 scape round, spike long, bracts ovate-obtuse keeled about as 

 long as the cal., sep. with a prominent dorsal rib. E. B. 1558. 

 St. 87. 6. R. xvii. 1127. L. ascending. Anth. purple. Seeds 

 about 8. /3. microstachya (Koch) ; scape weak shorter than 1., 

 spike lax, 3 6-flowered. Fields and waste places. /3. Turf- 

 bogs, Cunnamara, Ireland. P. VI. VIII. 



2. LITTORELLA Linn. Shore-weed. 



1. L. lacustris (L.}.E. B.46S. Fl. white. Fertile fl. ses- 

 sile. Stalks of the male fl. 1 2 in. long. L. all radical, linear, 

 fleshy, somewhat channeled. Margins of lakes. P. VI. VII. 



Subdivision IV. MONOCHLAMYDE.E. 



With only a single perianth, that is the cal. and cor. not di- 

 stinguishable, or wanting. 



[Order LXIV. AMARANTHACE^E. 



Perianth 3 5-parted, scarious, persistent, Stam. hypogynous. 

 Ovary free, 1 -celled j ovule 1 or several, suspended from a free 

 central seed-stalk. Style I or 0. Stigma simple or compound. 

 Embryo curved round central farinaceous albumen. L. without 

 stipules or sheaths. G. F. G. Monochl. 71. 



1. AMARANTHUS. Fl. monoecious. Perianth 3 5-parted. 

 Stam. 3 5. Styles 3. Caps 1 -celled, 1 -seeded, bursting 

 transversely.] 



N 5 



