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Order CXI. ClIARACEiE. 
Genus 1. Chara. 
C. flexilis. Flaccid Nitella. Fig. 1771. 
Monoecious. Stern slender ; branchlets pointed, nearly equally forked. 
Ditches. 6-9 in. Perenn. May. E. B. 1. 1070. E. £.2.1408. 
Bab. 4. 433, 5. 434. £.21. 
C. syncarpa. Twin-fruited Nitella. Fig. 1772. 
Dioecious. Stems slender, smooth; branchlets bluntish, nearly 
equally forked. Stagnant waters. 6-12 in. Ann. June. Bab. 4.432, 
5. 434. £. 22. 
C. translucens. Translucent Nitella. Fig. 1773. 
Monoecious. Stem thick, transparent. Sterile branchlets simple. 
Deep pools. 6-9 in. Ann. July. E.B. 1.1855. E. 3. 2.1467. 
Bab. 4.432,5.434. S. 23. 
C. gracilis. Slender Nitella. Fig. 1774. 
Monoecious. Stem slender, flexible, transparent; branchlets in lax 
whorls. St. Leonard’s Forest, Sussex. 3-6 in. Ann. Sept. E.B.\. 
2140. E.B. 2. 1470. Bab. 4.433, 5.434. £.24. 
C. Smithii. Smith's Nitella. Fig. 1775. 
Dioecious. Stem slender, equal, transparent; branchlets blunt, pri¬ 
mary whorls simple. Lancing, Sussex. 3-6in. Ann. Sept. E.B. 1. 
1703. E.B. 2.1469. Bab. 4. 433, 5. 435. £.25. 
C. prolifera. Proliferous Nitella. Fig. 1776. 
Monoecious. Stem slender ; branchlets blunt, primary whorls simple. 
Ditches. 3-6 in. Ann. April. Bab. 4.433, 5.435. £.26. 
C. vulgaris. Common Chara. Fig. 1777. 
Monoecious. Stem rough, finely striate. Ditches and streams. 
6-9 in. Ann. June-Aug. E. B. 1. 336. E.B. 2. 1471. Bab. 4. 
435, 5. 436. S. 27. 
C. hispida. Bristly Chara. Fig. 1778. 
Monoecious. Stem thickened upwards, striated, spinulose. Ditches. 
6-9 in. Ann. May-Aug. E.B. 1.436. E.B. 2.1475. Bab. 4. 
435,5. 436. £. 28. 
C. aspera. Rouyh Chara. Fig. 1779. 
Dioecious. Stem smooth, flexible, with setaceous patent spines. 
Bog-pits. 1-2 ft. Ann. Aug. E.B.S.2738. E.B. 2. 1474. Bab. 4. 
435, 5. 436. £. 29. 
C. fragilis. Fragile Chara. Fig. 1780. 
Monoecious. Stem slender, smooth, finely striate, not spinous. 
Stagnant water. 6-9 in. Ann. June-Aug. E.B.S-2762. E.B. 2. 
1472. Bab. 4. 435, 5. 436. £.30. 
