Ord. 2.] MONOECIA TRIANDRIA. 181 



Grov. and barr. pi. : wild ? If. 5, 6. Habit like the last. Bract, 

 at length scarlet. 



11. E. hiberna, 19. 1337. (Irish S.) Umbel of six forked branches. 



Bracteas ovate. Leaves obtuse. Stem simple. Nectaries kidnev- 

 shaped, pointless. Capsule warty, erect. 



Fields and woods ; S. of Ir. If. 6. 2 f. Nect. tawny purple. 

 *\\. E.pilosa, Suppl.2787. (Hairy S.)'Umbel of 3— 5 principal rays ; 

 with several scattered inferior ones. Bracteas broadly oval, 

 entire ; and, as well as the elliptical finely serrated leaves, hairy, 

 or glabrous. Glands of the involucre 4, transversely oval, with 

 intermediate rounded lobes. Capsule warty or even, hairy or 

 smooth. Seeds glossy, even. 



Hedges and woods, S. of Engl. ; naturalized. If. . 7. 2— 3 f. high. 



12. E. amygdaloides, 4. 256. (Wood S.) Umbel of about six forked 



branches ; with numerous axillary stalks beneath. Bracteas 

 rounded, perfoliate. Leaves obtuse, hairy. Capsule smooth. 

 Woods. If. . 3, 4. Shrubby, purplish, downy. Nect. lunate, yellow. 



13. E. Chardcias, 7. 442. (Red Shrubby S.) Umbel of numerous 



forked downy branches ; with many axillary crowded stalks 

 beneath. Bracteas somewhat pointed, perfoliate. Leaves lanceo- 

 late, downy. Capsule hairy. 

 Needwood Forest, Staffords., not indig. T? . 3, 4. Shrub, 3 f. 

 purplish-brown. L. evergreen. 



424. ZANNICHeLLIA. Homed-pondweed. 



1. Z. palustris,26. 1844. (Common H.) Anther of two, or four cells. 

 Stigma entire, or toothed. Leaves linear. 

 Ponds & ditch. . 7. Stem float, thread-sh. branched, leafy, 1 2 — 1 8 in. 



MONOECIA TRIANDRIA. 



425. TyPHA. CatVtail, or Reed-mace. 



1. T. latifolia, 21. 1455. (Great C.) Leaves somewhat convex 



beneath. Catkin continuous. Receptacle hairy. 

 Ponds and ditches. If. 7. Smooth, 6f. erect ; leafy at bottom only. 

 L. upright, linear. Catk. 1 f. 



2. T. angustifolia, 21. 145G. (Lesser C.) Leaves slightly semi- 



cylindrical ; channelled above. Barren catkin separated from 

 the fertile one. Receptacle scaly. 

 Ponds and ditches, less freq. If. 6, 7. Like the last, but smaller 

 and more slender. 



3. T. minor, 21. 1457. (Dwarf C.) Leaves linear, convex beneath. 



Catkins a little distant ; barren one leafy ; fertile short and tur- 

 gid ; often interrupted. Anthers nearly solitary. Receptacle 

 naked. 

 Marshes, rare : not British. If. 7. 1 — !£/. slender, 



