4 DIANDRIA MONOGYNIA. [CI. 2. 



**** Flowers without petals, or with 4 Petals. 

 12. LeMNA. Cor. 0. Cal. of 1 leaf. Caps, \vith 1 seed — 



N.O. PlSTIACE^E. 



15. CLADIUM. Cor.O. Glumes chaffy, sheathing ; the outer ones 



empty. Drupa, bristles none at the base. — N.O. Cyperace.<e. 

 Pet. 0. See Salicomia, species 2 and 3. Fraxinus 1. 



Schamus 4. Carex. 

 Pet. 4. See Lepidium 2. Senebiera 2. 



Order II. DIGYNIA. Styles 2. 



16. ANTHOXiNTHUM. Cal. a glume of 2 valves, 1-flovvered. 



Cor. glume of 2 valves, awned. Seed 1. — N.O. Gramine^e. 



See Hierochloe. 



DIANDRIA MONOGYNIA. 



6. LIGtJSTRUM. Privet. 



1. L. vulgdre, 11. 764. (Common P.) Leaves elliptic-lanceolate, 

 obtuse, with a small point. 

 Hedges and thickets. T? . 5, 6. Panicles dense, white. Berries black 



7. FRAXINUS. Ash. 



1. F. excelsior, 24. 1692. (Common A.) Leaves serrated. Flowers 



without calyx or corolla. 

 Woods and hedges. Tj . 4, 5. Tall, smooth. L. pinnate. Fl. inpan. 



2. F. heterophijlla, 33. 2476. (Simple-leaved A.) Leaves both 



simple and compound, with tooth-like serratures. 

 Hedges, rare. Tj . 4, 5. L. occasionally ternate, or even of 5 

 leaflets. A variety of the last? 



8. CIRCJeA. Enchanter's-nightshade. 



1. C lutetidna, 15. 1056. (Common E.) Stem erect. Leaves 



ovate, slightly toothed, opaque and downy. 

 Moist shady places. If.. 6,7. Clusters one or more. Fl. white 

 or reddish. Stem 18-20 in. 



2. C. alpina, 15. 1057. (Mountain E.) Stem ascending. Leaves 



heart-shaped, serrated, shining. Calyx membranous. 

 Shady, stony alpine pi. If. . 7, 8. Smaller than the last. Flowers 

 redder, and in more plentiful clusters ; cal. more membr. 



9. VERONICA. Speedwell. 



* Clusters or Spikes terminal. Hoot perennial. 

 1. V. spicata, I, 2. (Spiked S.) Spike terminal. Leaves bluntly 



