LINN^EAN SYNOPSIS OF GENERA. \ XXVII 



Order II. DIGYNIA. 



283. POLYGONUM. Perianth single, inferior. 



L33. CHRYSOSPLENIUM. Perianth single, half-superior\ 



Order III. TRIGYNIA. 



286. FAGOPYRUM. 



(Polygonum, N. O. 66.) 



Order IV. TETRA- PENTA- GYNIA. 



152. ADOXA. Cal. 2-fid, cor. 4-fid in the terminal fl. ; cal. 3- 



fid, cor. 5-fid in the lateral flowers. 



42. ELATINE. Cal. 3 4-parted. Pet. 34. Anth. terminal. 

 311. PARIS. Sep. and pet. 4. Filaments continued beyond the 



anthers. 



Class IX. ENNEANDRIA. 



346. BUTOMUS. Perianth of 6 coloured leaves. Stigmas 6. 



Class X. DECANDRIA. 



Order I. MONOGYNIA. 



211. Nat. Order 47- ERICACEAE (in part). Cor. 5-cleft or of 5 

 petals. 



Order II. DIGYNIA. 



124. SCLERANTHUS. Cal. 5-cleft. Pet. 0. 



129. SAXIFRAGA. Cal. 5-toothed or 5-parted. Pet. 5. Fr. with 



2 beaks. 



45. SAPONARIA. Cal. 5-toothed, naked below. Pet. 5. 

 44. DIANTHUS. Cal. 5-toothed, with scales at the base. Pet. 5. 

 ( Chrysosplenium, N. O. 36. Polygonum, N. O. 66.) 



Order III. TRI- TETRA- PENTA- GYNIA. 



42. Nat. Order 14. CARYOPHYLLACE.E (in part). Caps, open- 

 ing by teeth at the end or valves. Stipules none. 

 124. LEPIGONUM. Caps, opening by valves alternate with the 



sepals. With stipules. 

 124. SPERGULA. Caps, opening by valves opposite to the 



sepals. With stipules. 

 44. CUCUBALUS. Fr, a berry. Styles 3. 

 67. OXALIS. Caps. 5-celled, opening at the angles. Pet. con- 

 nected below. 



b2 



