186 LINN^AN CLASS XIV. XVII. 



CLASS XIV.— TETRADYNAMIA. 



Order L— SILICULOSA. Pod short. 



Order II.— SILIQUOSA. Pod long. 



The genera of this class make the Natural Order Cruciferce, 13. 



CLASS XV.— MOXADELPHIA. 

 Order III.— TRIANDRIA. 



Sisyrinchium. Perianth 6-leaved. Stamens 3, usually monadelphous. 

 Capsule triangular. Small plant with grass-like leaves. Iridacece, 124. 



Order V.— PENTANDRIA. 



Passiflora. Calyx 5-parted, with a campanulate tube. A filamen- 

 tous crown inserted in the throat. Stigmas 3, clavate. Passifloracece, 53. 



Achyranthes. Telanthera. Perianth double, exterior one 3-leaved, 

 the interior 5-leaved. Stamens 5. Style 1. Capsule 1-celled, 1-seed- 

 ed. Amaranthacece, 99. 



Oplotheca. Froelichia. Perianth double, the exterior 2-leaved, trun- 

 cate, the interior 5-cleft, tomentose. Stamens 5. Capsule 1-seeded. 

 Amaranthacece, 99. 



Order VIIL— OCTANDRIA. 



Pistia. Perianth a spathe, tubular, strap-shaped, hooded. Stamens 

 3 — 8. Capsule 1-celled, many-seeded. An aquatic plant. A race ce, 138. 



Order X.— DECAXDRIA. 



Geranium. Sepals 5, equal. Petals 5, regular. Stamens 10 ; alter- 

 nate ones largest, with a scale at the base. Carpels with long awns. 

 Geraniacece, 24. 



Acacia, Mhnoaa, Darlingtonia, and Schrankia will be found in Legu- 

 minosce, order 43. 



Order XII.— POLYAXDRIA. 



The genera of this order will be found forming the three Xatural 

 Orders Malvaceae, Xo. 33, Ternstrcemiacew, No. 32, and Styracew, Xo. 73. 



CLASS XVL— DIADELPHIA. 



Order V. to Order VIII.— PEXTOCTAXDRIA. 



Polygala. Sepals 5, permanent, unequal, 2 of them wing-like, large, 

 colored'. Corolla irregular. Capsule obcordate, 2-celled, 2-valved. 

 Poly gal acecr, 15. 



The remaining genera of these orders form the Xatural Order Fuma- 

 riacea?, No. 12. 



Order X.— DECAXDRIA. 



The genera of this order belong to the Natural Order Zeguminosce, 

 No. 43. 



CLASS XVII.— SYNCKNKSIA. 



This class forms the Natural Order Composite, No. 68, where it will 

 be found explained and analyzed. 



