186 LINN^EAN CLASS XIV. XVTL 



CLASS XIV.— TETRADYNAMIA. 



Order I.— SILICULOSA. Pod short. 

 Order II.— SILIQUOSA. Pod long. 

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



CLASS XV.— MONADELPHIA. 

 Order III.— TRIANDRIA. 



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

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



Order V.— PENTANDRIA. 



Paasijlora. Calyx 5-parted, with a camponiilate tube. A filamen- 

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



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

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

 ed. Amaranthacece, 99. 



Oplotheca. Frcelichia. 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 racece, 138. 



Order X.— DECANDRIA. 



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, Mimosa, Darlingtonia, and Schrankia will be found in Legu- 

 minosce, order 43. 



Order XII.— POLYANDRIA. 



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

 Orders Malvacece, No. 33, Ternstrcemiacece, No. 32, and Styracece, No. 73. 



CLASS XVI.— DIADELPHIA. 

 Order V. to Order VIII.— PENTOCTANDRIA. 



Poli/gala. Sepals 5, permanent, unequal, 2 of them wing-like, large, 

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

 Polygalaceai, 15. 



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

 riacece, No. 12. 



Order X.— DECANDRIA. 



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

 No. 43. 



CLASS XVII.— SYNGENESIA. 



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

 be found explained and analyzed. 



