ANALYTICAL ARTIFICIAL KEY. 



Xlll 



Shrubs or trees with opposite simple leaves, 



Pinnately veined, not lobed. 



Palmately veined, lobed. 

 Shrubs or trees with alternate lobed leaves. 

 Shrubs or trees with opposite compound leaves. 



Stamens 4 to 8. 



Stamens 2 or rarely 3. 



2. Ovary and fruit inferior or mainly so. 

 Tendril-bearing herbs : (lowers moncecious or dioecious. 

 Aquatic herbs : flowers dioecious or mouaudrous. 



Shrubs with catkin-like drooping spikes : flowers dioecious. Garrya in 

 Shrubs or herbs, not tendril-bearing nor diceeious, nor umbelliferous. 

 Stamens as many as the small or unguiculate petals and opposite 



them : calyx valvate. 

 Stamens if of the number of the petals alternate with them. 

 Styles 2 to 5, distinct or united below. 

 Fruit a few-seeded pome. 



Fruit a many-seeded (or rarely 3 - 5-celled 3 -5-seeded) capsule. 

 Fruit a 1 -celled many-seeded berry. Kibes in 



Style 1, undivided : stigmas 1 to 4. 



Flowers in cymes or a glomerate cluster. 

 Flowers racemose, spicate, or axillary. 

 Ovary 1 -celled : herbage scabrous. 

 Ovary 2 - 5-, mostly 4-celled. 

 Herbs : flowers in umbels : styles 2 : fruit dry. 

 Herbs or shrubs : flowers in umbels : styles 4 or 5 : fruit berry -like. 



Celasteaceje, 26. 

 Sacinpace-e, 29. 

 Sterculiacee, 21. 



SAMjfBACEfi, 29. 

 Oleacej:, 59. 



CuCTJRBITACEfi, 41. 

 HALORAGEjE, 38. 

 CORNACKE, 47. 



lillAMNAC'E-E, 27. 



Rosacea, 32. 

 Saxifragac&e, 34. 

 Saxifragacke, 34. 



cornacrb, 47. 



loasacej3, 40. 

 Onagr.ue.e, 39. 

 u.mi1ellifer.e, 45. 

 Araliacfje, 46. 



Division II. GAMOPETALJ! : petals more or less united into one i>iece. 

 A. Ovary inferior, or at least largely so. 



Stamens more numerous than the lobes of the corolla, 8 or 10, 



Distinct and free from it, or nearly so. EltlCACEJ!, 54. 



Monadelphous on its tube. Styracacea, 58. 



Stamens as many as the lobes of the corolla (5 rarely 4), syngenesious. 



Flowers in an involucrate head. CoMPOSrT.fi, 51. 



Flowers separate, racemose or spicate. Lodeliace.e, 52. 



Stamens as many as the corolla -lobes, or at least 4, distinct, 



Nearly or quite free from corolla : leaves alternate : no stipules. 

 Stamens distinct. 



Stamens mure or less united. 

 Inserted on the corolla : leaves opposite or whorled, 



With stipules, or else in whorls, quite entire. 



Without stipules, opposite. 

 Stamens only 3, fewer than the lobes of the corolla. 

 Leaves opposite : stamens distinct- 

 Leaves alternate : stamens often united. 



I'AMl'ANTI.Ai T.E, 53. 



Nemacladus in LoBKLIACEfi, 52. 



RlTBIACEfi, 19. 



I Al'llll ..I I Ml fi, 48. 



Vm era »s \< n . :.o. 



Cut i RBITAI I..K, 41. 

 B. Ovary superior (free), or mainly so. 

 1. Stamens more numerous than the lobes of the eon.lla. 

 Pistil single and simple : leaves compound. Leguminosjb, 31. 



Pistils several and simple : leaves simple, fleshy. ( IRASSDL \' B V, 35. 



Pistil compound, with Sstyles. Fouquiera in Tamariscini b, 17. 



Pistil compound, with one undivided style. 



Ovary 8-10-celled : stamens distinct Ekicaci b, 54. 



Ovary partly or at length 1-ceUed : stamens monadelphous. Styb WSAC1 b, 58. 



2. Stamens as many as tin- divisions of the corolla and opposite thorn. 



styles.". ; ovary and fruil 1-ovuled, 1-s led. Pltobaoinaci 



Style 1 : ovary and capsule several -many-seeded. Pwmi laci 



3. Stamens as many as tlio lobes of the corolla and alternate with them, or fewer. 

 » No green herbage, 

 Corolla regular : stamens free : seeds verv many and minute! WoNOTROPl B, 54. 



C Ha regular : stamens in its throat : fruit 10 20-cellod. l.i w i 



1 torolk regular : stamens on the tube ; fruit 2-collod. Cuscutn in I ■ ■ ■ I 



t'orolla irregular : Btamens didynamous : capsule L-celled, many-soodod. Orobani iiaci 



