xiv KEY TO THE ORDERS. 



B. Staiiicus not luorc Mian twice as many as tlic petals. 



* Stamens just as many as the petals, and one stamen in front of 



each petal. 

 Bbrbbeidace^.— Herbs (with ns). Anthers opening by 



uplifting valves 10 



PoRTULACACE^.— Sepals 2. Styles 3-cleft. Leaves 2, 



fleshy ; ? ' 



ViTACB^.— Shrubs, climbing by tendrils. Calyx minute. 44 



IliiAMNACE^. — Shrubs, not climbing 45 



Plumbaginacb^. — Herbs. Calyx plaited. Styles 5. 



Ovary ] -celled and 1-seeded 144 



Lysimaehia, in 



Primulace*, is occasionally poljrpetalbus. Flowers yel- 

 low, in axillary spikes ; the petals sprinkled with 

 purplish dots 145 



♦ * Stamens either just as many as the petals and alternate vnth 



them, or not of exactly the same number. 

 4- Corolla irregular, 



FuMAKiACE.E.^^Corolla flattened and closed. Stamens 6. 15 



ViOLACE^. — Corolla ] -spurred. Stamens 5. Pod with 3 



rows of seeds on the walls 26 



Balsaminace^. — Corolla l-spurred, the spur witjh a tail. 



Stamens 5, Pod bursting elastically 42 



PoLYGALACB^. ^ — Lower petal keel-shaped, usually fringed 

 at the top. Anthens 6 or 8, 1-celled, opening at 

 the top. Pod 2-celled 48 



LeguminoSjS;. — Corolla mostly papilionaceous. Filaments 

 often united. Ovary simple, with one parietal 

 placenta. Leaves compound 49 



-1- -1- Corolla regular, or nearly so. 



1. Calyx superior {i.e., adherent to the ovary, -wholly or 

 partially). 



(a) Stamens perigynous (inserted on the calyx). 

 Cratjegus, in -. ' 



Rosacea. — Shrubs. Stamens occasionallyfroni5tol0only. 



Leavfes alternate, with stipules. Fruitdrupe-like, 



containing 1-5 bony nutlets ^ 62 



Saxifbagace^j, — Leaves opposite or alternate, without 



stipules. Styles or stigmas 2 ; in one instance 4. 



Ovary |l-celled, with 2 or 3 parietal placentas. ... 75 



