18 PAPAVERACEJE. 



1. BKASENIA, Sehreber. 

 L B. peltata, Pursh. Leaves 2 to 4 iuohea long: white or purplish flowers. 



1. NUPHAR, Smith. 

 1. IT. polysepalum, Engelm. Leaves G to 12 inches long; stigma broad. 



SARKACENIACEiE. 



Darlingtonia Califomica, Torrey. Hooded tubular leaves with a, pair of mus- 

 tache- like ajjpendages above the opening: solitary flower nodding on a bracteate scape, 



PAPAVERACEiE. 



* Herbi with entire narrow leaves; the uppermost whorled or opposite: sepals S, caducotui 

 petals 6 in S rows, white or yellowish. 



^'^liform stigmas 6 to many; ovaries forming a cylinder 1' 



Stigmas 3; capsule triangular-ovoid to obovoid or linear 2 



* * Herbs with divided or lobed alternate leaves. 



Sepals 3, winged on the back: half shrubby 3 



Sepals 3 or 2, sharp-horned: bristly with stifT prickles 4 



Sepals 2: stigma slightly 4-8-lobed: slender purplish filaments 5 



'I- Sepals united into a conical cap: slender stigmas unequal 6 



* * * Shrubs or woody based perennials. 



Sepals 2: buds globular: stigmas 2: leaves entire 7 



Sepals 3: petals 6, very large, white: leaves pinnatifid 3 



1. PLATYSTEMON, Bentham. 

 '•^, P. Calif omicus, Benth. ilirsute: peduncles long, axillary. 



2. PLATYSTIGMA, Bentham. 



1. P. lineare, Benth. Hirsute: stems short: peduncles long: stamens many. 



2. P. Californicum, B. & H. Capsule 9 to 15 lines long: stamens 10 to 12, 



3. P. Oreg'anum, B. & H. Capsule shorter: stamens 4 to 6: smaller. 



4. P. denticulatum, Greene. Leaves denticulate: stamens 6 to 9. 



3. BOMNEYA, Harvey. 

 1. R. Coulteri, Harv. White flowers 3 or more inches broad: glaucous leave*. 



4. AHOEMONE, LinnsEus. 

 1. A. hispida, Gray. Densely prickly, petals ami btameus only excepted. 



