18 PAPAVERACE.E. 



1. BBASENTA, Schreber. 

 1. B. peltata, Pursh, Leaves 2 to 4 inches long: white or purplish flowers. 



1. NUPHAB, Smith. 

 1. N. polysepalmn, Engelm. Leaves 6 to 12 inches long: stigma broad. 



SARRACENIACE^E. 



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

 tache-like appendages above the opening: solitary flower nodding on a bracteate acape. 



PAPAYERACE2E. 



* Herbs vtith entire narrow leaves; the uppermost whorled or opposite: sepals 3, caducout: 

 petals 6 in 2 rows, white or yellowish. 



Filiform 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. 



Sftpals 3, winged on the back: half shrubby 3 



Sepals 3 or 2, sharp-horned: bristly with stiff prickles ........-.*.. 4 



Sepals 2: stigma slightly 4-8-lobed: slender purplish filaments . .. 6 



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 G, very large, white: leaves pinnatifid ......*.,. 3 



1. PLATYSTEMON, Bentham. 



1. P. Californicus, Benth. Hirsute: peduncles long, axillary. 



2. PLATYSTIGMA, Bentham. 



1. P. linear, 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. Oreganum, B. & H. Capsule shorter: stamens 4 to 6: smaller. 



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



3. BOMNEYA, Harvey. 

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



4. ABGEMONE, Linnaeus. 

 1. A. hispida, Gray. Densely prickly, petals and stamens only excepted. 



