93 80LANACKS. 



Stems slender, low, growing on salt-marsh plants •••••^•»« 8 



Stems coarser: corolla mach exceeding the calyx, 2^ to 4 lines long ••••..••.. 4 



Stems coarse: corolla lobes acute, usually inflexed •••• 6, 6 



1. C. arvensis, Beyrich. Flowers scarcely a line long in dense cloBters. 



2. C. Calif omica, Choisy. Calyx lobes acute: corolla lobes slender. 



3. O. salina, Engelm. Delicate white flowers 1^-2^ lines long, 



4. C. subinclusa, D. & H. Flower clusters globose, 6 to 12 lines thick. 



5. 0. decora, Choisy. Flowers fleshy and papillose: clusters close. 



6. O. racemosa, Martins, var. Chiliana, Engelm. Corolla thin. From ChiU. 



SOL AN ACE JE. 



Corolla rotate: anthers connivent around the style : fruit a berry 1 



Corolla rotatC'Campanulate: anthers not connivent: berry enclosed in the loose inflated 

 calyx. May appear in cultivated ground. Fhysalis. 



Corolla tubular-fnnnelform, ^ in. long or less: spiny shrubs , 2 



Corolla funnelform, large: fruit large, covered with spines 3 



Corolla ftmnelform or tubular: capsule small, smooth 4 



Corolla funnelform, 3-5-lines long: limb purple: stamens unequal 5 



1. SOLANXTM, Toumefort. 



Corolla deeply 5-clef t, white or bluish : berries black or red 1, 3 



Corolla only 5-angled or slightly lobed, violet or blue 3, 4 



1. S. nigfTum, L. Herbaceous: leaves mostly ovate, sinuate-toothed, acute. 



2. S. Douglasii, Dunal. Woody -stemmed: flowers 5-8 lines broad, often bluish. 



3. S. Xanti, Gr. Woody at base: hairs jointed: leaves mostly obtuse at base. 



4. S. umbellifeniia, Esch. More woody: hairs branched: leaf -base mostly nairow. 



2. liYCIUM, Linnaeus. 



1, I4. Califomicuxn, Nutt. Leaves fleshy, 1-3 lines long: flower parts in 4*8. 



2. It. Andersoni, Gr. Leaves larger: flowers largei, 5-6 lines long. San Diego. 



3. DATURA. Linnaeus. 



Calyx aoutely 5-angled: fruit erect, ovoid ^,... 1, 2, 8 



Fruit nodding, globose **".... 4 



Calyx scarcely angled: corolla 5 or 6 in. long: fruit nodding globose 6 



1. D. Straraomum, L. Smooth: corolla white: lower prickles of capsule shorter. 



2. D. Tattila, L. Similar: Stems usually purple: corolla pale violet. 



Z, D. quercifolia, HBK. Leaves sinuate pinnatifid: prickles unequal, flat. 



