92 SOLANACEE. 
Stems slender, low, growing on salt-marsh plants..........-+ Deldinidig sews Sasenseeeeee e 
Stems coarser: corolla much exceeding the calyx, 24 to 4 lines long.......cccecoereone & 
Stems coarse: corolla lobes acute, usually inflexed..... eicluinveantavareeraietere seccscsee 8, 6 
1, ©. arvensis, Beyrich. Flowers scarcely a line long in dense clusters. 
2. ©. Californica, Choisy. Calyx lobes acute: corolla lobes slender. 
3. GO. salina, Engelm. Delicate white flowers 14-24 lines long, 
4. ©. subinclusa, D. & H. Flower clusters globose, 6 to 12 lines thick. 
5. ©. decora, Choisy. Flowers fleshy and papillose: clusters close, 
6 ©. racemosa, Martius, var. Chiliana, Engelm. Corolla thin, From Chili, 
SOLANACEE. 
Corolla rotate: anthers connivent around the style: fruit a berry. Piseveveeeresecces 2 
Corolla rotate-campanulate: anthers not connivent: berry enclosed in the loose inflated 
calyx. May appear in cultivated ground. Physalis, 
Corolla tubular-funnelform, 4 in. long or less: spiny shrubs..... sibyevaisisiaesidin aieisiaaiecsiayes-0e) 
Corolla fannelform, large: fruit large, covered with spines......... scaieasiduieeaseecee 
Corolla funnelform or tubular: capsule small, smooth .............4. bh ema ae Ree 4 
Corolla funnelform, 3-5-lines long: limb purple: stamens unequal......0..-e-eseecees B 
1. SOLANUM, Tournefort. 
Corolla deeply 5-cleft, white or bluish: berries black or red.......- sceccvcccesres 1, B 
Corolla only 5-angled or slightly lobed, violet or blue..... ecaiete e's ties bd oieeielang a. 3,4 
1. 8. nigrum, L. Herbaceous: leaves mostly ovate, sinuate-toothed, acute. 
2. 8. Douglasii, Dunal. Woody-stemmed: flowers 5-8 lines broad, often bluish. 
3. 8. Xanti, Gr. Woody at base: hairs jointed: leaves mostly obtuse at base. 
4, 8. umbelliferum, Esch. More woody: hairs branched: leaf-base mostly narrow. 
2. LYCIUM, Linnezus. 
1. L. Californicum, Nutt. Leaves fleshy, 1-3 lines long: flower parts in 4’s, 
2. L. Andersoni, Gr. Leaves larger: flowers larger, 5-6 lines long. San Diego. 
3. DATURA, Linnzus, 
Calyx acutely 5-angled: fruit erect, ovoid..... sian esas Da siete neweana eneieisaie: hy. Se 
Fruit nodding, globose...... sired sbergiea Tae eee ete ele 4 
Calyx scarcely angled: corolla 5 or 6 in. long: fruit nodding globose, ..............008 5 
_ iL D. Stramonium, L. Smooth: corolla white: lower prickles of capsule shorter. 
g, D. Tatula, L. Similar: Stems usually purple: corolla pale violet. 
8 D. quercifolia, HBK. Leaves sinuate pinnatifid: prickles unequal, flat. 
