566 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



2. Stachys rothrockii A. Gray, Proc. Amer. Acad. 12: 82. 1876. 



Typk locality: Zuui, New Mexico. Type collected by Rothrock (no. 177). 

 Range : Western New Mexico and adjacent Arizona. 



New Mexico: Zuni; Ojo Caliente; mesa south of Atarque de Garcia. Upper 

 Sonoran Zone. 



3. Stachys scopulorum Greene, Pittonia 3: 342. 1898. 

 Type locality: "Colorado Rocky Mountains." 



Range: Alberta and Minnesota to Arizona and New Mexico. 



New Mexico: Dulce; mountains west of Grants; Middle Fork of the Gila; Santa 

 Fe and Las Vegas mountains; White and Sacramento mountains. Damp slopes and 

 along streams, in the Transition Zone. 



126. SOLANACEAE. Nightshade Family. 



Annual or perennial herbs or shrubs with alternate or opposite, exstipulate, simple 

 or compound leaves; flowers perfect, mostly regular; inflorescence various; calyx 

 commonly of 5 more or less united sepals; corolla gamopetalous, more or less 5-lobed, 

 mostly plicate in bud; stamens 5, inserted on the tube and alternate with the lobes 

 of the corolla; style and stigma single; ovary mostly 2-celled, many-ovuled, with 

 a central placenta; fruit a berry or capsule. 



key to the genera. 

 Fruit a capsule. 



Capsules spiny in fruit; seeds flattened 1. Datura (p. 567). 



Capsules not spiny; seeds not flattened. 



Flowers racemose; sepals united; stems erect; 



flowers white or yellow 2. Nicotiana (p. 567). 



Flowers solitary in the axils; sepals nearly 

 distinct; stems spreading; flowers pur- 

 plish red 3. Petunia (p. 568). 



Fruit a berry, sometimes dry at maturity. 



Shrubs; corolla lobes little if at all plicate, val- 



vate 4. Lycium (p. 568). 



Herbs; corolla plicate. 



Fruiting calyx bladdery -inflated, inclosing 

 the fruit, more or less 5-angled. 



Corolla rotate, violet or purple 5. Quincula (p. 569). 



Corolla funnelform, open campanula te, 

 or urceolate, yellowish or green- 

 ish, sometimes merely tinged with 

 violet. 

 Corolla minutely toothed on the con- 

 stricted orifice, urceolate 6. Margaranthus (p. 569). 



Corolla not toothed, mostly open- 



campanulate or funnelform 7. Physalis (p. 570). 



Fruiting calyx not bladderj^-inflated. 



Calyx not inclosing the berry 8. Solanum (p. 572). 



Calyx closely investing the berry. 



Stamens dissimilar, declined; prickly 



annuals 9. Androcera (p. 574). 



Stamens alike, not declined; low 



unarmed perennials 10. Chamaesaracha (p. 574). 



The tomato, Lycopersicum esculentum, frequently escapes from cultivation and 

 persists for some time. 



