MINT FAMILY 753 



villous; teeth lanceolate; corolla pink or rose-colored, rarely white, pubescent. 

 Wet places: B.C. Ida. Calif. Submont. Je-Au. 



3. M. occidentalis Rydb. Stem 3-6 dm. high; leaf-blades ovate or ovate- 

 lanceolate, short-acuminate, strongly serrate, 4-8 cm. long, minutely pubescent 

 on both sides or in age glabrate; calyx about 3 mm. long, pilose; teeth lanceolate, 

 acute or acuminate, longer than broad; corolla white or pink, its lobes oblong, 

 obtuse. Wet places: Wash. Alta. Ida. Submont. Jl-Au. 



4. M. glabrior (Hook.) Rydb. Stem 3-6 dm. high, glabrate or minutely 

 puberulent on the angles; leaf -blades ovate, elliptic or lanceolate, acute, serrate, 

 glabrous or nearly so; calyx 3 mm. long, finely pubescent; lobes triangular- 

 lanceolate, acuminate, slightly longer than broad ; corolla narrowly campanulate, 

 4 mm. long. M. canadensis glabrata Benth. Wet places: Me. Pa. Colo. 

 Mont. Plain Submont. Jl-Au. 



5. M. Penardi (Briq.) Rydb. Stem 2-4 dm. high, short-pubescent especially 

 on the angles; leaf -blades ovate-elliptic or ovate-lanceolate, 2-5 cm. long, serrate, 

 acute; calyx about 3 mm. long, softly pilose; teeth lanceolate, acute; corolla 

 usually pink, 4 mm. long. Wet places, among bushes: Neb. N.M. Utah 

 B.C. Mack. Submont. Je-Au. 



6. M. rubella Rydb. Stem 1-2 dm. high, more or less purple, finely puberu- 

 lent, with short retrorse hairs; leaf -blades ovate, 1-3 cm. long, finely puberulent 

 and glandular-punctate, finely serrate; calyx 2-2.5 mm. long, puberulent; teeth 

 triangular-lanceolate, acuminate; corolla 4-5 mm. long, light rose. Wet places, 

 especially around hot springs: B.C. Alta. n Wyo. Submont. Mont. Jl-Au. 



FAMILY 116. SOLANACEAE. POTATO FAMILY. 



Herbaceous plants or rarely shrubs, with narcotic or stimulant proper- 

 ties. Leaves alternate, without stipules. Flowers perfect, usually regular. 

 Calyx of 5 (rarely 4 or 6) more or less united sepals, mostly persistent. 

 Corolla hypogynous, rotate, campanulate, funnelform, or salverform; limb 

 mostly lobed. Stamens 5, rarely 4 or 6, fertile; filaments adnate to the tube 

 of the corolla and alternate with its lobes; anthers introrse, opening length- 

 wise or by pores. Gynoecium usually of 2, rarely 3-5, united carpels; ovary 

 2- (rarely 3-5-) celled; style terminal; stigma entire. Ovules and seeds 

 numerous, amphitropous. Fruit a berry or capsule. Seeds crustaceous, 

 often tuberculate, flattened; endosperm copious, fleshy. 



Fruit a berry. 



Corolla plicate; lobes usually induplicate ; all our species herbs or vines. 

 Calyx inflated and bladder-like in fruit. 



Corolla open-campanulate, yellow or whitish, often with a darker center; 



seeds finely pitted; flowers nodding in anthesis. 1. PHYSALIS. 



Corolla rotate, violet or purple; seeds rugose-tuberculate; flowers erect in 

 anthesis. 2. QUINCULA. 



Calyx not bladder-like inflated in fruit. 



Stamens "alike, not~inclined ; low unarmed perennials. 3. CHAMAESARACHA. 



lyx ] 

 Cal 



yx closely investing the ber 



Stamens dissimilar, declined; prickly annuals. 4. ANDROCERA. 



Calyx not inclosing the berry. 



Anthers short, opening by a terminal pore or short slit. 5. SOLANUM. 

 Anthers long, tapering to the summit, opening longitudinally. 



6. LYCOPERSICON. 



Corolla little if at all plicate; its lobes valvate; shrubs. 7. LYCIUM. 



Fruit a capsule. 



Capsule circumscissile near the top, which separates as a lid; corolla irregular. 



8. HYOSCYAMUS. 

 Capsule opening by valves; corolla regular. 



Capsule prickly; seeds flat. 9. DATURA. 



Capsule not prickly; seeds scarcely flattened. 10. NICOTIANA. 



1. PHYSALIS L. GROUND CHERRY, STRAWBERRY TOMATO, TOMATILLO. 



Annual or perennial herbs. Leaves alternate, entire or sinuately toothed. 

 Pedicels usually solitary from the axils of the leaves. Calyx campanulate, 5- 

 lobed, accrescent and becoming bladder-like in fruit, 5-angled or prominently 



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