FAMILY KEY 15 



G. Petals yellow, 10-15 mm. long; leaves sometimes lanceolate, mostly 

 acicular and about 12 mm. long. Ulex in Leguminaceae (p. 135) 



GG. Petals none; leaves linear to obovate, 12-37 mm. long. 



Chenopodiaceae (p. 83) 



GROUP 7 — Shrubs with alternate simple evergreen leaves 

 and without spines or prickles on the branches 



A, Staminate flowers in aments; fruits in an ament-Iike cluster, or composed of a nut 

 (acorn) in an involucral cup, or composed of 1-3 nuts in a very spiny involucral 

 covering. 



B. Leaves oblanceolate, mostly serrate near the tip, not scurfy beneath; fruits in 



an ament-like cluster. Mykicaceae (p. ,73) 



BB. Leaves either not oblanceolate, or else scurfy beneath and the margin entire^ 



Fagaceae (p. 75) 

 AA. Flowers not in aments; fruit not as above. 

 C. Petals none or distinct to the base. 

 D. Sepals 3 or 6; petals 3 or none; leaves with only i chief vein from the base. 



E. Leaves not aromatic, linear-oblong, crowded, obtuse, 4-8 mm. long, revolute 

 at margin; stamens 2-4; ovaries 2 to several; drupe 4-6 mm. long; plant 

 1-4.5 dm. high. Empetraceae (p. 146) 



EE. Leaves very aromatic, lanceolate-oblong, acute, rounded to acute at base, 

 S-io cm. long, not revolute at margin; stamens 9; ovary i; drupe 20-25 

 ■ mm. long; plant 3-21 m. high. Laueaceae (p. 104) 



DD. Sepals 4-5; petals 4-5 or none. 



F. Petals none; stamens 15-25; fruit an akene, with a hairy tail 5-10 cm. 

 long. Cercocarpus in Rosaceae (p. 125) 



FF. Petals present; stamens 10 or fewer; fruit either fleshy or a capsule, not 

 tailed. 

 G. Leaves either densely woolly beneath, or with red hairs on the petiole and 

 the veins beneath. Ledum in Ericaceae (p. 171) 



GG. Leaves not woolly beneath, glabrous or nearly so. 

 H. Shrub 7.5-30 cm. high; leaves sharply serrate; stamens 10; ovary 

 5-celled. Chimaphila in Pyeolaceae (p. 169) 



HH. Shrub taller; leaves entire or serrulate; stamens 4-5; ovary 2-4- 

 celled. Rhamnaceae (p. 149) 



CC. Petals and sepals both present; petals more or less united into i piece. 

 ^ I. Ovary inferior; leaves oval to ovate, 2.5 cm. or less long, not densely crowded. 



Vacciniaceae (p. 174) 



n. Ovary superior; leaves often not agreeing with the above. 



J. Leaves lanceolate, 7.5-15 cm. long; corolla purple, 10-13 mm. long, tubular 



or funnelform. Eriodictyon in Hydrophyllaceae (p. 185) 



JJ. Leaves either not lanceolate or else smaller; corolla not as above in all 



points. Ericaceae (p. 171) 



