268 HEATH FAMILY. 



* * Deci(!n(ins-leai-P(l, Kith one-sidrd loosrr rarcnir^ af the ends of the 

 branches ; fluiceriiig in late spring or summer after the membranaceons 

 leaves are developed; bractlets close to the calyx, acute. 



L. racemdsa, Gray. Erect, 4'^-8° high, with oblong, acute, serrulate 

 leaves a little downy beneath, long and upright racemes, and 4-awned 

 anthers. Mass., S. 



10. CASSANDRA, LEATHERLEAF. (A mythological name.) 



C. calyculata, Don. Wet bogs N. and mostly E. ; low, much-branched 

 shrub, with small and nearly evergreen dull oblong leaves sprinkled with 

 some fine scurf or scaly atoms, and small white flowers in the axils of the; 

 ujiper leaves, fornnug one-sided leafy racemes, in early spring. Common. 



11. KALMIA, AMERICAN or MOUNTAIN LAUREL. (Named for 

 Peter Kalm, pupil of Linnaeus, v?ho traveled in this country before the 

 middle of the last century.) Ornamental shrubs, scarcely found W. 

 Flowers spring and early summer. 



K. latifdlia, Linn. Large Moi.xtain L. ; also Cali<<> Ri su, Si-oon- 

 AvooD, etc., in Middle States. Common N. in damp grounds and along 

 the mountains S., where it forms very dense thickets, 4°-10^ or even 20° 

 high, with mostly alternate lance-ovate leaves, bright green both sides ; 

 the large and showy clusters of rose-color or white or crimson-spotted 

 flowers terminal and clammy, in early summer. Planted. 



K. angustif6lia, Linn. Sheep L., Lambkill. 2°-3° high, with narrow- 

 oblong, short-petioled leaves opposite or in threes and pale beneath, and 

 corymbs of smaller crimson-purple flowers lateral (in late spring), their 

 pedicels recurved in fruit. N., S. to Ga. 



K. glatica, Ait. Cold bogs N. ; l<^-2° high, with I'-edged branches, 

 opposite, sessile, oblong or linear leaves white beneath and with revolutc 

 margins, the corymbs of lilac-purple flowers terminal, in sjiring. 



12. RHODODENDRON, ROSKBAV, AZALEA. (The name in 

 Greek means rose tree.) Very ornamental shrubs or small trees, the 

 fancy varieties much confused as to species. 



* Trite Azaleas or False HoN'EYSfCKLEs, xoith deciduous Irarrs, slen- 

 der cylindrical tube to the corolla, the chiefly 5 stamois n)id tlie sti/le 

 long and protruded ; hardy ornamental shruhs. 



H- Ftou-ers developed later than the leaves, in summer, venj fragrant. 



R. viscdsum, Torr. White Swamp HoNEysicKLi:. 4°-10'^ high, 

 with bristly branchlets, oblong-obovate, mostly smooth leaves commonly 

 ]iale or whitish beneath, often glossy above, and white or rosy-tinged 

 very clammy flowers. Swamps E. and S. 



•t- -1- Plovers developed irith or rather before the thin and rciny mostly 

 pubescent leaves, in late spring. 



R. nudifl6rum, Torr. Pirple A. or Pinkster Flower. Swamps and 

 woods, chiefly E. and S., also cult. ; 3°-()° high, with oblong or obovate 

 leaves ; branchlets and narrow tube of the rose or pink-red corolla rather 

 glandular-pubescent, and calyx very small ; slightly fragrant. 



R. calendulaceum, Torr. In and near the Alleghanies, especially S., 

 and cult.; has yellow or flame-colored corolla and larger calyx lobes than 

 the preceding ; not fragrant. 



/?. flatirum, Don. f Azalea Pontic a.) Planted from the Old World, a 

 native of the Caucasus; has large (2' or more broad) golden or orange- 



