GARDEN BOTANY. Lsd 



or at the summit of the stem, drooping, on very short peduncles ; calyx 

 bristly ; corolla 1' or so long, campanulate. 



C. rapunculoides. A slender smoothish perennial, with the stem- 

 leaves ovate-lanceolate and acuminate ; flowers single in the axils of small 

 bracts, forming a terminal raceme; corolla oblong-campanulate, about 1'long. 



C. per sic 86 folia. A smooth perennial; slender stems 1 or 2 high; 

 root-leaves lance-obovate, stem-leaves lance-linear ; flowers few in a terminal 

 raceme ; corolla large, open-campanulate. 



C. Carpatllica. Smooth perennial, forming a large tuft on the ground ; 

 slender stems branching, 6' to 10' high, leaves round-cordate or ovate, toothed, 

 petioled ; peduncles terminal and axillary, slender, 1-flovvered ; corolla broadly 

 campanulate, 1' long. 



C. pyramidalis. Not quite hardy, cultivated as a biennial, smooth ; 

 lower leaves cordate, upper ones oblong-lanceolate ; stem producing a long 

 pyramidal panicle of very many flowers ; corolla widely expanded and 

 deeply 5-cleft. 



C. grandiflora, a low, hardy, very smooth perennial, with ovate-lance- 

 olate coarsely serrate leaves, and few or solitary terminal flowers, the large 

 corolla balloon-shaped in bud, 5-lobed and widely expanded when it opens, 

 makes the genus Platycodon, its pod opening at the top instead of on the 

 sides. 



ORDER EBICACE^. HEATH FAMILY. 



Manual, p. 245. The cultivated species to be added all belong \n the 

 suborder Ericinece, the proper Heath Family. Many of our wild one* are 

 planted as ornamental shrubs. 



Corolla withering on the receptacle instead of soon falling off, 



Deeply 4-cleft, shorter than the calyx 1. CALLUNA. 



Only 4-toothed or 4-lobed, of various shapes 2. ERICA. 



Corolla deciduous after flowering. (Buds scaly.) 



Leaves thin and deciduous : stamens commonly 5. ... 3. AZALEA. 



Leaves coriaceous, persistent : stamens usually 10. ... 4. RHODODENDRON 



1. Calluna vulgaris, SCOTCH HEATHER, is seldom cultivated except as 

 a greenhouse plant, along with true Heaths. A patch has recently been dis- 

 covered wild in Tewksbury, Mass. 



2. Erfca, HEATH. The Heaths fa few of which are from Europe, but a 

 vast number from the Cape of Good Hope) belong not to common, but only 

 to choice cultivation : we cannot enumerate the many species which adorn 



mservatories. 



Azalea. Man. p 217. Besides the wild species, there is one tender and 

 one hardy ext jic. 



A. Pontica. A hardy shrub, with large and clammy yellow flowers, pre- 

 ceding the pubescent leaves. 



A. Indica, CHINESE AZALEA, A common greenhouse species, with the 

 flowers (purple, red, rose, white, &c.) later than the leaves; sepals green in- 

 stead of scale-like, and the stamens ccromonly 10. 



4. Rhododendron, Man. p. 257. Besides our wild ones, Nos. 1 and 2 : 



R. punctatum, of the Southern Alleghanies : a much-branched shrub, 

 with slender and drooping branches, small leaves dotted wi f h rusty globules 

 and fine rose-colored flowers, in June. 



