PLATE XXXI. 



1. KALMIA GLAUCA 



GLAUCOUS KALMIA. 



THIS genus contains plants of the hardy evergreen shrubby 

 kind. 



It belongs to the class and order Decajidria Monogynia, and ranks 

 in the natural order of Bicorncs. 



The characters are: that the calyx is a five-parted perianthium, 

 small, permanent: segments subovate, acute, rather columnar: the 

 corolla one-petalled, salver-funnel-form : tube cylindric, longer than 

 the calyx: border with a flat disk; the margin upright, half-five-cleft: 

 ten nectariferous hornlets projecting outwardly from the corolla, and 

 surrounding it where the border of it is upright: the stamina have 

 ten awl-shaped filaments, upright-spreading, rather shorter than the 

 corolla, inserted into the base of the corolla: anthers simple: the 

 pistillum is a roundish germ : style-thread-form, longer than the co- 

 rolla: bent down: stigma obtuse: the pericarpium a capsule, sub- 

 globose, depressed, five-celled, five-valved, five-partite: the seed 

 numerous. 



The species cultivated are: 1. K.latifolia, Broad-leaved Kalmia; 

 2. K. angustifolia, Narrow-leaved Kalmia; 3. K. glauca, Glaucous 

 Kalmia; 4. K. hirsuta, Hairy Kalmia. 



The first rises with a branching stalk to the height of ten or twelve 

 feet, with very stitf leaves, which are two inches long and one broad, 

 of a lucid green on their upper side, but of a pale green on their 

 under: they have short foot-stalks, and stand without order round 

 the branches: between these the buds are formed for the next year's 

 flowers, at the extremity of the branches; these buds swell during 



