184 PRACTICAL BOTANY. 



petioled, oblong-lanceolate, serrulate. Flowers white, 3 

 lines long, in terminal panicles of slender racemes. Pod ob- 

 long pyramidal. Oxydendron arboreum, D. C. 

 Shrubs. Anther-cells often awned 430 



430. Corolla cylindrical, white 431 



Corolla urn-shaped, globular, or ovoid-oblong. 



Anthers mostly awned, fixed near the middle. Flowers 

 commonly white, umbelled, clustered, or in panicled ra- 

 cemes. Shrubs ^10 feet high. Andromeda. 



431. Calyx 5-parted, with 2 bractlets at the base. An- 

 thers awnless. Pericarp of 2 layers — the outer 5-, the inner 

 10-valved. Leaves coriaceous, obscurely serrulate, ferrugi- 

 nous underneath, oval-oblong. Flowers in about 25-flower- 

 cd, almost 1-sidcd, leafy terminal racemes. Shrub 2-4 feet 

 high. Oassajidra calyculata, Don. 



i^Andromeda calyciUata, L.) 



Calyx of 5 sepals, naked. Pericarp simple ; valves 



5. Anthers awned, or naked. Leaves petioled, serrulate, 



the teeth sometimes ciliatc or spinulose. Flowers Bcaly- 



bracted, in dense, axillary, or terminal spikes, or racemes. 



Leucothoe, Don. 

 (A7idromeda, L.) 



439. Flowers 4-parted, 8-androus, in terminal panicles, 

 slender-pedicelled, nodding. Leaves deciduous, tipped with 

 a gland, alternate. Shrub, 4 feet high. 



Menziesia ferruginea, Smith. 

 Flowers 5-parted, 10-androus, at the end of the 

 branches, pedicelled, nodding. Leaves evergreen, linear, ob- 

 tuse, rough-margined. Procumbent, 6 to 10 inches long. 



Phyllodoce taxifolia, Salisb. 

 {3Ie7iziesia, Robbins.) 



433. (423.) Anthers 2-horned on the back, opening 

 lengthwise. Calyx 5-parted. Corolla ovate, with 5 reflexed 

 teeth, withering-persistent. Flowers in a loose raceme. 



Pterospora Andromedea, Nutt. 



Anthers opening at the top. Calyx of 5 erect 



scaly sepals. Corolla broadly bell-shaped, 5-lobed, slightly 



5-gibbous at the base. Flowers in a short spike, exhaling 



the fragrance of violets. Schvreinitzia odorata, Eli. 



