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CHAP. LXIX, ^RICA CE^. 1077 



dages at the base : their cells end in a point, and open lengthwise. Stigma 

 capitate. " Capsule concealed by the inflexed, permanent calyx, orbicular, 

 a little depressed, with 4 furrows, 4 simple valves, and 4 cells ; the partitions 

 simple, flat, alternate, and unconnected with the valves, fixed vertically to a 

 large, ovate, pitted, permanent, central column." {Smith, Eug. Flora, ii. 

 p. 224.) Leaves arrow-shaped at the base, obtuse at the tip ; in transverse 

 section triangular, imbricate in 4 rows, 



§ ii. Androme'd£.e. Corolla deciduous. Stamens, in most, 7iot protruded 

 beyond the Corolla. 



A. The following 7 Genera have all been instituted otit of the Genus Andromeda; 

 and all have 10 Stamens, 1 Pistil, and Fruit that has a loculicidal Dehiscence. 



Andro'med,4 L. Calyx with 5 acute segments. Corolla globose, with a con- 

 tracted, 5-toothcd mouth. Filaments bearded. Anthers with short, 

 1-awned cells. Stigma truncate. Leaves linear-lanceolate. Flowers in 

 terminal, umbel-like groups. 



Cassi^op£ D. Don. Calyx with 5 leafy segments, imbricate at the base. Co- 

 rolla bell-shaped, 5-cleft. Filaments glabrous. Anthers with short, tumid, 

 1-awned cells. Style dilated at the base. Stigma obtuse. Capsule with 

 its valves bifid at the tip. Small heath-like shrubs. Leaves imbricate. 

 Flowers solitary, 



Cassa'ndr-J D. Don. Calyx with 2 bracteas at its base ; its segments 5, leafy, 

 imbricate at the base. Corolla oblong, with a contracted 5-toothed mouth. 

 Filaments glabrous. Anthers with cells elongated at the tip, and tubular 

 there. Stigma annulated. Leaves with short petioles, and elliptic oblono- 

 disks, that have peltate scales on both surfaces. Flowers axillary, disposed 

 as if in racemes along the terminal parts of the branches, 



Zeno^b/.^ D. Don. Calyx 5-toothed. Corolla bell-shaped, with a revolute 

 5-lobed limb. Filaments glabrous. Anthers with cells elongate, tubular, 

 and 2-awnedat the tip. Stigma truncate. Leaves dilated, with the margins 

 usually toothed. Flowers in racemes. 



Lyo^n/.j Nutt. Calyx 5-parted, Corolla ovate or tubular, with a contracted, 

 5-toothed mouth. Filaments short, flat, downy. Anthers with membra- 

 nous cells that open lengthwise. Style 5-cornered, Stigma obtuse. Capsule 

 5-cornered, Flowers for the most part terminal, disposed in racemose panicles, 



Leuco'tho^ D, Don. Calyx with 5 leafy segments, imbricate at the base. 

 Corolla tubular, toothed. Filaments flat, downy. Anthers with short trun- 

 cate cells. Stigma large, capitate. Flowers white : in racemes, 



Pi^ERis D. Don. Calyx 5-parted. Corolla tubular or ovate, with a con- 

 tracted, 5-toothed, revolute mouth. Filaments dilated, furnished with 2 

 bristles at the tip. Anthers with short incumbent cells that open length- 

 wise. Style 5-cornered, Stigma truncate. Leaves coriaceous. Flowers 

 drooping, terminal, racemose, 



B, Capsule with the Dehiscence sej)ticidal. 



Phyllo'doc£ Sal, Calyx with 5 segments. Corolla globose, with a contracted, 

 5-toothed mouth. Stamens 10, not protruded out of the corolla. Filaments 

 slender, glabrous. Anthers with short, trimcate cells. Stigma peltate with 

 5 tubercles, 



DabceV/.j D, Don, Calyx with 4 segments. Corolla oval, inflated j its mouth 

 4-toothed, Stamens 8, enclosed. Filaments dilated, glabrous. Anthers 

 linear, sagittate at the base, their cells parallel, loosened at the apex, open- 

 ing lengthwise. Stigma truncate. Capsule 4-celled, 



C, Calyx and Corolla each with 5 Segments. Stamens 10, not prol7'uded 

 beyond the Corolla. 



yi'RBUTUS Camcr. Corolla globose or ovate, with a small reflexed bonier. 

 Anthers compressed at the sides, opening at the tip by 2 pores, fixed by the 



4 B 4 



