706 Ericaceae 



1. Pieris japonica (Thunb.) D. Don. Andromeda ja- flowers white, nodding, short-pedicellate; calyx-segments 

 ponica Thunb. Asebi. Shrub 2-4 m. high; leaves thick, broadly lanceolate; corolla 6-8 mm. long; filaments short- 

 broadly oblanceolate, 3-8 cm. long, 1-2 cm. wide, lustrous, pilose; capsules depressed-globose, erect, 5-6 mm. in diameter. 



deep green, serrulate, glabrous, the petiole short; inflorescence Apr.-May. Sunny hills; Honshu, Shikoku, Kyushu; 



pendulous, densely many-flowered, minutely puberulent; rather common. 



15. LYONIA Nutt. Nejiki Zoku 



Evergreen or deciduous shrubs or small trees, the branches sometimes angled; leaves alternate, petiolate, entire or serrulate, 

 sometimes scaly-pubescent; inflorescence terminal; flowers in axillary fascicles, racemes, or panicles, the bracts single, the bracteoles 

 2 or absent; calyx 4- to 8-lobed, the lobes valvate in bud, persistent; corolla ovoid, urceolate, or tubular-campanulate, short- 

 toothed; stamens 8-16, the filaments with or without 2 short appendages near the top, the anthers obtuse, without appendages, 

 opening by pores; capsules subglobose or ovoid, loculicidally dehiscent, the valves thickened and ligneous on margin; seeds 

 small. About 30 species, Himalayas, e. Asia, and N. America. 



1. Lyonia ovalifolia (Wall.) Drude var. elliptica abruptly acuminate, rounded to subcordate at base, white- 



(Sieb. & Zucc.) Hand-Mazz. Andromeda elliptica Sieb. & pilose beneath especially near base; racemes 3-6 cm. long, few- 



Zucc; Pieris ovalifolia sensu auct. Japon., non D. Don; P. leaved toward the base, from axillary buds of the last year's 



ovalifolia var. elliptica (Sieb. & Zucc.) Rehd. & Wils.; P. shoots, the bracts and bracteoles caducous, the pedicels short; 



elliptica (Sieb. & Zucc.) K. Koch; L. elliptica (Sieb. & Zucc.) calyx-lobes ovate, acute; corolla white, tubular-urceolate, 8-10 



Okuyama; L. nezi\i Nakai & Hara Nejiki. Small de- mm. long, loosely puberulent; ovary sparsely pilose; capsules 



ciduous tree or large shrub with smooth yellow-brown bark 3^ mm. in diameter, glabrous. June. Hills and low eleva- 



and terete branches; leaves chartaceous, broadly ovate, ovate- tions in the mountains; Honshu, Shikoku, Kyushu; common, 



elliptic, or narrowly ovate-oblong, 6-10 cm. long, 2-6 cm. wide, Formosa and China. 



16. ANDROMEDA L. Hime-shakunage Zoku 



Small bog shrubs; stems erect, simple or sparsely branched; leaves coriaceous, alternate, short-petiolate, broadly linear to lan- 

 ceolate, entire and revolute, glaucous beneath; flowers small, white to rose-colored, pendulous, few in terminal sessile umbels, 

 the pedicels bracteate and 2-bracteolate; calyx deeply 5-fid, valvate, the lobes ovate, acute; corolla urceolate, 5-toothed; stamens 

 10, the anthers with 2 reflexed awns at apex; ovary 5-locular, many-ovuled; capsules subglobose, loculicidally dehiscent; seeds 

 small, obtuse. Two species, in bogs of the N. Hemisphere. 



1. Andromeda poUfolia L. Hime-shakunage. Small long, the pedicels erect, 1-2 cm. long, slender, usually reddish; 



glabrous, glaucous shrub, 10-30 cm. high, the ascending stems capsules 3-4 mm. across, ovate-globose. ^May-July. Bogs; 



sparingly branched; leaves broadly linear to oblong-lanceolate, Hokkaido, Honshu (centr. and n. distr.). ^Widely dis- 



1.5-3.5 cm. long, 3-7 mm. wide, acute, very short-petiolate, tributed in the cooler regions of the N. Hemisphere, 

 with recurved margins, glaucous beneath; corolla 5-6 mm. 



17. ENKIANTHUS Lour. Dodan-tsutsuji Zoku 



Usually deciduous or sometimes evergreen shrubs; leaves oblanceolate to ovate-elliptic, serrulate or entire; flowers small, 

 pendulous, in umbels or corymbose-racemes, white to red; calyx 5-fid, the segments persistent; corolla urceolate to campanulate, 

 5-toothed, the teeth entire or laciniate, the tube rounded or with 5 gibbosities at base; stamens 10, the anthers ventrally dehiscent 

 with 2 awnlike dorsal appendages on back near apex; ovary 5-locular; ovules few in each locule; capsules ellipsoidal, loculicidally 

 dehiscent; seeds few, oblong, rather large, often winged on the margins. ^More than 10 species, in e. Asia and the Himalayas. 



lA. Flowers in umbels, before or with the leaves; corolla with 5 gibbosities at base, the lobes entire I.E. perulatus 



IB. Flowers in racemes after the leaves. 

 2A. Corolla urceolate; capsules pendulous; seeds wingless. 



3A. Racemes white-pilose 2. E. subsessilis 



3B. Racemes glabrous 3. E. nudipes 



2B. Corolla campanulate; capsules erect; seeds winged. 



4A. Corolla-lobes entire 4. E. campanulatus 



4B. Corolla-lobes irregularly laciniate 5. £. cemuus 



1. Enkianthus perulatus (Miq.) C. K. Schn. Androm- about 2 mm. long, glabrous; corolla pale green, ovoid-urceolate, 



eda perulata Miq.; E. japonicus Hook, f.; E. perulatus var. about 8 mm. long, the pedicels 1-2 cm. long, glabrous, re- 



japonicus (Hook, f.) Nakai Dodan-tsutsuji. Much- curved in flower, erect in fruit; capsules narrowly oblong, 



branched deciduous shrub with glabrous branchlets; leaves erect, about 8 mm. long. Apr. Honshu (Izu, Tokaido 



obovate or elliptic-ovate, 2-4 cm. long, 1-1.5 cm, wide, ab- Distr.), Shikoku, Kyushu. Frequently cultivated, 



ruptly acute, cuneate at base, serrulate, glabrous, the midrib 2. Enkianthus subsessilis (Miq.) Makino. Andromeda 



puberulous on upper side, white-puberulent beneath, the peti- subsessilis Miq.; A. nil{pensis Maxim.; E. nil{pensis (Maxim.) 



oles 5-8 mm. long; calyx-lobes linear-lanceolate, acuminate, Makino; Meisteria subsessilis (Miq.) Nakai; Tritomodon sub- 



