Ericaceae 



705 



11. CHAMAEDAPHNE Moench Yachi-tsutsuji Zoku 



Rather low evergreen shrub; leaves coriaceous, flat, alternate, short-petiolate; flowers small pedicelled, in bracteate racemes 

 in the upper axils of branches; calp:-lobes 5, free, persistent, imbricate in bud, 2-bracteate at base; corolla tubular, 5-toothed, the 

 teeth recurved; stamens 10, included, the anthers opening by short cylindric pores; ovary 5-locular, globose; style columnar; 

 ovules many; capsules depressed-globose, loculicidal, 5-valved; seeds in 2 series in each locule, obtusely angled. One species. 



1. Chamaedaphne calyculata (L.) Moench. Andro- 

 meda calyculata L.; Cassandra calyculata (L.) D. Don 



Yachi-tsutsuji, Horomui-tsutsuji. Shrub, loosely branched, 

 30-100 cm. high with erect to ascending branches; leaves nar- 

 rowly oblong to obovate-oblong, 1-5 cm. long, obtuse to 

 rounded with a mucro at apex, obtuse, subrounded, or acute 

 at base, very short-petiolate, entire or with few obscure teeth 



near tip, with sessile discoid glands on both surfaces; inflo- 

 rescence 4-12 cm. long, with discoid sessile glands, the flowers 

 on one side, on short pedicels; bracts leaflike, the bracteoles 

 smaller than the calyx-segments, subtending the calyx; calyx- 

 segments lanceolate; corolla white, 6-7 mm. long; capsules 



about 4 mm. across. May- June. Bogs; Hokkaido. In 



cooler regions of the N. Hemisphere. 



12. EPIGAEA L. Iwa-nashi Zoku 



Small evergreen trailing or creeping subshrubs; branches coarsely hirsute; leaves alternate, short-petioled, subcoriaceous; flowers 

 in terminal or axillary racemes or fascicles, white to rose-colored, subsessile, with persistent bracts and bracteoles; calyx-lobes 5; 

 corolla infundibuliform or tubular-campanulate, 5-lobed; stamens 10, included, the anthers 2-locular, without appendages, 

 longitudinally dehiscent or opening by pores; ovary 5-locular, hirsute, many-ovuled; capsules depressed-globose, loculicidally de- 

 hiscent, the placentae thickened, fleshy. Two species, one in Japan and another in e. N. America. 



1. Epigaea asiatica Maxim. Parapyrola trichocarpa 



Miq. Iwa-nashi. Prostrate shrub with ascending branches 



10-25 cm. long, with reddish brown gland-tipped hairs; 

 stems slender, woody at base; leaves oblong to ovate-oblong, 4- 

 10 cm. long, 2-4 cm. wide, abruptly cuspidate, cordate, ciliate, 

 deep green and lustrous on upper side, the petioles 5-20 mm. 

 long; racemes terminal, 1-2 cm. long, nodding, the bracts and 



bracteoles 8-10 mm. long, chartaceous, acuminate, ascending, 

 the pedicels short, short-pilose; calyx-lobes chartaceous, nar- 

 rowly ovate, acuminate, 7-8 mm. long, glabrous, ciliolate; 

 corolla tubular-campanulate, pale roseate, about 10 mm. long; 

 styles minutely puberulous; capsules about I cm. in diameter, 

 short-papillate-hairy. Apr.-May. Open woods in moun- 

 tains; Hokkaido (sw. distr.), Honshu. The fruit is edible. 



13. LEUCOTHOE D. Don Iwa-nanten Zoku 



Deciduous or evergreen shrubs; leaves alternate, petiolate, oblong to lanceolate, usually toothed; flowers in racemes, white 

 bracteate and bracteolate; calyx-lobes 5, acute, persistent; corolla ovoid, urceolate, or tubular, with 5 small lobes; stamens 10, 

 the anthers narrowed above, usually ending in 2-4 awns; ovary 5-locular, the ovules many; capsules depressed-globose, loculi- 

 cidally dehiscent, 5-valved, membranous; seeds small, many. About 35 species, in N. and S. America, Madagascar, Himalayas, 



and e. Asia. 



Leaves evergreen, toothed; inflorescence on last year's grow^; corolla tubular, 1.5-2 cm. long; anthers with 4 awns 1. L. /(eisl^ei 



Leaves deciduous, entire; inflorescence on the new growth; corolla urceolate, about 4 mm. long; anthers awnless 2. L. grayana 



1. Leucothoe keiskei Miq. Paraleucothoe \eis\ei 



(Miq.) Honda Iwa-nanten. Glabrous evergreen shrub 



with elongate, often declined branches; leaves thick, lustrous, 

 deep green, narrowly ovate to broadly lanceolate, 5-8 cm. 

 long, 1.5-3 cm. wide, caudate, shallowly toothed, the petioles 

 5-8 mm. long; inflorescence racemose, terminal and axillary, 

 nodding or drooping, 3-5 cm. long; flowers bracteate and 

 bracteolate, the pedicels 1-1.5 cm. long; calyx-lobes broadly 

 ovate, about 2.5 mm. long, subacute, ciliolate; corolla white, 

 1.5-2 cm. long; filaments pilose; capsules erect, 7-8 mm. in 

 diameter, the pedicels curved upward in fruit; styles 1-1.5 cm. 



long. July-Aug. Shaded wet rocky cliffs in mountains; 



Honshu (Kanto, Tokaido, and Kinki Distr.). 



2. Leucothoe grayana Maxim, var. oblongifolia (Miq.) 

 Ohwi. L. chlorantha var. oblongijolia Miq.; Eiibotryoides 

 grayana var. oblongifolia (Miq.) Hara Hanahiri-no-ki. 



Deciduous erect glabrous shrub 30-100 cm. high; leaves elliptic 

 to obovate or ovate-oblong, rarely broadly lanceolate, 3-8 cm. 

 long, 1.5-5 cm. wide, acute to obtuse, ciliate, glabrous or 

 loosely pilose on both sides, sometimes glaucescent beneath, 

 the petioles to 3 mm. long; inflorescence a many-flowered, one- 

 sided, leafy, ascending raceme 5-15 cm. long, the pedicels 3-10 

 mm. long; flowers nodding, pale green; calyx-segments ovate, 

 with few glandular hairs on margin; corolla urceolate, 4-5 

 mm. long; filaments pilose; ovary glabrous to pilose; capsules 



depressed-globose, erect, 4-5 mm. in diameter. July-Aug. 



Sunny slopes in mountains; Hokkaido, Honshu (centr. and n. 

 distr.). 

 Var. grayana. L. grayana var. typica H. Boiss. ; Eubotryoides 



grayana (Maxim.) Hara Hiro-ha-hanahiri-no-ki. Leaves 



larger and broader. Hokkaido, Honshu (n. distr.). 



14. PIERIS D. Don Asebi Zoku 



Evergreen glabrous or puberulent shrubs or small trees; leaves alternate, coriaceous, petiolate, toothed or rarely entire; in- 

 florescence a terminal axillary panicle or raceme, the bracts single, the bracteoles 2 or absent; calyx-lobes 5, valvate in bud, per- 

 sistent; corolla ovoid or urceolate, 5-toothed; stamens 10, the anthers longitudinally dehiscent on upper half, with 2 reflcxed awn- 

 like dorsal appendages at base; ovary 5-locular; capsules loculicidally dehiscent, the valves not thickened on margin; seeds small, 

 many. About 8 species, in e. Asia, Himalayas, and N. America. 



