Lyo?iia ERICACEAE-MYRSINACEAE Ardisia 



pores; ovary superior: fr. a globose or ovoid loculicidally dehiscent capsule with 

 thickened sutures. 30 species, in North America, West Indies, Asia; 1 in China. 

 (Named for John Lyon, American botanist who died about 1818.) 

 1. Lyonia ovalifolia (Wall.) Drude (R.M. 734). Half -evergreen shrub or tree, to 12 



m.; fls. white, V-VII; fr. IX-X. Himalayas, China, Japan; locally in An., Che., 



Hun., Hup., Ki., Ku. Forest. Fig. 282. 



5. Vaccinium Linn. Blueberry MfSHI (Yueh Chu Shu) 



Shrubs or rarely small trees with alternate lvs. and 4-5-merous fls. ; corolla cylind- 

 ric, urceolate or campanulate; stamens 8-10, anthers opening at the top; ovary in- 

 ferior, 4-10-celled: fr. many seeded, berry -like, croivned by the persistent calyx teeth. 

 130 species, in the northern hemisphere; 20 in China. (The old Latin name.) 



Key to the Species 

 Bracts of the fls. lfy., ovate-lanceolate, 5-15 mm. long, persistent; corolla 



puberulent: fr. puberulent when young, becoming glaucous 1. V. bracteatum 



Bracts of the fls. linear or narrowly lanceolate, to 6 mm. long, caduc- 

 ous; corolla glabrous: fr. not glaucous. 

 Fr. pubescent: brts. densely brown-tomentulose, becoming glabrescent: 



axes of infl. and calyces pubescent 2. V. iteophyllum 



Fr. glabrous: brts. usually glabrous, rarely gray-puberulent: axes of 



infl. and calyces glabrous 3. V. sprengelii 



1. Vaccinium bracteatum Thunb. ^Mfi (Pao Yueh Chii) (R.M. 754). Shrub, to 

 1.5m.; fls. reddish, VI-VII; fr. blue-black, glaucous, IX. Japan, China; locally 

 in An., Che., Hun., Hup., Ki., Ku. Brushland, woodland. Fig. 283. 



2. Vaccinium iteophyllum Hance (ASNP IV. 18:223). Shrub, to 2m.; fls. white, 

 IV-V; fr. red, pubescent, VIII-IX. South China; locally in An., Che. Thickets. 



3. Vaccinium sprengelii (Don) Sleumer (V. donnianum Wight, V. mandarinorum 

 Diels) %Wfc (Mi Fan Hua; Cooked-rice Flower) (R.M. 754). Shrub or tree, to 

 8m.; fr. black, glabrous, VIII-IX. Himalaya, south China; locally in An., Che., 

 Hun., Hup., Ki., Ku. Woodland, forest. 



136. MYRSINACEAE Myrsine Family £|<fe^# (Tzu Chin Niu K'o) 



Trees or shrubs with alternate estipulate coriaceous usually punctate lvs. and 

 regular perfect or unisex-ual 4-5-merous fls.; calyx herbaceous; corolla usually gamo- 

 petalous; stamens 5, opposite the corolla lobes, and inserted on the corolla tube; style 

 and stigma one : ovules imbedded in the fleshy free central placenta ; fr. a drupe or 

 berry. 32 genera with 1,000 species in tropical and subtropical countries; 6 genera 

 and 65 species in China. 



Additions and corrections to the treatment of Myrsinaceae have been contributed by 



Dr. Egbert H. Walker. 



Key to the Genera 

 A. Ovary and fr. wholly superior, without bracteoles; seed solitary, globose. 

 Corolla lobes twisted in the bud; infl. paniculate, corymbose or subum- 



bellate 1. Ardisia 



Corolla lobes imbricate or valvate, not twisted in the bud; infl. racemose 

 or fasciculate. 



Infl. of axillary racemes 2. Embelia 



Infl. umbellate or fasciculate on short lateral spurs 3. Myrsine 



AA. Ovary and fr. semi-inferior, with a pr. of bracteoles at base or on the pedi. 



eel; seeds numerous, angular 4. Maesa 



295 



