Eurya 



THEACEAE-GUTTIFERAE 



Hypericum 



solitary or in axillary clusters, on pedicels shorter than the fls.; sepals and petals 5; 

 anthers glabrous, basifixed: fr. a berry. 35 species, warm parts of Asia and America; 

 15 in China. (Greek: cunts, broad, referring to the broad sepals and petals.) 



1. Eurya nitida Korth. (E. japonica Thunb. var. nitida (Korth.) Dyer) jfe-jf. (Ling 

 Mu) (H.F. 1:284). Shrub, to 4 m.; fls. white, X. Southeastern Asia, Philippines, 

 East Indies; locally in An., Che., Hun., Hup., Ki., Ku. Forest. Fig. 245. 



111. GUTTIFERAE St. John's Wort Family ±UMPc (Chin Ssu T'ao K'o) 

 Hermaphroditic, polygamous or dioecious herbs, shrubs or trees with opposite lvs. 

 and solitary or clustered regular fls.: sepals and petals 2-6, or more numerous; sta- 

 mens many, distinct, monadelphous or united in bundles (ours); ovary superior, 1- 

 many-celled; styles 1-many, distinct or united: fr. a dehiscent capsule or an indehis- 

 cent berry or drupe. About 45 genera with 750 species, widely distributed; 4 genera 

 and 25 species, in China. 



1. Hypericum Linn. St. John's Wort MM&M (Chin Ssu T'ao Shu) 

 Herbs or shrubs with glandular- dotted Ivs.: fls. bisexual, yellow, pink or purple; 

 sepals 5; petals 5, convolute in the bud; stamens numerous, usually joined in 5 

 bundles: fr. usually a capsule. 200 species, in the northern hemisphere; 20 in China. 

 (Greek: hypo, under or among, and ereike, heath or heather.) 



Key to the Species 



a. Styles 5: capsule 5-celled: fls. large, 3-6 cm. across. 



Petals persistent, rolling into stiff rods when dry: stout peren- 

 nials, somewhat woody at the base 1- H. ascyron 



Petals deciduous: shrubs. 

 Styles united into a slender column 15-20 mm. long, 5-parted 

 at the top; filaments about 20mm. long: Ivs. reticulate 



and sometimes glaucous beneath 2. H. chinense 



Styles free, about 5 mm. long; filaments about 10 mm. long: 



Ivs. glaucous beneath, not reticulate 3. H. patulum 



aa. Styles 3: capsule 3-celled: fls. smaller, not over 2cm. in diam.: 

 herbs, 

 b. Lvs. sessile or on very short petioles, not connate-perfoliate. 

 Lvs., or most of them, ovate, 2-10 mm. long: fls. small, 



4-8 mm. in diam.: slender annuals, 5-30 cm. high 4. H. japonicum 



Lvs. oblong or ovate-elliptic-oblong, 10-30 mm. long; fls. 

 larger, 15-20 mm. in diam.: tough, sometimes bushy 

 herbs, 30-50 cm. high. 

 Sepals ovate: lvs. ovate-elliptic-oblong, 1-3 cm. long; with 

 mostly small or obsolete glandular dots and a few large 

 black dots: stems erect, unbranched or sparsely brg. 

 a b ove 5. H. attenuatum 



Sepals lanceolate: lvs. elliptic-linear-oblong, 1-1.5 cm. long, 

 with large black glandular dots: stems profusely brg. . . 6. H. perforatum 

 bb. Lvs. connate-perfoliate, 4-6 cm. long: capsule bearing rows of 



oval resiniferous vescicles ?• //. sampsoni 



1. Hypericum ascyron Linn. v: (Huang Hai Tan; Yellow Crab-apple) (R.M. 



638). Erect herb, to 1.5m.; fls. yellow, V-VII; fr. VIII-X. Eastern North 



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