Proteaceae; Olacaceae; Santalaceae 395 



1. HELICIA Lour. Yama-mogashi Zoku 



Trees or shrubs; leaves alternate, entire, sometimes toothed; flowers in terminal or axillary racemes, bisexual, the perianth- 

 segments 4, regular, each with a narrow contiguous claw that forms a narrow tube, the limb narrow, reflexed; anthers oblong, 



the connective extended at tip; ovary superior, sessile; style slender, elongate, the stigma terminal; ovules 2; nut ellipsoidal. 



About 30 species, in tropical Asia and Australia. 



1. Helicia cochinchinensis Lour. H. lancijoUa Sieb. & pairs, short-pedicelled, the perianth slender-tubular, 12-14 mm. 



Zucc. Yama-mogashi. Small evergreen tree with purple- long just before anthesis, slighdy thickened above, the seg- 



brown branches and green glabrous branchlets; leaves coria- ments 4, white, linear, revolute in anthesis; stamens inserted on 

 ceous, oblanceolate to oblong, alternate, 5-12 cm. long, 1.5-5 the upper part of the perianth-segments, the anthers broadly 

 cm. wide, abruptly acuminate, narrowed below, entire or with linear, 2-2.5 mm. long; fruit berrylike, ellipsoidal, purple-black, 

 coarse teeth toward the tip, glabrous, the petioles 6-10 mm. 10-12 mm. long. Aug.-Oct. Warmer parts; Honshu (To- 

 long; inflorescence racemose, axillary, about 10 cm. long, short- kaido and s. Kinki to Chijgoku Distr.), Shikoku, Kyushu, 

 peduncled, glabrous, densely many-flowered, the flowers in Ryukyus, Formosa, China and Indochina. 



Fam. 72. OLACACEAE Boroboro-no-ki Ka Olax Family 



Trees, shrubs or rarely vines; leaves alternate, rarely opposite, usually entire, exsripulate; inflorescence a few-flowered usually 

 axillary cyme or spike, the flowers relatively small, greenish, yellowish or white, rarely purplish, actinomorphic, bisexual or uni- 

 sexual; sepals small, 4-6; corolla 3-6, free or connate into a tube; stamens equal in number or 2 to 3 times the number of corolla 

 lobes; ovary imperfectly 2- to 5-locular or 1-locular, the ovules few, pendulous, placentation axile; fruit drupelike, 1-locular, 1- 

 seeded, the seeds with copious endosperm. About 40 genera, with about 230 species, mainly in the Tropics. 



1. SCHOEPFIA Schreb. Boroboro-no-ki Zoku 



Shrubs or trees, glabrous, often blackened when dried; leaves entire, coriaceous; flowers yellow or white, in short axillary 

 spikes or racemes; calyx adnate to the ovary, accrescent in fruit, the lobes small; petals 4, sometimes to 6, connate into a tube; 

 stamens as many as and opposite the corolla-lobes, inserted on the tube; ovary 3-locular, inferior; stigma 3-lobed; ovules 3, pen- 

 dulous; drupe berrylike. More than 10 species, in the Tropics of Asia and America. 



1. Schoepfia jasminodora Sieb. & Zucc. Sc/wepfiopsis entire, the petioles rather broad, 4-7 mm. long; spikes loosely 



jasminodora (Sieb. & Zucc.) Miers Boroboro-no-ki. 3- to 4-flowered, peduncled, the flowers sessile, yellow, the 



Small deciduous tree, glabrous, the branches yellowish gray, perianth-tube 6-7 mm. long, tubular, the lobes ovate, slightly 



the slender branchlets deciduous with the leaves; leaves rather recurved above, about 3 mm. long; ovary about 2 mm. long, 



coriaceous, ovate or broadly deltoid-ovate, 4-6 cm. long, 2-4 inferior; drupe ellipsoidal, about 8 mm. long. Apr. Kyu- 



cm. wide, caudately acuminate, rounded and petiolate at base, shu. Ryukyus. 



Fam. 73. SANTALACEAE Byaku-dan Ka Sandalwood Family 



Trees, shrubs, or herbs; sometimes parasitic; leaves alternate or opposite, sometimes reduced to scales, the stipules absent; 

 flowers small, green, usually with bracts and bracteoles, actinomorphic, bisexual or unisexual, the perianth 3- to 8-toothed or 

 -divided; stamens 3-6, adnate to and opposite the perianth-lobes or teeth; ovary 1-locular, inferior, rarely superior; style usually 

 short, the stigma entire or 3- to 6-lobed; ovules 2-3, on central placentae; fruit a nut or drupe; seeds subglobose, with copious 

 endosperm. About 30 genera, with about 400 species, mostly tropical, a few in temperate regions. 



lA. Herbs; leaves alternate; flowers bisexual; bracts solitary, free from the ovary 1. Thestum 



IB. Shrubs; leaves usually opposite; flowers unisexual; bracts 4, adnate to the ovary 2. Buckleya 



1. THESIUM L. Kanabiki-s6 Zoku 



Green semiparasitic herbs; leaves alternate, linear, sometimes scalelike; inflorescence a spike, raceme, or compound cyme, the 

 flowers sometimes solitary in axils, the bracts usually leaflike, subtending the flower or on the pedicel, the bracteoles 2, some- 

 times absent; flowers bisexual, small, the perianth-tube adnate below to the ovary, tubular to campanulate, (4-)5-lobed above; 

 stamens 4-5, inserted at the base of the perianth lobes; ovary inferior, 2- to 3-ovuled; fruit nutUke, small, enclosed in the 

 perianth; seeds solitary. About 200 species, abundant in Africa and the Mediterranean region, few in Asia and S. America. 



lA. Pedicels ascending, very short, to 4 mm. long; fruit with raised reticulate veinlets 1. T. chinense 



IB. Pedicels spreading, curved, 3-15 mm. long; fruit nearly smooth except for the longitudinal nerves 2. T. rejractum 



1. Thesium chinense Turcz. T. decurrens Bl. Kana- tary on short pedicels, the bract solitary, rather small, similar 



BiKi-s6. Slightly glaucescent glabrous perennial herb; stems to the leaves, the bracteoles 2, Unear, 2-6 mm. long, the 



few or solitary, erect, 10-25 cm. long, sometimes branched, ob- perianth 2.5-3 mm. long, tubular; fruit ellipsoidal-globose, 



tusely angled to terete; leaves rather thick, linear, 2-A cm. 2-2.3 mm. long, green, with raised reticulations, crowned with 



long, 1-3 mm. wide, acute, entire; flowers small, green, soli- the persistent perianth-lobes. Apr.-June. Meadows in low- 



