828 



RUBIACEAE 



long, gradually narrowed at both ends. Honshu (Suruga, 



Echizen, and westw. to Kinki Distr.). 



3. Damnacanthus indicus Gaertn. f. Aridoshi. Much- 

 branched shrub, crisped puberulent on branches, petioles, and 

 sometimes on leaves of midrib beneath; branches slender, 

 horizontally spreading; leaves coriaceous, lustrous, broadly 

 ovate or broadly elliptic, 1-2.5 cm. long, 7-20 mm. wide, 

 abruptly acute and short-awned, rounded at base, short-peti- 

 oled, the spines 1-2 cm. long, as long as the leaves; flowers 

 1 or 2 in leaf-axils, short-pedicelled, white, about 15 mm. long; 



calyx short, about 1.5 mm. long, the teeth narrowly deltoid; 

 corolla tubular, slightly ampliate, the lobes 4, spreading, very 



short; fruit globose, 5-6 mm. across, red. May. Honshu 



(Kanto Distr. and westw.), Shikoku, Kyushu. Ryukyus, s. 



Korea, China, ne. India, and Thailand. 



Var. microphyllus Makino. Hime-aridoshi. Plants 



much branched; leaves small, about 1 cm. long; occurs with 

 the typical phase. 



Var. ovatiis Koidz. Tamagoba-aridoshi. Spines promi- 

 nent; leaves ovate. Honshu (centr. and w. distr.), Shikoku. 



13. LEPTODERMIS Wall. Shichoge Zoku 



Slender much-branched shrubs; leaves short-petioled, opposite, lanceolate, with broad persistent stipules; flowers dimorphic, 

 white or purple, subtended by 2 connate bracteoles, in sessile terminal cymes or heads on branches and on short spurs; calyx- 

 limb 5-toothed; corolla narrowly infundibuliform, the lobes (4 or)5, valvate in bud; ovary 5-locular; style slender, 5-lobed; ovules 



solitary in each locule, anatropous; capsules 5-valved, oblong, ribbed, 1-seeded in each valve; seeds linear. About 30 species, in 



e. Asia, e. Bengal, and the Himalayas. 



1. Leptodennis pulchella Yatabe. Shichoge. Foetid- 

 smelling shrub, while young with dark gray puberulent 

 branches; leaves narrowly ovate or broadly lanceolate, 1.5-4 

 cm. long, subacute, acute at base, glabrous or thinly puberulent 

 on midrib above, the petioles 1-3 mm. long, the stipules 2, 

 depressed-deltoid, short spine-tipped; flowers few, sessile, the 



bracteoles connate at base, membranous, 3-4 mm. long, about 

 as long as and surrounding the calyx in an thesis; calyx-teeth 

 elliptic, about 2 mm. long, erect, ciliolate; corolla purple, 15-18 

 mm. long, puberulent externally; fruiting calyx oblong, 7-8 

 mm. long. July. Honshu (s. Kinki Distr.), Shikoku. 



14. PAEDERIA L. 



Hekuso-kazura Zoku 



Scandent, foetid herbs or shrubs; leaves opposite, petiolate; stipules deciduous; flowers rather small, in axillary and terminal 

 cymes, bracteolate; calyx-limb 4- or 5-toothed, persistent; corolla tubular-campulate or infundibuliform, granular-pilose, the 

 tube rather broad, the lobes 4 or 5, induplicate in bud; ovary 2-locular; styles 2, filiform, often connate at base; ovules solitary 



in each locule, erect, anatropous; fruit globose, the pericarp crustaceous; stones 1-seeded, flattened. About 20 species, in the 



Tropics of Asia and S. America. 



1. Paederia scandens (Lour.) Merr. var. mairei (Lev.) 

 Hara. P. foetida sensu auct. Japon., non L.; P. tomentosa 



sensu auct. Japon., non Bl.; P. tomentosa var. mairei Lev. 



Hekuso-kazura, Yaitoeana. Scandent, somewhat pubescent 

 perennial herb often woody at base; leaves petiolate, membra- 

 nous or thinly herbaceous, ovate to narrowly so, or the upper 

 ones broadly lanceolate, 4-10 cm. long, 1-7 cm. wide, short- 

 acuminate, cordate or sometimes rounded at base; stipules 2, 

 ovate, green, obliquely ascending; cymes rather many-flowered; 

 flowers sessile in the terminal ones, short-pedicelled in the 

 lateral ones; calyx-teeth short, obliquely spreading; corolla- 

 tube white, red-purple inside, about 10 mm. long, rather broad, 

 the limb spreading, 7-8 mm. across, the lobes depressed, white, 

 undulate on margin; fruit yellow, globose, about 5 mm. across. 



Aug.-Sept. Thickets and thin woods in lowlands and 



low elevations in the mountains; Hokkaido, Honshu, Shikoku, 



Kyushu; very common and variable. Korea, China to 



Philippines. 



Var. longituba (Nakai) Hara. P. longituba Nakai 



Tsutsu-naga-yaitobana. Corolla-tube narrow. Honshu, 



Kyushu. 



Var. maritima (Koidz.) Hara. P. chinensis var. maritima 



Koidz. Hama-saotome-kazura. Glabrescent maritime 



phase with thicker lustrous leaves. Thickets near seashores; 



Honshu, Shikoku, Kyushu. China. 



Var. velutina (Nakai) Nakai. P. chinensis var. velutina 

 Nakai Birodo-yaitobana. Leaves densely villous. Of- 

 ten found with the typical phase. 



15. PSEUDOPYXIS Miq. 



Inamori-so Zoku 



Small erect herbs with creeping rhizomes and multicellular pubescence; leaves membranous, opposite, petiolate, ovate; stipules 

 intrapetiolar; flowers white or pale purple, 1 or 2, terminal and in upper axils, the pedicels short, 2-bracteolate; calyx short, the 

 limb 5-parted, the segments broadly lanceolate at anthesis, accrescent, net-veined in fruit; corolla narrowly infundibuliform, lobes 

 5, induplicate in bud; ovary 4- or 5-locular; style slender, 4- or 5-lobed; ovules solitary in each locule, ascending from the inner 

 angle, anatropous; fruit small, surrounded by stellately spreading calyx-lobes, circumscissile; seeds obovate, longitudinally 

 grooved. Two species, in Japan. 



lA. Stems 5-10 cm. long, uniformly pubescent; upper 2 pairs of leaves frequently approximate and falsely verticillate; pedicels about 1 

 mm. long; corolla pale purple, about 2.5 cm. long, the lobes half as long as the tube 1. P. depressa 



IB. Stems 15-30 cm. long, with 2 series of short hairs; leaves in pairs, the upper leaves not as above; pedicels 4-6 mm. long; corolla white, 

 8-10 mm. long, the lobes nearly as long as the tube 2. P. heterophylla 



