Gesnerwceae; Lentibulariaceae 813 



segments linear-lanceolate; corolla about 2 cm. long, pale pur- cm. long, glabrous, the style very short, the stigmas 2, per- 



ple-violet, with deeper-colored striations, soft-pubescent exter- sistent; seeds minute, fusiform, smooth. May-June. Rocks 



nally, the upper lip rather short, the midlobe of the lower lip in mountains; Honshu (Kinki Distr. and west\v.), Shikoku, 



erect, slightly spreading above, the tube narrow, slightly re- Kyushu, 

 curved at base; upper 2 stamens fertile; capsules linear, 2.5-4.5 



3. CONANDRON Sieb. x Zucc. Iwa-tabako Zoku 



Rliizomes short, creeping, densely dark brown long-hairy; leaves radical, few, large, toothed, rugose while young; scapes with 

 few small bracts; cymes terminal; flowers pedicelled, purple, actinomorphic; calyx 5-toothed, the segments narrow, im- 

 bricate in bud; corolla rotate, deeply 5-lobed, the lobes narrowly deltoid, subacute, imbricate in bud; stamens 5, all fertile, 

 inserted at base of corolla; filaments short, the anthers erect, oblong, connate into a tube around the style, the anther-locules 

 parallel; disc absent; placentae 2-lobed, prominendy intruded and raised within the ovary; ovary imperfecdy 2-locular; ovules 

 marginal on the placentae; style linear, the stigma capitellate; capsules lanceolate, rather short, 2-valved; seeds minute, fusiform, 

 smooth. Two species, in Japan and Indochina. 



1. Conandron ramondioides Sieb. & Zucc. Iwa- shorter than the narrow apical appendages; capsules broadly 



TABAKo. Soft green perennial; scapes slender, 10-30 cm. lanceolate, 1.5-2 times as long as the calyx, acute. Aug. 



long, 10- to 40-flowered, the bracts broadly linear; leaves Wet rocky cliffs in mountains; Honshu, Shikoku, Kyushu; 



pendulous, solitary, ellipric-ovate, 10-30 cm. long, 5-15 cm. rather common. Ryukyus and Formosa. Forma pilo- 



wide, abrupdy short-acuminate, lustrous, irregularly mucro- sum (Makino) Ohwi. C. ramondioides var. pilosum Makino 



nate-toothed, wing-petioiate; calyx-segments 4-6 mm. long; Ke-iwa-tabako. Rather short-pilose on scapes, cymes, 



corolla about 1.5 cm. across, purple, rarely white, the lobes calyx and sometimes also on nerves of leaves beneath. Hon- 



narrovvly deltoid, obtuse, slighdy contracted at base, the pedi- shu (centr. distr.). 

 eels 8-15 mm. long, much longer than the bracts; anthers 



4. RHYNCHOTECHUM Bl. Yama-biwa-so Zoku 



Long silky-pubescent perennials or subshrubs; stems erect, low, scarcely branched; leaves alternate or opposite; cymes simple or 

 slighdy branched, axillary, pedunculate; flowers small, white; calyx 5-toothed, the segments linear; corolla subrotate or rotate- 

 campanulate, deeply 5-lobed, die lobes equal, broad; stamens 4, inserted at base of corolla, short; staminodes small or absent; 

 disc annular; stigma entire, rather thick; ovules evenly distributed over the placentae except on the inner face at the center; 



fruit berrylike, small, ovoid to subglobose; seeds minute, ovoid. About 12 species, in India, Philippines, Formosa, Ryukus, 



Japan, and China. 



1. Rhynchotechum discolor (Maxim.) Burtt var. nerves, densely punctulate beneath, with 8-15 pairs of parallel 

 austrokiushiuense (Ohwi) Ohwi. Isanthera discolor sensu ascending arcuate lateral nerves, the petioles 2-7 cm. long; 

 auct. Japon., non Maxim.; I. discolor var. austrokjushiuensis peduncles 1.5-3 cm. long; cymes solitary, 20- to 30-flowered, 

 Ohwi Tamazaki-yama-biwa-s6. Stems 30-40 cm. long, dense and in hcadlike glomerules, the bracts lanceolate; flow- 

 nearly always simple, soft, terete, gray, densely yellowish ers about 7 mm. across, nearly sessile; calyx 6-8 mm. long, the 

 brown long-woolly; leaves herbaceous, alternate, broadly ob- segments broadly linear; corolla-lobes rounded; filaments 



lanceolate or obovate-oblong, 10-25 cm. long, 3-8 cm. wide, longer than the anthers; fruit oblong, 6-7 mm. long. Aug.- 



acute, acuminate at base, mucronate-toothed, rather fleshy, Oct. Woods in low mountains; Kyushu (Osumi, Yakushima 



pale gleen above, paler beneath, with yellowish brown long- and Tanegashima) . 

 woolly hairs beneath while young, these persistent on the 



Fam. 181. LENTIBULARIACEAE Tanuki-mo Ka Bladderwort Family 



Herbs, often aquatic or in wet places, insectivorous; leaves alternate or basal and rosulate, often reduced to scales or bladders; 

 flowers bisexual, zygomorphic; calyx 2- to 5-parted, the segments not overlapping or slightly imbricate in bud; corolla spurred 

 at base, the limb bilabiate, the lobes 5, imbricate in bud; stamens 2, inserted at the base of corolla, staminodes 2, the anthers 

 I- or 2-locular, longitudinally split; disc absent; ovary superior, 1-locular; stigma often sessile; ovules many, on basal placentae; 



fruit a capsule, 4- or 2-valvcd or irregularly dehiscent; seeds many, without endosperm. Four or five genera, with more than 



250 species, of wide distribution. 



lA. Calyx 2-lipped; corolla personate, the upper lip erect; anthers parallel, nearly 2-locular; leaves finely dissected, with bladders; aquatic 

 or growing in wet muddy places 1. Utricularia 



IB. Calyx 5-lobcd; corolla merely bilabiate with an open throat, the limb spreading; anthers transverse, 1-locular; leaves rosulate, entire; 

 wet rocky cliffs or in bogs 2. Pinguiciila 



1. UTRICULARIA L. Tanuki-mo Zoku 



Soft delicate herbs, aquatic or in wet muddy places; stems usually elongate, leafy; leaves finely dissected into capillary seg- 

 ments, floating or immersed, widi small bladders at intervals, or aerial and simple, spathulate, small; scapes simple or slighdy 



