384 



MoRACEAE 



1. Broussonetia papyrifera (L.) Vent. Morus papyri- Kozo. Monoecious shrub with brownish bark, the branches 



jera L. Kaji-no-ki. Small tree with stout gray-brown slender, elongate, purplish, short-pilose while young; leaves 



coarsely spreading hirsute branches while young; leaves thick- thinly membranous, oblique, ovate or broadly so, 5-15 cm. 



herbaceous, oblique, broadly ovate, 7-18 cm. long, 5-15 cm. long, 3-8 cm. wide, long-acuminate, rounded to shallowly 



wide, short-acuminate, shallowly cordate at base, coarsely cordate at base, slightly scabrous above, short-pilose while 



hirsute, dull, toothed, often deeply 3- to 5-lobed, deep green young beneath, toothed, the petioles 3-20 mm. long, short- 



and scabrous above, pale green beneath, the stipules broadly pilose, the stipules narrowly lanceolate; staminate spikes 1-1.5 



lanceolate or obUquely narrow-ovate, acuminate, deciduous; cm. long, the peduncles about 1 cm. long; pistillate spikes 



staminate spikes cylindric, densely many-flowered, 4-8 cm. globose, rather many-flowered, the peduncles nearly as long 



long, the peduncles 2-4 cm. long, pendulous, the perianth as the petioles; styles filiform, elongate; fruiting heads globose, 



coarsely hairy; pistillate spikes densely many-flowered, globose, red, the fruits stipitate, with a persistent style. Apr.-May. 



short pedunculate, about 2 cm. across, villous; style slender, Honshu, Shikoku, Kyushu; often cultivated for paper making, 



filiform; drupe exserted from the perianth when mature, red, Ryukyus, Formosa, China, and Korea. 



oblanceolate, the style persistent. May-June. Honshu 3. Broussonetia kaempferi Sieb. Tsuru-kozo. Closely 



(warmer part of centr. distr. and westw.), Shikoku, Kyushu; resembles the preceding; dioecious, with much-elongate and 



cultivated for making paper. Ryukyus, Formosa, China, scandent branches; leaves ovate to narrowly so, acuminate, 



and Malaysia. toothed, rounded at base, subglabrous above, only sparingly 



2. Broussonetia kazinoki Sieb. B. sieboldii Bl. short-pilose beneath. Apr.-May. Shikoku, Kyushu. 



4. CUDRANIA Tree. Hariguwa Zoku 



Dioecious, branching, sometimes scandent shrubs, the branchlets often reduced to spines; leaves alternate, short-petiolate, en- 

 tire or sometimes 3-lobed, penninerved, the stipules small; inflorescence axillary, glomerate, short-peduncled, the bracteoles many; 

 staminate flowers 4-merous, the perianth segments oblong, obtuse; pistillate perianth broader, imbricate in bud, enveloping the 

 ovary; styles simple, undivided or bifid, the stigmatose branches elongate, filiform or rather thick; ovules pendulous; fruiting 

 perianth and bracts accrescent, rather fleshy, forming a false headlike syncarp; fruit ovoid, rather flat, with crustaceous pericarp. 

 ^Few species in tropical Asia. 



lA. Leaves oblong to obovate, rather coriaceous, glabrescent, the midrib impressed above especially toward the base; petioles becoming 

 glabrous; peduncles of staminate heads 4-6 mm. long 1. C. cochinchinensis var. gerontogea 



IB. Leaves ovate to broadly so, rather chartaceous, more or less pilose on nerves, the midrib scarcely impressed above; petioles puberulous 

 on upper side; peduncles of staminate heads 10-12 mm. long 2. C. tricuspidata 



1. Cudrania cochinchinensis (Lour.) Kudo & Masam. occurs in e. Africa to India, Malaysia, and Australia. 

 var. gerontogea (Sieb. & Zucc.) Kudo & Masam. Madura 2. Cudrania tricuspidata (Carr.) Bureau. Madura tri- 



gerontogea Sieb. & Zucc. Ka-katsuga-yu. Evergreen cuspidata Carr.; Cudrania triloba (Hance) Forbes & HemsL; 



shrub; branches elongate, scandent, with erect spines in axils, Cudranus trilobus Hance Hariguwa. Small puberulent 



woolly-pubescent on buds and stipules; leaves oblong to obo- tree; leaves membranous to chartaceous, ovate to broadly so, 

 vate, 4-7 cm. long, 2-3.5 cm. wide, entire, subcoriaceous, very 6-10 cm. long, 3-6 cm. wide, entire or 3-lobed, abruptly acute 

 obtuse to rounded with a minute awn at apex, slightly re- to acuminate, with an obtuse tip, puberulous especially on mid- 

 curved on margin, the petioles 5-20 mm. long; flower heads rib above and on nerves beneath; petioles 15-25 mm. long, 

 axillary, the peduncles 3-6 mm. long, appressed-puberulent. puberulous on upper side; peduncles of staminate heads 10-12 



^May-July. Honshu (Kinki and Chiigoku Distr.), Shi- mm. long, densely soft-pubescent.^ June. Rarely planted in 



koku, Kyushu. Formosa and China. The typical phase our area. ^Korea and China. 



5. FICUS L. IcHijiKu Zoku 



Evergreen or deciduous, erect or scandent trees or shrubs, with milky juice; leaves alternate, entire or toothed, often lobed, 

 the stipules caducous; receptacle fleshy, axillary or from the nodes of denuded branches, globose to ovate, usually enveloping the 

 pistillate and staminate flowers, often with 3 bracts at base; staminate perianth 2- to 6-lobed, the stamens 1-6, the filaments short, 

 erect; pistillate perianth small or reduced; ovary erect; styles solitary, somewhat lateral, the stigma peltate or filiform; achenes 

 small, with crustaceous pericarp. About 800 species in all tropical and warmer regions. 



lA. Scandent woody plants; leaves evergreen, coriaceous, entire, with prominently elevated and finely reticulated veinlets beneath; re- 

 ceptacles axillary. 

 2A. Leaves broadly lanceolate to ovate-oblong, long-acuminate, 5-12 cm. long; receptacles sessile, globose, not more than 10 mm. across. 



L F. nipponica 



2B. Leaves oblong or elliptic to ovate or broadly so, obtuse or subacute, 1-10 cm. long; receptacles L5-4 cm. across; peduncles 7—12 mm. 



long. 



3A. Leaves oblong or elliptic, obtuse, 4-10 cm. long, the petioles 1.5-2 cm. long; receptacles 3-4 cm. across, pyriform. . . 2. F. pumila 



3B. Leaves broadly to narrowly ovate, subacute with an obtuse tip, 1-5 cm. long, the petioles 5-10 mm. long; receptacles globose, 15— 



17 mm. across 3. F. stipulata 



IB. Erect trees or shrubs. 



4A. Large deciduous shrub with herbaceous leaves 4. f . erecta 



4B. Evergreen trees with entire coriaceous leaves. 



5A. Petioles 7—20 mm. long; leaves 5-8(— 10) cm. long, cuneately obtuse at base; receptacles sessile 5. F. microcarpa 



5B. Petioles 3-6 cm. long; leaves 7-12 cm. long, rounded at base; receptacles on short peduncles 3-7 mm. long 6. F. wightiana 



