SIMARUBE^E. 13 



dorsifixis oblongis 1^ nun. longis apice obtusis leviter retusis basi sagittatis 

 interiorc dchiscentibus. Ovarium oblonguin dense tuberculatum barbatum 

 1 mm. longum stipitatum, stipite mm. longo glabro, stylo glabro columnar! 

 crasso 1 mm. longo mm. la-to apice ,perfecte truncate stigmatoso. 



HAB. Hainan, leg. Z. KATSUMADA, 1910. 



Near Clausena Wampi, but differs from it by the less hairy ovary and 

 much dilated filaments. 



Citrus LINN. 



Citrus ery throcarpa HAY ATA sp. nov. FortwneKa erythrocarpa HAYATA. 

 Frutex. Kami et ramnli gracilcs cinerascentes longitudinah'ter tenuiter rugulosi. 

 Folia altcrna trifoliolata vel simplicia chartacea, foliolis ovato-laiiceolatis vel 

 lanceolatis 7 cm. longis 2^ cm. latis apice acuminatis sed ad summum obtusis 

 basi acuminatis margine integris utraque pagine glabris, costa supra tenuiter 

 impressa subtus elcvata, pellucid o-ptmctatis, venis venulisquc supra tenniter vel 

 obscure subtus distincte elevatis. Florcs ignoti. Cymse terminales 23 cm. 

 longse. Fructus drupiformis cllipsoidcus 15 mm. longus 10 mm. latus apice 

 brevissime apiculatus he vis glabcr 1-spermus rubescens, pericarpiis crassiusculis 

 teuuibus. Semina solitaria cllipsoidea 13 mm. longa 8 mm. lata apice brevi- 

 ssime apiculata basi rotundata, testa rubescenti membranacea laterc uno arillis 

 linearibus ramosis adnatis instructa. Albumen O; embryo amplus ellipsoideus, 

 cotyledonibus ellipticis 10 mm. longis 6 mm. latis crassissimis minute punctatis 

 osseis ; radicula brevissima truncata ad centrum minute impressa brevissime 

 rubro-hirsuta. 



HAB. inter Karapin et Suisharyo, leg. B. HAYATA, Aprili. 1914, 

 (fr.). 



Near Citrus japonica in the 1-seeded fruits, but dinars from it in having 

 shortly apiculatc elliptical fruits and 3 foliolate leaves. 



Simarubese. 

 Picrasma BLUME. 



Picrasma quassioides BENN. ; BENTH. Fl. Hongk. p. 61 ; HOOK. f. 

 Fl. Brit, Ind. I. p. 520 ; HEMSL. Ind. Fl. Sin. I. p. 112 ; MATSUM. Ind. PI. 

 Jap. IT.-2 p. 296. 



