26 



Xylosma japonicum A. Gray Bot. Jap. in Mem. Am. Acad. N. Ser. 

 VI. (1856) p. 381 ; Hance in Journ. Bot. (1870) p. 275, et (1878) p. 8. 



Hisingera racemosa Sieb. et Zucc. FJ. Jap. I. (1835) p. 169, tab, 88, 

 €t p. 189, tab. 100 in. figg. 1-14. 



Xylosma racemosa jMiq. Ann. Mus. Bot. Lngd.-Batav. II. (1865-66) 

 p. 155, et Prol. Fl. Jap. (1866-67) p. 87; Franch. et Sav. Enum. PI. Jap. 

 I. p. 43 ; K. Ito et H. Kaku Fig. et Descr. PI. Koishik. Bot. Gard. II. 

 tab. 11; Maxim, in Engler's I^ot. Jahrb. VI. p. 58; Forbes et Hemsl. in 

 Journ. Linn. Soc. XXIII. p. 57; Maxim. PI. Chin. Potan. p. 63; Palib. 

 C()ns[). Fl. Kor. I. p. 36. 



3Ii/roxylon racemosum 0. Kimtze Rev. Gen. PI, I. (1891) p. 44. 



Flacourtia chhiensis Clos in Ann. Sc, Nat. 4 ser. VIII. (1857) p. 

 219 ; Walp. Ann. VII. p. 228 ; Bretschn. Hist. Eur. Bot. Disc. Chin. p. 434. 



Son no Lje Thnnb. Fl. Jap., PI. 01)sc. p. 355. 



Norn. Jap. Kusudoigc. 



Hah, Southern Japan. 



Cyperus (Choristachys, Comprcssi) japonicus Makino sp. nov. 



? Cyperus amuricus Maxim, var. Japonica Miq. Prol. Fl. Jap. p. 73. 



Annual, attaining about 56 c n. in heigh, glabrous. Roots fibrous, 

 densely fasciculate, purpurascent. Leaves basal, 3-4, shorter than or equal 

 to the culm, linear, gramineous, long-acuminate, carinato-plane, flaccid, 

 green, scabrous on the upper margin, 3-7 mm. broad, long-sheathing at the 

 base. Culm erect, about 2-5-cfBspitose, slender, trigonous with glabrous 

 edges, smooth, green. Umbel with 4-9 rays, loose, 4-16 cm. across; rays 

 €rect-patent, unequal in length, the interior one sessile ; ])eduncles slender, 

 sti-ict, compressed, the longest one about 11cm. long, basal sheath 4-13mm. 

 long, truncate ; involucres 3-4, long, leafy, the outer ones much exceeding 

 the rays, the longest one about 26 cm. Spikes often 2 to 6 or solitary 

 to a ray, many-spiculose, 1-2 cm. across, lateral ones sessile and patently 

 radiate and shorter than the terminal one ; rachis slender, angulate, gla- 

 brous ; bracts few, setaceo-subulate or setaceo-linear, usually shorter than 

 the spike. Spiculae subsapitato-racemosely and rather densely disposed, 

 erect-patent or patulose, linear, 5-15 mm. long, 2 mm. broad, compressed, 

 sublaxly and distichously 8-23-flovvered, yellowish-auranticous; rachilla com- 

 pressed, distinctly narrow-winged, glabrous. Glume Ifmm. long, erect- 

 patent, orbicular, rounded and cuspidate at the apex (the cuspidate point 



