February, 2S. 1915.] T. MAKIKO.-CONTRIB. TO FLORA OF JAP AX. 37 



forma subhastata Making, nov. 



Eobust. Leaves subhastate ; lamina ovato-subulate or subulato- 

 lanceolato, acuminate, l.|-4:2 cm. broad ; basal lobes much divergent, 

 longer than the lamina, lanceolate or linear-lanceolate, very acumiaate, 

 about 11-17 cm. long. 



Xom. Jap. Halahari-omodaka (nov. nom.). 



Hah. JAPAN, not uncommon. 



forma heterophylla :Makixo, nov. 



Leaves dimorphous,- sagittate ; outer leaves much broader ; 

 lamina broadly ovate ; basal lobes longer than the lamina, ovato- 

 lanceolate, acuminate ; inner leaves angustate ; lamina Hnear-lanceo- 

 late ; basal lobes longer than the lamina, linear or broadly linear. 



Nom. Jap. Adzuma-omodaka (nov. nom.). 



Hah. Prov. ^II'SASHI : Shimura. 



Yar. ß. sinensis (Sims) Makixo, nov. comb. 



Sagittaria sinensis Sims in Bot. Mag. tab. 1631 (ISli) ; Spkeng. 

 Syst. Veg. n. (1828), p. 633 ichinensis) ; Kixth, Enum. PI. ni. (1841), 

 p. 157 {chinensi<) ; F. P. Smith, Mater. ]Med. et Xat. Hist. China 

 (1871), p. 189 ; Bbetschn. Early Europ. Ees. Fl. China (1880), p. 50 

 {ehinensis). 



Sagittaria sagittifoUa forma stnen.ns Makino in Bot. Mag., Tokyo, 

 XV. (1901), p. 105, excl. syn., et in Iestma, Somoka-Dzusetsu, ed. 3, 

 IV. 20 (1912), p. 28, tab. 27 {var.); M^tsum. Ind. PL Jap. II. 1 (1905), p. 31. 



Sagittaria .-iagitti folia a. edidis Sieb. SynojDS. PI. Oeconom. Jap. in 

 Verh. Batav. Gen. XH. (1827), p. 17 ; ^Iiq. Prol. Fl. Jap. in Ann. 

 Mus. Bot. Lugd.-Batav. IL (1865-66), p. 138. 



Sagittaria edidis Schlecht, in Linnaea, XMJI. (181:4:), p. 432. 



Sagittaria mao'ophyUa Bunge, Enum. PI. Chin. Bor. (1831), p. 63 ; 

 Maxim. Ind. Fl. Pek. in Prim. Fl. Amur. (1856j, p. 477 ; Bketschn. 

 Hist. Eur. Bot. Disc. China (1898), p. 341, non Zucc. 



Sagittaria obtusa Thunb. Fl. Jap. (1784), p. 242, excl. nom. Sagittxiria 

 ohtusifoha Linn. 



forma a. albida Makino, nov. 



Tuber large, oval, ellipsoid or ovoid, often sul)compressed ; skin 

 ■white or nearly so. 



Xom. Jap. Haku-giiv:ai (nov. nom.), Shina-guwai (nov. nom.). 



Xom. Chin. ^.^^ 



Hob. JAP AX, cultivated, rare. {Distrih.) CHIXA, cultivated. 



forma b. caerulea Makino, nov. 



Tuber large, globose or dej^ressed-globose ; skin caeruleous. 



Nom. Jap. Kuwai (nowadays), Shiro-ku.icai (old name). 



Hah. JAP AX, widely and commonly cultivated for the sake of 

 its edible tuber. 



Yar. r- alismaefolia Making, nov. comb. 



Sagittaria sagüii folia var. alismaefolia ]\L^kino in Bot. ^lag., Tokyo, 

 XXni. (1909), p. 23. 



Xom. Jap. Hitof.mba-omodaka, Satsuma-omodaka. 



Hah. Prov. SATSUMA, rare. 



{To he continued.) 



