150 



BOTANICAL MAGAZINE. ivoi. xvi, 



appear as if it is i)ale bluish witli deeper coloured delicate veins, as 

 incautious]}- v.-ritten by the authors as (quoted above. 



The ]tl;uit of Honzo-Dzufu (Phonzo zoufu) vol. 2.3, fol. 11 recto, fig. 

 sinistra, wl idi was referred to Iris vilnuta by Franchet et 8avatier, is evi- 

 dently a ditlerent species, and it may be a form of Iris gracilipes A. Gray. 



Iris (Apogou) ruthenica Urvand. ;-. nana i\Iaxini. iu Mel. Biol. X. 

 p. 705; Palib. Consp. Fl. Kor. III. p. (i. 



Iris rtdhenica Maxim. Prim. Fl. Amur. Supi)l. pf). 477, 485. 



Small ; rhizome slender, obliquely horizontal, hard, branched, brown, 

 covered with old fibres of leaves, furnished with dried leaves of last year 

 at the neck ; roots strong, with many branches which also repeatedy ramose. 

 Leaves 3-6, linear, attaining about 14 cm. long and 3-6 mm. wide in 

 flower, but attaining about 37 cm. long, 71 mm. wide after anthesis, acu- 

 minate, the one side deep-gi'een, and other side more or less glaucous ; the 

 midrib somewhat distinct ; veins 2-4 on eacli side ; the sheath manifest, 

 opened ; the basal leaves sheath-form, tinged with purple. Scape 1-headed, 

 short, ascending, covered with few scaly leaves which are tinged with purple 

 below and above, about 6-10 cm. high including the flower ; pedicel equalling 

 the scape in length, 9-20 mm. long. Spathe 1-flowered ; valves 2, oblong- 

 lanceolate, acuminate, many-nerved, ecarinate, about 25- cm. or more long, 

 turged, light green, tinged with [mrple towards the margin. Perianth-tube 

 clavato-cylindrical, about 1^ cm. long. Sepals about 4 cm. long, broadly 

 unguiculate ; unguis lighter than the limb in colour, l(mgitudinally striate 

 with purple internally, very light green externally ; the limb slightly shorter 

 than the unguis, oblong, about 8 mm. broad, finally subconduplicate, shortly 

 bifid at the apex, spreading and more or less defiexed and geniculate with 

 the unguis, violet, substriped with white and violet in centre of the lower 

 portion. Petals erect, angustato-oblanccolate, narrowly unguiculate, revolute- 

 margined, membranaceous, violet, about 3| cm. long. Stamens about 2 cm. 

 long, adherent to the base of se[)als ; filament linear ; anther shorter than 

 the filament, linear, Cioruleous. Style-branches erect-patent, purple-violet, 

 about 2i cm. long, 5 mm. Ijroad ; crest-lobes 2, obliquely ovate, acute, inciso- 

 denticulate on the outer side ; stigma minute, with a sulmlate l(jbe. Ovary 

 concealed within the sitathe, cylindrical-oblong, shortly stipitate, many-ovuled. 

 Capsule subglobnse. Fl. April. 



Hah. Prov. MusASiii : Tokyo, cult. (T. Mahino\ April and July 1902). 



This is known only in cultivation in Japan. 



