Paris qiiadril'oliiis I>. Spcr. IM. id. II ( 17()li) |). ."i^d; Lidcli. M. All. 11. p. .S8; l.cdelj. 

 Fl. Ros.s. IV, p. 120; l,-|,„i,i. <l'.:. ,\.ii. VI (1912) p. VXVA. 



Scallcii'd ill sIkkIv jilaccs in llic sulialpiiic woods alioiil llic Ippci- .\in\l. Willi 

 youiii^ fruit.s in llu> firsl half of .Iiilv. 



Di.slrihulion: Imiiojx', cxci'i)! [lie cxln iiic soiilli. Asia Minor. Silicria. ca.slward.s to 

 about the Yeni.sci. 



Iris flavissima Pall. Rcisc III (1770) p. 71.-): Li-di-h. Fl. Alt. TV. p. 332; Tuiczan. 

 Cat. Haioal. no. 1122; Ledeb. Fl. Ross. IV. p. 102; Maxim. Diai^n. IM. Nov. Asiat. III. p. 

 725; Turczan. Fl. Baical.-Daluir. (1851, 11) p. 101, no. 1110; Ki.i.i.i. 'l-.i. .\.ii. VI (l'.)12) 

 p. i;i2'). 



RaliuT ronniion in Iho regions about Ihc livcr .Kbakan, rieipiently on sandy banks 

 of rivers, and the like. Speeimens gathered on the i.slets in the lower parts of tliat river, 

 at the end of .June, are nearly past flowering, a few with almost ripe fruits. 



Dislribulion; South-eastern Europe, south-western and central Asia, southern 

 Siberia, northern, Mongolia, eastern Asia. 



Iris ruthenica .\iton, llort. Kewensis ed. I (1810) p. 117; Ledeb. Fl. Alt. I. p. 55; 

 Turczan. Cat. Baical. no. 1117; Bongard et Meyer, Suppl. Fl. Alt. no. 294; Ledeb. Fl. 

 Ross. IV, p. 94; Turczan. Fl. Baical.-Dahur. (1854, II) p. 97, no. 1134; h'pi.i.T. «l).i. A.it. 

 VI (1912) p. 1324. 



Rather common on the steppes between Minusinsk and Ust Abakansk, on grass- 

 grown hill-slopes, in thickets of Cnragana arborescens, here and there associated with 

 Solidago Virgaiirca, Asler nlpiniis, SlcUaria graininea. and others. In full bloom at the 

 beginning of June. 



Distribution: South-western Asia, Siberia, northern Mongolia, northern China. 



Iris ensata Ihunb. in Act. Soc. Linn. II, p. 328; Maxim. Diagn. PI. Nov. Asiat. 111. 

 p. 699; KpLi.T. *.!. A.iT. VI (1912) p. 1323. Iris bigliimis Wahl, Enumer. Plant. II, p. 

 149; Turczan. Cat. Baical. no. 1120; Ledeb. Fl. Ross. IV, p. 95; Turczan. Fl. Baical.- 

 Dahur. (1854, II) p. 98, no. 113G. Iris haemaiophglla Bunge in Ledeb. Fl. \\[. I. j). 58. 

 Iris Pallasii Bunge, Enum. Alt. p. 4. 



Very common in the district about Minusinsk, where occurring in rather varied 

 soil. Here and there, among sand, in the streets of the villages, and on the hills out- 

 side. On the Abakan Steppe covering in places nearly exclusively the ground, over 

 tracts of land several square km. wide. Flowering in ,Iune and the first half of July. 



Distribution: South-western and central Asia, Siberia, northern Mongolia, eastern 

 Asia, Japan. 



r (• h i <I a e a e J USS. 



Cypripedilum guttatum Swartz in Acl. Acad. Holm. (1800) p. 251; Ledeb. Fl. All. 

 IV. p. 174; Turczan. Cat. Baical. no. 1115; Ledeb. Fl. Ross. IV, p. 88; Turczan. Fl. 



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