/". (iliibrinn Cjhkn. vl (lonit.i and /'. iiilniucdiiim \)C. el Kocii /'. scdhnini ("uua 

 el CioDHi 



On llu' oilier hand, suwiv s|)i'cinic'ns may In' vt-rv hairy, the leaves now and llien willi 

 a nearlv eani'siiMil pubesienee. or nearly lellt'd in s])ols, wiiile oilier parls in llie same 

 planl are nearJN' or i()in|)lelcly f4lai)r()Us. Tiie liuils in llu'se specimens are c-om|)lelely 

 hoary, so as to t;ive llie whole fi uil-hearing a silver-while appearance. These specimens 

 are referred l)y nie lo /. <iciiuiiuiin Ghkn. el (ioDH. 7' vr//)/'!;;;! IX^.) and /'. iniUjart' 

 Tiiuv.AN. InlermediaU's helween iiialuale specimens and hairy ones are ralher I're- 

 (|uenl. Tiiere are also considerable variations in the len{:;tli ol the inieinodes. and in the 

 sjiape and size of the ieax'es. 



In natural meadows on islets in the Yenisei, near I'sl .\l)akansk. i iiave collected, 

 al the beginning of June, younij;, as yel flowerless .specimens of a \eiy Inxuiiant and cha- 

 racteristic form, with stems tiO— 80 cm. high, and 1—5 mm. in diameter, wilh leaves 

 5_6 cm. long, and lo 12 or 13 mm. broad. Thus, in the shape of the leaves, there are to 

 be fonnd a great nunilier of types, from llie connnon. nariowly lanceolate one with :i 

 broad base, tapering upwards and generally slitjhlly extended at the apex, through all 

 transitions, to specimens with narrowly elliptic leaves, subobluse at the top. The typical 

 var. InlifoUum Tikc.zan., especially characterized by broad. 5-nerved leaves, has not 

 been observed by me in the territory explored. Besides foiins wilh the commonly ralher 

 vigorous and erect stems, there occur specimens with somewhat relaxed and ascending 

 stems, and wilh more spreading or drooping pedicels. 



The flowering in this species did not appear lo begin till the end of .hme. The 

 specimens I have collected in the course of June, are therefore deslilute of fh)wers and 

 fruits, owing to which this material cannot be precisely determined. 



Very common in the territory explored, in southern Siberia as well as in Ihe I rjan- 

 kai country, where I have collected it at U.st Algiac, Usl Sisti-kem. near llu' Kamsara. at 

 I'st Tara-kem, near BjelosarsU, and on the Tapsa. 



Distribution: Northern and middle Europe, Caucasia. Turkestan. Ihe Himalayas. 

 Siberia, in the Yenisei valley northwards lo 70' 20' norih lal.. and eastwards to the 

 Tshuktsher Peninsula and Kamtchatka. northern Mongolia. Manchooria. China. Sakha- 

 lin, Japan, North America. 



Galium densinorum Ledeb. V\. Alt. I. p 1:^7: Ledeb. \'\. Boss. 11. p. Ii:'>: I.>M.r 'I'.r 

 A.rr. Ill (1904) p. 561. 



f. leiocarpum nov. f. 



Ah fornut lypica diUcii iicnninibus sciuprr oinnino Irrilnis i>rl siibf/ramilusis. 

 nunquam mitosis. Nodis leviler pilosis, caiilc cctcnun gUdno. I'rdunculis (juadraimu- 

 Udis. (jlidnis vd sparse bispidiilis. Fnutibus matiiris feir I mm. diamclru omnino glabris. 

 inlrrdum leviler (/raiiuldsis. minimum pilosis. 



The specimens occurring in my collections, differ in some respects from the descrip- 

 tion siven bv the author in Flora Altaica and Mora Bossica. They especially differ in 



40S 



