Distribution: Northern Mongolia and southern Siberia, from the government of 

 Yeniseisk and eastwards to the Tshuktsher Peninsula and Kamtchatka, China, Sakhalin, 

 North America (Isl. Unalashka). 



Rhododendron daburicum L. Spec. PI. ed. 11 (1762) p. 562; Ledeb. Fl. Alt. II, p. 96; 

 Turczan. Cat. Baical. no. 742; Ledeb. Fl. Ross. II, p. 921; Turczan. Fl. BaicaL-Dahur. (1848) 

 p. 501, no. 750; Maxim. Rhododendr. Asiae Orient. (1870) p. 43; Herder, PL Radd. (1872) 

 p. 347, no. 48; KpBiji. <I)ji. Ajit. II (1 904) p. 792; E. Eyuit, Ericaceae bi. $jt. Ch6hp. h fl^ajihu. 

 BocT. II (1915) p. 29; KysHeuoBi., BepecKOBbia Bt ^eA^enito, $ji. AaiaT. PoccIh 9 (1916) p. 21. 



Some specimens of this one I have collected on cliffs, on the borders of a small lake 

 in subalpine woods of spruce and cedar in the Altaian, on the Upper Sisti-kem, about 

 1400 m. above sea-level. Mostly past flowering and with ripe fruits, only a few specimens 

 in flower at the end of July. All of the specimens collected belong to var. dauricum 

 Maxim. 1. c. (1870) p. 44. 



Distribution: From the Altai region and eastwards through southern Siberia and 

 northern Mongolia to Kamtchatka and Manchooria, Corea, northern China, Sakhalin, 

 Japan. 



Phyllodoce coerulea (L.) Babingt. Manual. Brit. Bot. ed. I (1843) p. 194; E. Byim., 

 Ericacea b-b 4)ji. Cnfinp. h /J^ajibH. Boct. II (1915) p. 46; KysneitOBi,, BepecKOBBia bi ^effienKO, 

 $ji. A3iaT. PocciH 9 (1916) p. 33. P. taxifolia SaUsb. Parad. Londin. I (1806) t 56; Ledeb. 

 Fl. Ross. II, p. 916; Maxim. Rhododendr. Asiae Orient. (1870) p. 6; Turczan. Fl. Baical.- 

 Dahur. (1848) p. 497, no. 746; Herder, PI. Radd. (1872) p. 336, no. 40. 



Pretty common in the Altaian, on rocky debris, and the like, at altitudes of about 

 2100 m. above sea-level, together with mosses and lichens, frequently associated with Saxi- 

 fraga stellaris suhspec. comosa ; in full flower at the end of July. The specimens agree 

 rather perfectly with Scandinavian material, with the exception of the corolla apparently 

 being mostly somewhat shorter than in the Scandinavian ones, and not always sO' mark- 

 edly nodding; moreover, the style is mostly somewhat longer, so that the pistil may fre- 

 quently be seen in the orifice of the corolla, while it is generally from 1 to 2 mm. shorter 

 in Scandinavian specimens. 



Distribution: Scandinavia, Scotland, the Pyrenees, northern Italy, northern Russia, 

 the northern Ural, the Sayansk district (northern Mongolia), Baikal, Trans Baikal, the 

 Amoor Province, the Tshuktsher Peninsula, Kamtchatka, Sakhalin, North America. 



Nate: TJbie figure of this species to be found in the wonk quoted above, by Mme E. BuscH (1915) p. 

 47, was mot likely to belong to the typioali Phyllodoce coerulea. ThuS', ilt diiffeirs diifiifcimctly in having the 

 flowers quJrte cmeot, not niodidinig dtiring the fflowering; the coTolla is comsiLdea-ably shorter and wider, open- 

 campamuiLaite, mot coooistricted' at the thraait, widle and opem, the lobes riatber lairgi©, siubobifcuise, being especiiailly 

 disitinotLy incliiued backwands. Mioreover, it iis disitinigiiiisihed by having the style miucih ppoi«otinig. These 

 last cbiaracteris may be seen aspeoially distitnictly in the initerisected anid miagnlified fliower on tlhe rigiht 

 hand eidie of the figTire at the boititoim. 



This specimieni, belong'lnig to Komarow's oolleotiono fromi KJaimitchatka, cainiiiolt be nefenieid to the typi- 

 cal Phyllodoce coerulea, but sieemeid to be a siubspecies, oir pertopsi s.till more pnobiably a disltimot species, 

 preeisietly dlieifcinguisihed frocm the latter by the above-mentioned obanacteTSi. Howevieir, as I have mot seen 

 thesie speeimenis myself, I dane not g'ive a fuM description of it, based upon a sdngile figTire ootily, which 

 may possibly he> iniaccnrate lat some piolmtlsi. In only wisih hereby to draw attention to these ciroumistajiiceB. 



341 



