. The vegetation of the Siberian-Mongolian frontiers (the Sayansk region). Botany; Botany. Adenophora liliifolia Ledeb. Ind. Sem. Hort. Dorpat. (1822); Ledeb. Fl. Ross. II, p. 894; Korshinsky, Unters. Russ. Adenophora (1894) p. 39; cDjr. Ajit. Ill (1904) p. 781. A. communis Fischer in Mem. Soc. Natur. Moscou VI, p. 168; Ledeb. Fl. Alt. I, p. 246; Karel. et Kiril. Enum. PI. Fl. Alt. no. 572. A. sfj/Zosal Fischer, Ledeb. Fl. Alt. I, p. 245; Ledeb. Fl. Ross. II, p. 895.^Ar polymorpha Ledeb. var. denticulata, stylo exserto et La- marckii stylo exserto Herder, PI. Radd. (1872) p. 309. A. com
. The vegetation of the Siberian-Mongolian frontiers (the Sayansk region). Botany; Botany. Adenophora liliifolia Ledeb. Ind. Sem. Hort. Dorpat. (1822); Ledeb. Fl. Ross. II, p. 894; Korshinsky, Unters. Russ. Adenophora (1894) p. 39; cDjr. Ajit. Ill (1904) p. 781. A. communis Fischer in Mem. Soc. Natur. Moscou VI, p. 168; Ledeb. Fl. Alt. I, p. 246; Karel. et Kiril. Enum. PI. Fl. Alt. no. 572. A. sfj/Zosal Fischer, Ledeb. Fl. Alt. I, p. 245; Ledeb. Fl. Ross. II, p. 895.^Ar polymorpha Ledeb. var. denticulata, stylo exserto et La- marckii stylo exserto Herder, PI. Radd. (1872) p. 309. A. communis Fischer var den- ticulata (ex parte), Lamarckii (ex parte) et integerrima Trautv. Catal. Campanul. Ross. (1879) p. 97-99. Specimens of the typical plant I have found in open, dry places in the Amyl taiga and at Ust Algiac, flowering in July. Resides, I have collected rather frequently small spe- cimens, agreeing perfectly with material I have seen in the herbarium of the Imperial Botanical Gardens in Petrogprad, designated by Korshinsky himself as Adenophora lilii- folia forma genuina modif. nana Korsh. This small and very characteristic plant is very common on the Abakan Steppe, in the tracts between Askys and Ust Abakansk, where collected by me in several places, especially along dried up brooks' courses, in thickets, among stones and gravel, and in similar localities. The whole plant is completely glabrous. The stem is simple, generally 10—15 cm., rarely up to 20 cm. high, bearing generally only 1 terminal, nodding flower, rarely 2—3 farther down the stem. The sessile leaves, which are nearly clasping at the base, lan- ceolate, sharply denticulate at the margin, with appressed teeth, are 2—3,5 cm. long, and to 5 mm. broad, with a distinct midrib. The leaves are generally rather approximate, especially so in the lower parts of the stem, where also the broadest leaves are to be ^.^ ^^^ Adenophora liliifolia Ledeb. f. genaina found, becoming upwards! gradually jnore
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