350 



XXX. ECHINOSPERMUM. 



keeled, and the sides tubercled. 0. H. Native of Altaia, at 

 the river Tscharysch, and near Smejow. The whole plant is his- 

 pid from spreading hairs. Racemes terminal, elongated, usually 

 solitary, rarely twin ; bracteas narrow, ciliated. Corolla pale 

 blue. Segments of calyx linear. 



Slender Echinospermum. PI. J to 1 foot. 



12 E. MICROCA'RI-UM (Ledeb. fl. alt. 1. p. 202. fl. ross. alt. ill. 

 t. 183.) stems branched above, and are, as well as the leaves, 

 silky from strigae ; leaves oblong, or ovate-oblong, attenuated at 

 the base : radical ones rosulate ; tube of corolla exceeding the 

 calyx ; segments of calyx erectly spreading while bearing the 

 fruit, about equal in length to the pedicels ; nuts furnished with 

 a single row of approximate, glochidate prickles along the mar- 

 gins, having the disk a little keeled, and the keel and sides 

 tubercled. $ . H. Native of Altaia, in stony places, near the 

 summits of the Arkaul mountains ; and on mountains near 

 Bucktorminsk, and near the mine of Nicolajew. Stems many 

 from the same root. Racemes terminal, and sometimes axillary. 

 Bracteas ciliated. Corolla with a pale blue limb ; and the 

 scales on the throat yellow. 



Small-fruited Echinospermum. PI. J to 1 foot. 



13 E. CONDYLOPHORUM (Lehm. asper. p. 125.) branches diva- 

 ricately reflexed ; leaves lanceolate, villous ; pedicels thickened 

 when bearing the fruit ; nuts furnished with a single row of 

 glochidate prickles along the margins. I/ . H. Native of 

 Siberia. Root fusiform, simple, woody. Stem branched above, 

 beset with incumbent hairs. Racemes for the most part conju- 

 gate, with a solitary flower in the fork ; flowers distant. Calyx 

 strigose ; with oblong acutish segments, which are elongated 

 and divaricate in the fruit- bearing state. Corolla fine blue: 

 tube nearly the length of the calyx. 



Club-bearing Echinospermum. PI. 1 foot. 



14 E. BRAHYCE'NTRUM (Led. fl. alt. 1. p. 203. fl. ross. alt. ill. 

 t. 302.) stems branched above, and are, as well as the leaves, 

 rather silky from adpressed soft strigae ; leaves as in E. micro- 

 cdrpum ; tube of corolla a little shorter than the calyx ; but 

 twice shorter than the limb ; calycine segments erect in the 

 fructiferous state, exceeding the pedicels; nuts edged with a 

 single row of very short prickles, having the disk and sides 

 tubercled. 0. l/.H. Native of Altaia, in exposed stony places 

 between Butakowa and Tscheremschuka, and near Buchtar- 

 minsk. Very like E. microcdrpum. Racemes elongated. Calyx 

 hairy. Corollas varying to blue, red, and white. 



Short-spurred Echinospermum. PL 1 to 2 feet. 



15 E. SEMIGLA'BRUM (Ledeb. fl. alt. 1. p. 204. fl. ross. alt. ill. 

 t. 28.) leaves oblong, glabrous above, but hispid beneath, as 

 well as the stems which are branched ; tube of corolla length of 

 calyx, and about equal in length to the pedicels ; nuts furnished 

 with a single row of very long glochidate prickles along the 

 margins, having the disk keeled atid prickly, and the sides 

 tubercled. . H. Native of Altaia, in saltish sandy places at 

 the river Irtysch, not far from the Lake called Noor-Saisan. 

 Stems many from the same root, rather tufted. Radical leaves 

 rosulate, sub-spatulate, obtuse : cauline leaves ciliated at the 

 base. Racemes solitary or twin, bracteate. Calyx hispid. 

 Corollas small white, rarely pale blue. 



Half-glabrous Echinospermum. PI. | to 1 foot. 



16 E. MACRA'NTHUM (Ledeb. fl. alt. 1. p. 205. fl. ross. alt. ill. 

 t. 29.) stem branched; leaves strigose, oblong, obtuse, taperipg"* 

 to the base ; corollas twice as large as the spreading calyx ; 

 fruit-bearing pedicels about equal in length to the calyx ; nuts 

 furnished with a single row of glochidate prickles, which are 

 dilated at the base, upper ones the smallest, having the disk 

 keeled ; the keel prickly, and the sides somewhat tubercled. 

 . or . H. Native of Altaia, in sandy, saltish places, at the 

 river Istysch, not far from the Lake called Noor-Saisan. Stem 



solitary, or many from the same root. Leaves strigose. Ra- 

 cemes terminal, erect, strict. Bracteas similar to the leaves. 

 Calyx hispid. Corolla with a white tube, one-half shorter than 

 the calyx, and a blue limb, which is 3 times longer than the 

 tube. 



Large-flowered Echinospermum. PI. to 1| foot. 



17 E. MINIMUM (Lehm. asper. p. 12(5.) branches divaricate; 

 leaves lanceolate, obtuse, beset with spreading hairs ; pedicels 

 thickened in the fruit-bearing state ; nuts large, furnished with 

 a single row of somewhat branched, glochidate, very long 

 prickles along the margins. . H. Native of Siberia, at the 

 Volga, in nitrous places. Myosotis echinophora, Pall. itin. 3. 

 append, no. 71. t. j. i. f. 1. Willd. spec. 1. p. 750. Rochelia 

 echinophora, Rcem. et Schultes, syst. 4. p. 110. Plant hispid 

 from white hairs. Root simple, perpendicular. Calycine seg- 

 ments lanceolate, elongated, and spreading in the fruit-bearing 

 state. Corolla small, nearly the length of the calyx, with a 

 blue limb and a white throat. 



Least Echinospermum. PI. \ foot. 



18 E. REDOWSKII (Lehm. asper. p. 127.) stem simple, 

 straight ; leaves lanceolate-linear, beset with spreading hairs, 

 reflexed ; nuts furnished with a single row of short glochidate 

 pi ickles along the margins. $ , H. Native of Russia. Myosotis 

 Redowskii, Horn. hort. hafn. 1. p. 174. Rochelia Redowskii, 

 Roem. et Schultes, syst. 4. p. 110. Root fusiform. Stem 

 strigose. Racemes lateral and terminal, simple or bifid. Calyx 

 pilose, with linear segments, hardly the length of the corolla, 

 elongated and spreading in the fruit-bearing state. 



Redotvski's Echinospermum. Fl. May, July. Clt. 1819. 

 PI. 1 to 2 feet. - 



19 E. BARBA'TUM (Lehm. asper. p. 128.) stem branched 

 above ; leaves lanceolate, beset with incumbent hairs ; corolla 

 large, with a flat limb ; nuts furnished with a double row of 

 very short glochidate prickles along the edges. . H. Native 

 of Tauria, on calcareous mountains, to Caucasus and Iberia, in 

 gravelly and exposed places. Myosotis barbata, Bieb. fl. cauc. 

 1. p. 121. pi. cent. ross. t. 36. Myosotis, Pall. cat. pi. taur. in 

 nov. act. petrop. 1792. p. 303. Rochelia barbata, Roem. et 

 Schultes, syst. 4. p. 110. Root fibry, reddish. Stem beset 

 with soft incumbent hairs. Branches leafy, bearing the flowers 

 at the apex, for the most part bifid. Calyx villous, with oblong, 

 acutish segments, which spread in the fruit-bearing state. Co- 

 rolla fine azure blue, size of those of Myosbiis palustris. Pro- 

 cesses of the throat orange colour. 



Bearded Echinospermum. Fl. June, July. Clt. 1823. PI. 

 1 to 1 i foot. 



20 E. GRA'CILE (Lehm. asper. p. 129.) stems procumbent, 

 filiform; leaves linear ; nuts echir.ated ; echinae glochidate. . 

 H. Native of Chili, about Conception in fields, and on hills. 

 Myosotis gracilis, Ruiz, et Pav. fl. per. 2. p. 5 and 6. no. 3. 

 Pers. ench. 1. p. 157. Rochelia gracilis, Rcem. et Schultes, 

 syst. 4. p. 11 1. Root capillary. Plant rather hispid. Flowers 

 lateral, secund, disposed in a loose, leafy raceme. Corolla 

 white. 



Weak Echinospermum. PI. procumbent. 



21 E. MARGINA'TUM (Lehm. asper. p. 130.) stem erect, 

 branched above ; leaves oblong, obtuse, beset with spreading 

 hairs ; nuts furnished with a single row of glochidate prickles 

 along the margins, which are combined to the middle. . H. 

 Native on the Lower Volga, about Astrachan, in vineyards and 

 sandy places. Myosotis marginata, Bieb. fl. cauc. 1. p. 120. 

 Horn. hort. hafn. 1. p. 174. Willd. enura. 1. p. 176. Rochelia 

 marginata, Rcem. et Schultes, syst. 4. p. 110. Root simple, 

 perpendicular. Stem pilose. Racemes erect. Calyx pilose ; 

 segments lanceolate, spreading in the fruit-bearing state. Co- 

 rolla small, a little longer than the calyx, blue. 



