CL. XX.] S± OPttRYS MYODt:S. 



433 



Spina alba altera, Matth. 494. 

 Ritro, Lobel. Hist. 481. ic. 2. 8. 

 Chalceios, Dalech. 1483. 

 Spina Arabica, Dalech. 1467. 



Echinops major, J. Bank. Hist. 3. 69. Toiirn. Inst. 463 

 Carduus globosus, /. Ger. emac. 1151. 



Echinops sphaerocephalus, Linn. Sp. Ph 1314. Willd. Sp^ 

 PI. 3. 2396, Lam. lllustr. 719. 



Geographical Distribution. 



This plant is diffused from the north of Africa (30 <^ N. 

 Lat.), over all the temperate regions of Europe. But Bar- 

 by, on the Elbe, (52° N. Lat.), seems to be its northern 

 limit. It grows, indeed, here and there, even in Sweden, 

 beyond Liljeblad ; but, as it is not mentioned by Linnaeus, it 

 has probably been propagated from the gardens. 



GLASS XX. 

 Gynandria. (Orchideae.) 

 %% 



Ophrys my odes, Jacqu. 



Insecten-Ragwurz. — -French, Ophrys wowc/^^*.— Engl. Fh/^ 

 orchis. — Swed. Flug-blomster. 



This beautiful and interesting plant grows sparingly in 

 June, in our mountain woods, on clay soils. From a tuber, 

 of a yellowish-brown colour, and of the size of a hazel-nut, 

 by the side of which a second commonly stands, and on the 

 top of which several fibrous roots are expanded, arise, in the 

 first place, convoluted, whitish sheaths, afterwards three or 

 four leaves, embracing the stem, oblong lanceolate, smooth on 

 both sides, quite entire, penetrated by parallel nerves, some- 



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