_Systematic English Form of
Name. Name. Stems, &c._
------------------+-----------------+----------------------
tuberculátus tubercled stm. glo. r. 8 obt.
platyacánthus flat-spined st. glo. r. 21-24.
polyacánthus many-sp. st. ov. glo. r. 21 ob.
*xanthacánthus yellow-sp. st. depr. 11 ang.
_Systematic No. and Colour of Col. of Native Year of
Name. Spines. Flower. Country. Introduc._
---------------+---------------------+-------+--------+----------
tuberculátus sp. 8. ext. sp. elon. .. Mexico 1826 D.S.S.
platyacánthus sp. 7-8. cent. 4. .. Mexico 1837 D.S.S.
polyacánthus sp. 8. spread. .. Brazil ---- D.S.S.
*xanthacánthus sp. y. elong. .. ...... 1835 D.S.S.