Chapter I: Tenuispini

_Systematic English Form of
Name. Name. Stems, &c._
------------------+-----------------+------------
Ottónis Lk. Otto's ribs 10-12.
tenuispínus Ott. slender.-sp. ribs 11.
Línkii Lehm. Link's ribs 13.
corynódes Ott. claved ribs 16.
*Montevidensis. Mt. Video. ribs 13-obt.
rhodánthus rose-fld. ribs 13-14.
acutanguláris HB. acute-ang. ribs 18.
acuátus Ott. sharp-rib. ribs 13 acute

_Systematic No. and Colour of Col. of Native Year of
Name. Spines. Flower. Country. Introduc._
-----------------+------------------+--------+--------+-----------
Ottónis Lk. sp. ext. wh. _ye._ Mexico 1829 D.S.S.
centr. br.
tenuispínus Ott. sp. ext. wh. _ye._ Brazil 1835 D.S.S.
cent. ye. br.
Línkii Lehm. sp. ext. wh. _ye._ Mexico ---- D.S.S.
cent. bk.
corynódes Ott. sp. ext. wh. _ye._ ...... ---- D.S.S.
cent. br.
*Montevidensis. sp. ye. apex br. .. Mt. Video ---- D.S.S.
rhodánthus sp. ext. wh. _ro._ ...... ---- D.S.S.
cent. br.
acutanguláris HB. sp. ext. wh. _ye._ ...... ---- D.S.S.
cent. br.
acuátus Ott. sp. ye. 10-13 _ye._ Mt. Video 1836 D.S.S.

II. ACULEIS ERECTIS.

_Systematic English Form of
Name. Name. Stems, &c._
------------------+-----------------+---------------
pachycéntrus Lehm. thick-sp. ribs 12-12. obt.
centetérius Lehm. awl-sp. ribs 10 tuber.

_Systematic No. and Colour of Col. of Native Year of
Name. Spines. Flower. Country. Introduc._
------------------+------------------+--------+--------+----------
pachycéntrus Lehm. sp. ye. apex br. .. ...... 1836 D.S.S.
centetérius Lehm. sp. ext. 8-10. _li. re._ ...... ---- D.S.S.
cent. 4.