apex ye.

_hexagonus W.

heptagonus_ Haw.

monstrsus sp. br. _re. wh._ S. Am. 1816 D.S.S.

eburneus Salm. sp. slen. ...... 1818 D.S.S.

tetragonus Flaw. sp. 10-12 br. .. ----- 1710 D.S.S.

ye.

*amblygonus sp. ext. 7-cent. .. B. Ayres 1836 D.S.S.

1 dk. br.

VIII. SUBGLAUCESCENTES.

_Caule_ 3-6-_angulari erecto_.

_Systematic English Form of Name. Name. Stems, &c._ ------------------+-----------------+----------------- laetevirens Salm. br. green 3-5 an. ribs com.

obtusus Haw. obtuse 3-5 an. ribs ott.

Pitahaya Jacq. Pitahaya 3-ang.

variabilis Ott. variable 3-an. ribs com.

pentagonus five-ang. 5-ang.

_Systematic No. and Colour of Col. of Native Year of Name. Spines. Flower. Country. Introduc._ -----------------+-----------------+---------+--------+----------- laetevirens Salm. sp. 6-9 br. .. ...... ---- D.S.S.

obtusus Haw. sp. 6-8-br. ye. _wh. gr._ ...... ---- D.S.S.

Pitahaya Jacq. sp. 7-9 erect .. Cartha. ---- D.S.S.

ye. br.

variabilis Ott. sp. 6-8 br. ye. .. ...... 1836 D.S.S.

pentagonus sp. wh. y. .. S. Am. 1769 D.S.S.

IX. TUBERCULATI.

_Systematic English Form of Name. Name. Stems, &c._ ------------------+-----------------+---------------- Deppei Ott. Deppi's 6-ang. ribs obt.

propinquus Salm. allied 5-ang. ribs obt.

leptacanthus DC. thin-spined 5-ang.

_Systematic No. and Colour of Col. of Native Year of Name. Spines. Flower. Country. Introduc._ ----------------+------------------+--------+--------+---------- Deppei Ott. sp. 8-9 wh. .. Mexico 1826 D.S.S.

propinquus Salm. sp. 6-7 wh. ye. .. ...... ---- D.S.S.

leptacanthus DC. sp. elon. wh. ye. .. ...... ---- D.S.S.

apex br.

X. CYLINDRACEO-ATTENUATI.

_Caule_ 5-11-_angulari erecto_.

_Systematic English Form of Name. Name. Stems, &c._ --------------------+-----------------+----------------- repandus DC. repand 8-9 an. rib. und.

_aureus_ _yellow-spined_ subrepandus Haw. subrepand 7-8 ang.

c[oe]rulescens n.o.b. blue 8-9 ang. glau.

*glaucescens glauces. 5-8 an. ribs obt.

fimbriatus DC. fimbriated 8-ang. ribs obt.

eriophorus H. Berol. woolly 8-ang. ribs obt.

divaricatus DC. divaricated 8-10 an. r. obt.

serpentinus Haw. serpentine 11-ang.

_Systematic No. and Colour of Col. of Native Year of Name. Spines. Flower. Country. Introduc._ -------------------+-------------------+--------+--------+---------- repandus DC. sp. 8-9 wh. _wh._ W. In. 1728 D.S.S.

& bk.

_aureus_ ...... 1836 D.S.S.

subrepandus Haw. sp. 8-9 elon. br. .. Carib. 1811 D.S.S.

apex bk.

c[oe]rulescens n.o.b. sp. elon. bk. .. Brazil .... D.S.S.

jun. wh.

*glaucescens sp. bk. .. B. Ayr. 1836 D.S.S.

fimbriatus DC. sp. 12-14 wh. _w._ S. Dom. 1826 D.S.S.

apex bk.

eriophorus H. Berol. sp. 8-10 wh. _re._ ...... 1835 D.S.S.

apex bk.

divaricatus DC. sp. 8-9 wh. .. ...... 1826 D.S.S.

apex bk.

serpentinus Haw. sp. 10 slen. wh. _pu. wh._ Peru 1817 D.S.S.

ap. br.

XI. MULTANGULARES.

_Systematic English Form of Name. Name. Stems, &c._ ------------------+-----------------+--------------------- multangularis Ha. many-an. stm. cycl.

_spinis albis_ _whitespined_ myriophyllus myriad-led. stm. cyl. spotted strigosus Gill. strigose stm. cyl. 14-a. n. s.

myriacanthus myriad-sp. stm. cy. 14-15-a.

spinosus. .h.i.tch. spiny st. erect. c. 14-16 a.

*Bonariensis Bu. Ayres st. erect. 11-14-a.

*tenuatus slender-sp. stm. erect 18-ang.

_Systematic No. and Colour of Col. of Native Year of Name. Spines. Flower. Country. Introduc._ ------------------+------------------+--------+--------+----------- multangularis Ha. sp. dense .. S. Am. 1815 D.S.S.

ye. br.

_spinis albis_ ...... ---- D.S.S.

myriophyllus sp. ye. br. .. ...... ---- D.S.S.

strigosus Gill. sp. wh. br. .. ...... ---- D.S.S.

myriacanthus sp.1-1/2-inch .. Chili ---- D.S.S.

long br.

spinosus. .h.i.tch. sp. ye. br. .. ...... ---- D.S.S.

*Bonariensis sp. ye. red at .. B. Ayr. 1836 D.S.S.

base *tenuatus sp. ext. 7. re. ye. .. ...... ---- D.S.S.

br. c. 1

XII. FLAGELLIFORMES.

_Systematic English Form of Name. Name. Stems, &c._ -------------------+--------------+--------------------- flagelliformis Haw. rod-shaped 10-an. tuberc-c.

_minor_ _smaller_ *costatus ribbed 8-9 ang.

flagriformis Zucc. whip-sh. 8-ang. tuburc. not so crowded as in last Martia.n.u.s Martins's 10-ang. tuberc.

leptophis DC. thin serpent 6-7-an. t. remote Smithi Smith's tuberc. none tenuissimus very slender 4-5 ang.