longissima longest jnts. obl. obov.

polyantha DC. many-fld. joints obov.

polyacantha Haw. many-sp. joints obov.

megacantha n.o.b. large-sp. joints obov. glau.

albicans n.o.b. white-sp. jnts. obov. gl. obl.

triacantha Haw. three-sp. joints obov. obl.

nigricans Haw. dark joints obl. sp.

humilis Flaw. dwarf jnts. obov. obl.

lasiacantha woolly-sp. jnts. obov. glau.

Dillenii Haw. Dillenius's jnts. obov. gl. und.

_Systematic No. and Colour of Col. of Native Year of Name. Spines. Flower. Country. Introduc._ ------------------+-------------------+-------+--------+---------- spinosissima Haw. sp. elong. ye. .. Jama. 1732 D.S.S.

dolabriformis sp. wh. ye. .. ...... 1835 D.S.S.

leucacantha Ott. sp. wh. setac. _wh._ S. Ame. ---- D.S.S.

ye.

calacantha Ott. sp. 5-7 wh. ye. .. ...... 1836 D.S.S.

_rubra_ ...... ---- D.S.S.

leucotriche DC. sp. flex. wh. .. Mexico ---- D.S.S.

elong.

senilis Parm. sp. elon. wh. .. ...... 1837 D.S.S.

hairs wh.

longissima sp. ye. elon. .. ...... 1835 D.S.S.

depr.

polyantha DC. sp. ye. setac. ye. .. S. Am. 1811 D.S.S.

polyacantha Haw. sp. 3-4 wk. ye. .. N. Am. 1814 D.S.S.

megacantha n.o.b. sp. 3-5 long ones .. Mexico 1835 D.S.S.

ye.

albicans n.o.b. sp. wh. ye. .. ...... ---- D.S.S.

triacantha Haw. sp. wh. .. S. Am. 1795 D.S.S.

nigricans Haw. sp. 3-5 ro. br. .. ...... ---- D.S.S.

bk. ap. ye.

humilis Flaw. sp. ye. .. ...... ---- D.S.S.

lasiacantha sp. 1-4 wh. apex .. ...... ---- D.S.S.

ye.

Dillenii Haw. sp. ye. .. S. Am. 1810 D.S.S.

IV. SETACEae, OR SUBSPINESCENTES.

_Systematic English Form of Name. Name. Stems, &c._ -------------------+------------------+----------------------- microdasys Lehm. small-hairy joints obov.

_minor_ _O. pulvinata_ DC.

parvula n.o.b. small joints ellip. ob. glau.

stricta Haw. upright joints obl. obov.

tuberculata Haw. tubercled joints obov.

vulgaris Haw. common joints ov.

_major_ _larger_ italica Italian joints obov. obl.

glauca glaucous joints erect obov.

dec.u.mbens Salm. dec.u.mbent joints obov. compr.

_irrorata_ _H. Ber._ cochenillifera Haw. cochineal Fi. joints obov. obl.

lanceolata Haw. lanceolat jnts. obov. lanc.

rubescens Salm. rubescent joints elon. red-gr.

tomentosa Lk. hairy joints lanc. comp.

Mexicana Mexican joints obl. lanc. elon.

elata Ott. tall jnts. er. ob. la. a. re.

Salmii SalmDyck's jnts. obov. ob. gl.

dec.u.mana Haw. great-ob. jnts. ov. obl. gl.

candelabriformis candlestick-fd. jnts. obov. ott.

grandis great jnts. ellip. ob. gl.

Americana American jnts. ellip. glau.

Amcylcea DC. Neapolitan jnts. ob. ellip. c.

Tuna Haw. Tuna jnts. ov. obl.

Ficus Indica Indian Fig. joints obl.

cra.s.sa Haw. thick-lobed joints obov. obl.

Bonplandi Bonpland's jnts. obov. orb.

horrida Salm. horrid jnts. ob. repand.

Pseudo Tuna Salm. False Tuna joints obov.

longispina Haw. long-spin. jnts. ellip. ob. li. gy.

Hitchenii Hitchin's jnts. ob. ellip. gl.

Parote? jnts. obov. glau.

spinulifera Salm. small-spin. joints obov.

dejecta n.o.b. dejected joints obl. elon.

monacantha Haw. single-sp. jnts. obl. obov.

flexibilis flexibile jnts. ob. orb. gl.

sericea G. Dom. silky jnts. obov. glau.

_caerulea_.

_Systematic No. and Colour of Col. of Native Year of Name. Spines. Flower. Country. Introduc._ -------------------+--------------------+-------+--------+---------- microdasys Lehm. ye. setac. dense .. ...... ---- D.S.S.

ye.

_minor_ parvula n.o.b. setac. br. .. Chili 1835 D.S.S.

stricta Haw. setac. ye. _ye._ S. Am. 1796 D.S.S.

tuberculata Haw. setac. why. ye. .. ...... ---- D.S.S.

vulgaris Haw. stm. creep. setac. _ye._ S. Eur. 1596 D.S.S.

re. br.

_major_ italica setac. short ye. _ye._ ...... 1835 D.S.S.

glauca sp. ye. ap. br. .. ...... ---- D.S.S.

dec.u.mbens arcol. dk. gr. .. Mexico 1835 D.S.S.

_irrorata_ cochenillifera Haw. nearly unarmed _pk._ S. Am. 1688 D.S.S.

lanceolata Haw. sp. ye. short. _ye._ ...... 1796 D.S.S.

setac. ye.

rubescens Salm. red-gr. setac. wh. .. Brazils 1828 D.S.S.

tomentosa Lk. sp. wh setac. ye. _yo._ S. Am. 1820 D.S.S.

Mexicana setac. wh. .. Mexico 1835 D.S.S.

elata Ott. sp. 1-wh. .. S. Am. 1731 D.S.S.

Salmii sp. 2-4 wh. setac. .. ...... 1835 D.S.S.

br.

dec.u.mana Haw. sp. wh. setac. .. ...... 1768 D.S.S.

ye.

candelabriformis sp. 1-3 wh. setac. .. ...... 1835 D.S.S.

ye.

grandis sp. 1-wh. setac. .. ...... ---- D.S.S.