222 LVIII. CACTE^. 



Melothria, Linn. 



Cunninghamii, F.v.M. (Fig. 195.) 

 Muelleri, Behth. 



Zehneria, Endl. 



ejecta, Bail. — The Queensland Squirting Cucumber (See 

 Ol. Fl. p. 699.) 

 Mukia. Am. 



scabrella. Am. (Fig. 194.) 



Tribe II. — Sicyoide^e. 



Sicyos, Linn. 



anerulata, Linn. 



Tribe III. — Zanonie.e. 

 Alsomitra, B. et H . 



capricornica. F. v. M. 

 suberosa, Bail. 

 Hookeri, F. v. M. 

 Stephensiana, Cogn. 



Alliance XIV.— F ICO I DALES. 



Order LVIII.— CACTEjE. 



Tribe I. — Echinocactete. 



"Cereus, Hazv. 



triangularis. Haiv. — Strawberry Pear. Brazil. 



Tribe II. — Opuntie.e. 



*Opuntia, Mill. — All American. 



vulgaris. — Prickly-pear. Stamens sensitive. Noxious weed. 

 This is a great pest. The specific name here chosen is 

 that which has been used mostly when speaking of it 

 as a noxious weed, but systematically it is most probably 

 a form of 0. Dillenii, Haw. — the Cactus indicus of 

 Roxburgh. 



Tuna, Mill. — Noxious weed. 



ferox, Flaw. — Noxious weed. The plant naturalised in 

 Queensland is a large form of this species. 



monacantba, Hazv. — Noxious weed ; sometimes met with 

 round about Brisbane. 

 '■■Pereskia, Mill. Did. 



aculeata, Mill. Diet. — Barbadoes Gooseberry; a useful plant 

 for rearing the cochineal insect upon ; a stray from 

 hedges. 



