NOTES 411 
which differed by larger spines arranged in star-like clusters and 
by a red juiced fruit. Thus Miller’s plant evidently belonged to 
the group of Dillenii, &e. Mr. Burkill substitutes for our plant 
the name of O.decumana. But Haworth’s description of O. decu- 
mana does not agree with our plant, nor can the latter have been 
unknown in England before 1820, which year is given by Haworth 
as the time of the introduction of O. decumana. I therefore 
prefer to retain for our plant the name O. Ficus-indica Guss. 
(not Miller), under which designation it has been known for such 
a long time, at least, until Miller’s plant has been incontestably 
identified. See also the note on O. decwmana. 
O. Ficus-indica var. Amyclea was collected by the writer on 
December 26th, 1900, on Monte Pellegrino, near Palermo, where 
it grows in hedges along the roads. It differs from the common 
prickly pear by being more aculeate and is believed to be the 
aboriginal form of that species. 
O. hematocarpa, O. Hanburyana, and O. inequilateralis were 
first described from plants grown at La Mortola. They have all 
very fine yellow flowers. 
O. inermis is well figured in De Candolle’s Plantes Grasses 
(1797) and is identical with O. stricta Haw. (1803). I have not yet 
been able to ascertain whether the plant reported as O. inermis,* 
from Catalonia and the Balearic Islands, really belongs to this 
species. 
O. Lemaireana is closely allied to O. monacantha, but much 
smaller. We received it from Dr. Weber. 
O. leptocaulis was bought from the Jardin d’Essai, Hamma, 
Algiers, in February, 1873. It has very small yellowish green 
flowers. 
O. leucotricha is easily recognized by its long white hairs pro- 
truding from the areoles together with the spines; it forms fine 
plants, with pretty yellow flowers and nice aromatic fruits, known 
in Mexico as “ Duraznilla.” 
O. monacantha is an old inhabitant of. the gardens of this 
neighbourhood, and is occasionally seen subspontaneous on rocks 
between Mortola and Nice. It is well figured in De Candolle’s 
Plantes Grasses, t. 187, as Cactus Opuntia tuna. 
O. Nashii was received in 1904 from New York Botanic 
Garden. It belongs to the section ‘‘ Consolea.” 
O. nigricans was sent by Dr. A. Weber, in 1901. 
O. parva. . This is one of the smallest of the “Tuna” group. 
It is a low shrub, about 4 m. high, with obovate thick joints, 
5-10 m. high, distant areoles, and with only a few single spines, or 
almost inerme. The flowers are yellow, the fruits small, turbinate, 
about 2 cm. long, scarcely reddish. In habit it much resembles 
the figure given in De Candolle’s Plantes Grasses as Cactus Opuntia 
nana, but it is not procumbent. 
O. pilifera was also received from Dr. Weber. So far its 
flowers are not known. 
* See Schumann, Monographia Cactacearum, p. 718. 
