178 ARBORETUM ET FRUTICETUM BRITANNICUM. 
Other Species of Rhémnus. — There are various kinds described by authors, 
several of which are said to have been introduced, but they are either lost or 
synonymous with kinds already described. Among those which remain to be 
introduced are some which promise to be useful additions to this genus ; such 
as: — 
% R. persicifolius Bert. (Moris. Stirp. Sard. fig. 2.) — An erect shrub, with 
lanceolate, minutely crenated leaves, pubescent on the under side, and on long 
petioles. Calyx free. Sardinia. Height 10 ft. to 12ft. March and April. 
a R, amgygdalinus Desf. Atl. 1. p. 198. — A native of the North of Africa, in 
the fissures of rocks, where it grows to the height of 3 ft., and produces berries 
used for dyeing yellow, like those of R. saxatilis. : 
% R, prunifolius Smith Prod, Fl. Gree. 1. p. 157.— A native of Crete, on 
the highest mountains, and probably only a variety of one of the preceding sorts. 
& R. Sibthorpianus Schult. Syst. 6. p.286.; R. pubéscens Sibth. Fl. Gree. 
t. 239. — A native of Mount Parnassus, and nearly allied to 2. alpinus and R. 
Frangula. 
x R. Purshianus Dec. Prod. 2. p.25. R. alnifolius of Pursh, but not of 
L’Héritier. (Hook. Flor. 
Bor, Am.1. p. 123, t.43., 
and our fig. 267.) —A 
shrub growing to the 
‘W's, height of 6 ft., native of 
Pre ze, North America, on the 
2; banks of the Koorkoosky. 
g # R. oleifolius Hook. 
j 0) Fl. Bor. Am. 1. p. 123. t. 
44., Tor. & Gray, 1. p. 
200., and jig. 268. from 
Hooker, is an evergreen 
shrub, with coriaceous 
.) leaves, unarmed shoots, 
} i and the flowers small, in 
‘ axillary crowded panicles. 
Sey ec iehueanieipan nie It isa native of the north- 
west coast of California, 
where it forms a handsome shrub from 6ft. to 12 ft. high. 
& R. umbelldtus Cay. Icon. 6. p. 2. t. 504.— A shrub, growing 6 ft. high in 
Mexico ; was raised in 1839 in the Hort. Soc. Garden, from seeds sent home 
by M. Hartweg ; but itis probably only half-hardy. ; 
R., laurifolius Nutt., R. crdceus Nutt., R. lanceolatus Pursh, R. parvifolius 
Tor. § Gray, R. ferrugineus Nuit., R. californicus Esch., and R. texénsis 
Tor, § Gray, ave described in Tor. and Gray’s Flora of North America; R. 
pubéscens £7. Grec., and several others, are described in Don’s Miller, ane 
in the first edition of this work. 
Genus V. 
A 
COLLE‘TIA Com. Tue Couteria, Lin. Syst. Pentdndria Monog{nia. 
Identification. Kunth Nov. Gen. Amer., 7. p. 58. ; Dec. Prod., 2.p.28. Don’s Mill., 2. p. 34. 
Synonyme. Rhamnus in part. 
Derivation. Named by Commerson, in honour of Collet, his friend and countryman, who wrote 
upon the plants of Brest. 
fren. Char. Calyx campanulate, membraneous, coloured. Petals wanting, or very 
minute, linear. Stamens with ovate 2-celled, or reniform 1-celled, anthers. 
Disk short, cup-shaped, adnate to the bottom of the calyx. Ovary free, 
3-celled. Style simple, elongated. Stigma 3-lobed. Fruit guarded at the 
268. Rhamnus oleifolius. 
