1900 SUPPLEMENT—RECENT INTRODUCTIONS, 
&c. 359 
EXARRHENA (from ez, out, and arren, male; in 
allusion to the exserted stamens). OrpD. Boraginew. A 
small genus (five species) of greenhouse or half-hardy, 
annual or perennial herbs, natives of Australia and New 
Zealand. It was included by the anthors of the ‘‘ Genera 
Plantarum” under Myosotis; but Sir J. D. Hooker now 
regards it as distinct, remarking that ‘‘whereas the 
filaments in Myosotis are inserted in the throat of the 
corolla some way down below the glands at the mouth 
of the tube between which the anthers lie (or point), 
in Evarrhena the stamens are inserted at the mouth 
itself, between the glands, and are therefore wholly ex- 
serted.” M. macrantha, the only species known to 
cultivation, is an erect, robust, half-hardy, sweet-scented, 
hispid-pilose herb, requiring cold-frame treatment and 
shade from bright sunlight, or the leaves will scorch. 
E. macrantha (large-flowered). #. yellow, sin. long, borne 
in terminal, bifurcate cymes; corolla twice as long as the 
ealyx, the upper part funnel-shaped, the lobes broadly 
oblong, obtuse. September. 7. radical ones 2in. to 4in. long, 
oblong-lanceolate ; cauline ones smaller, linear-oblong, obtuse. 
New Zealand, 1892. (B. M. 7291.) 
EXCCGCARIA (from exceco, to blind; in allusion to 
the effect of the juice and of the smoke of burning branches 
on the eyes). Syn. Commia. Orv. Euphorbiacee. A 
genus embracing about thirty species of glabrous, stove 
trees or shrubs, with acrid, milky sap, natives of tropical 
Asia, Africa, and Australia. Flowers minute. Leaves 
alternate or opposite. One or two of the species have 
_been introduced, but they are probably not now in 
cultivation. 
EXOASCUS. A genns of destructive fungi, several 
members of which are responsible for malformations in 
various fruit and other trees. EE. cerasi is responsible for 
the Witches Brooms of Cherry ; E. deformans for the Curl 
of Peach-Trees; and E. prwni for the Bladder or Pocket 
Ploms. They will be found described under their respective 
common names. There are many others found upon land- 
scape trees, but those enumerated are economically the 
most important. 
EXOBASIDIUM RHODODENDRI. See Alpine 
Rose Gall. 
EXOCARP. The outer layer of a pericarp. 
EXOCARPUS (from exo, outside, and karpos, fruit ; 
in allusion to the fruit resting on an enlarged pedicel). 
Syns. Sarcocalyr, Xynophylla. Orv. Santalacew. A 
genus embracing abont a dozen species of greenhouse trees 
or shrubs ; eight are Australian, and the rest are found in 
New Zealand, Norfolk Island, the Sandwich Islands, and 
Madagasear. Flowers minute, in small, axillary clusters. 
Leaves alternate or rarely opposite, often reduced to 
minute scales, or very deciduous, rarely larger and 
portent. E. cwpressiformis (R. G. 1888, p. 288, f. 60) 
as been introduced, but is of little horticultural value. 
EXOCHORDA. E. grandiflora is sometimes used as 
a wall-plant, but it also succeeds when grown as an isolated 
specimen upon the lawn. 
To the species described on p. 544, Vol. I., the following 
should be added : 
E. Alberti (Albert’s).* 1. white, inodorous, Zin. across, borne in 
profusion; stamens Srouped in five bundles. April and May. 
Jr. very large. 1. dark green, lanceolate, quite entire ; those on 
the sterile branches slightly toothed and more acute. Bokhara, 
888. A handsome shrub. (R. H. 1891, p. 409.) 
EXOTHOSTEMON. A synonym of Prestonia 
(which see). 
EXTRA-TROPICAL. Living in regions beyond the 
tropics. 
EYE CUTTINGS. A method of propagation fre- 
quently used for increasing the Vine (which see). 
EYED HAWE-MOTH. See Sphingide, Vol. III. 
EYREA. A synonym of Turpinia (which see). 
EYSENHARDTIA. Syns. Varennea, 
Flowers white, small, densely spicate-racemose. 
impari-pinnate ; leaflets numerous, small. 
FABA. 
Faba. 
Viborquia. 
Leayes 
The correct name of F. vulgaris is Vicia 
FABAGO. Included under Zygophyllum (which 
see), the correct name of F. major being Z. Fabago. 
FABRICIA (of Adanson), A synonym of Lavandula 
(which see). 
FABRICIA (of Thunberg), A synonym of Cur- 
euligo (which see). 
Wy 
Fie. 379. 
FADYENIA PROLIFERA, 
FADYENIA. F. prolifera (Fig. 379) is an eccentric- 
looking little Fern, but so thoroughly distinct from any 
other known species that no mistake as regards its 
classification can possibly be made by anyone who has 
seen it once. It is usually considered difficult to manage, 
yet it is free growing when kept under suitable con- 
ditions: these consist of heat, moisture, and permanent 
shade. It succeeds well in a compost of three parts 
fibrous peat and one part sand, with abundant moisture 
at the roots. Under such treatment it not only flourishes, 
but rapidly spreads in all directions, through the rooting 
of the proliferous extremities of its barren fronds, where 
the young plants thus produced (and without being dis- 
connected from the parent plant) in turn yield subjects 
haying all the characters of a fully-developed specimen. 
FADYENIA (of Endlicher). Included under Garrya 
(which see). 
FAGARA. 
see). 
FAGOPYRUM. F. esculentum emarginatum and 
F. tataricum are grown on the Continent. 
Included under Xanthoxylum (which 
