* 
t. 45, f. 1), which, with similar habit, differs totally in 
inflorescence and spikelets. : “4 
O. concinna arrived at the Royal Gardens, Kew, in 
1891, in a box of filmy-ferns, sent by Mr. C. Winkle, from 
San José in Costa Rica. It flowered in January, 1895, and 
forms a very elegant evergreen pot-plant. 
Descr.—A dwarf, densely tufted, perennial grass, quite 
glabrous. Stems six to ten inches long, filiform, at first 
erect, then decurved and drooping, clothed with leaves, 
except the erect basal portion. Leaves an inch long, uni- _ 
form in disposition and form throughout the stems, dis- — 
tichous, sessile in the very short sheaths, almost imbri- 
cating, ovate, cuspidately acuminate, unequal-sided, striate 
with close-set nerves, midrib faint, base rounded, margins 
ciliolate, dark green above, often at length rufous 
towards the tips, pale beneath; sheaths slightly com- 
pressed, mouth unequally two-auricled, ligule short, 
rounded. Spikes rather shorter than the leaves, terminal 
and axillary; peduncle enclosed in the leaf-sheaths and 
rachis very slender, strict, rigid, compressed. Spikelets 
three, two fem. and one male. Jem. spikelets very distant, 
one at the top, the other half an inch below it at the base 
of the spike, lanceolate, about half an inch long; gl. I 
and II herbaceous, lanceolate, acuminate, 3-nerved, margins 
incurved, III shortly stipitate, coriaceous, margins in- 
volute; palea like the gl. but *ather shorter and 
narrower. Lodicules 8. Style very long and slender, 
stigmas short. Male spikelets solitary in a long filiform 
pedicel inserted at the base of the lower fem. spikelet ; 
very minute; gl. solitary, 1-nerved; stamens 3, with 3 
minute lodicules at their bases.—J. D. H. 
Fig. 1, Leaf and spike; 2, male spikelet; 3, its glume; 4, stamens and 
lodicules; 5, fem. spikelets with gl. I removed; 6, palea; 7, stipes of gl. III 
with lodicules and style and stigmas; 8, lodicule :—A/I enlarged, 
ew 
