Palms of British Guiana. 237 
mas. — Unarmed, or rarely armed, palms of the old and new world." — 
Hooker.] 
Genus VIII.— CHAIVLEDOREA. 
\_C. gracilis, Wild : 
According to Schomburgk this palm occurs in the 
Canakoo and Tooarootoo mountains in the forest region, 
and also in the Humirida mountains in the sandstone 
region, flowering in March and April.] 
[C. pauciflora, Mart : 
Schomburgk states that this occurs on the upper 
Essequibo and in the Canakoo mountains, in woods near 
Roraima and the Humirida mountains, and in coppices 
and on river-sides in the savannah region. It flowers, 
he says, in August and September. 
I myself have never seen any palm of this genus in 
Guiana.] 
Subtribe IV. GEONOMIE^. 
[" Spadix flowering amongst the leaves; spathes 1-2, rarely more. 
Flowers dioecious, or if monoecious on separate spadices ; perianth dry ; 
males unsymmetrical, much compressed with petals connate below ; 
females with imbricate petals. Ovary 3-celled, 3-ovuled. Fruits small 
with basilar stigmas. — Unarmed palms of the old and new worlds." 
— Hooker.] 
Genus IX. GEONOMA. 
[Flowers with their bracteoles sunk into the alveoles of the rachis. 
Perigone exterior 3-phyllous, interior ... 3-phyllous, ... 3-fid (or closed, 
circumsessile). Stamens 6, monadelphous : anther-cells usually distinct, 
refiexed. Ovary i-celled, surrounded by a 6-dentate cupule ; style 
3-fid, supra-basilar. Berry with the albumen entire ; embryo at its base. 
. . . . Trunk arundinaceous, rarely none ; leaves pinnatisect-bifid, 
usually unequally divided : segments flattish, with the base often broadly 
adnate ; spathes several — 2 at the base of the spadix, marcescent," — 
Griesbach.j 
GG 3 
