TRIANDRIA. MONOGYNIA. — 25. 
pedicellate beyond the spathe; (laminz in seve- 
ral species aristate.) 
Root fibrous;stem compressed, ancipital, divided; flow- 
ers both terminal and axillary; spatha many-flowered, 
compressed-carinate. Flowers white, yellow, or blue. 
Species. 1. mucronatum. 2. anceps. 3. Bermudianum? 
Oxs. Of 9 species now enumerated, 4 inhabit the tropi- 
cal regions of America, (Peru, Guiana, and the West- 
Indies) having white and yellow flowers; 3 belong to the 
United States, producing blue fiowers with aristate petals; 
1 with yellow flowers to the Cape of Good Hope, and 
another of a doubtful genus, resembling Zia, was dis- 
covered by Forster in New Zealand. 
36. BOERHAAVIA. L. 
Calix tubulose with an entire margin. Co- 
rolla monopetalous, campanulate, plaited. Seed 
1, invested by the persistent calix, naked or tu- 
berculate, 5-furrowed, obconic. (Stamina 1, 2, 
3, 4, and 10.) 
Stems herbaceous or shrubby, leaves opposite, one of 
the leaves often less than the other; flowers mostly um- 
bellate; umbels. slender, axillary, pedunculate, some- 
times branching, involucrate; involucrum simple, or many- 
leaved; flowers also, in some species, disposed in corym- 
bose panicles. (Jussieu says, that the seed is small, and 
covered by the angular base of the calix, and in this he is 
confirmed by the observations of Defontaines; but to or- 
dinary observers the seed will be considered as inferior. 
The same remark also applies to the following genus, 
Calymenia.) ; 
Species. 1. erecta. (South Carolina.) 2. diffusa? 
Oss. This genus is chiefly confined to the tropical re- 
gions of America, there is also 1 species in Guinea (Afri- _ 
ca), 1 in Spain, 1 common to India and China, and another — 
in the Society islands of the Pacific. jeer 
37. CALYMENIA. Persoon. (Atuion1a. Mi- 
Involucrum caliciform, 5-parted, persistent, 
enlarging, and then peltate-campanulate, 1 to_ 
3 or 5- flowered. Proper calix none. Corolla 
sub-campanulate, plaited, 5-parted, lami 
~ 
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