NOTES ON COMMELINACES. 195 
linear sequence of the genera would not be nore natural, nor the 
exceptions fewer than on the old plan. I have therefore adopted 
the two old tribes Commelinee and acne ae? but I have taken 
dehiscent fruit. 
8. The tribes and genera then stand as under :— 
Trrevs I. POLLIEA.—Fruit indehiscent; crustaceous 
or baccate. 
1. Porria.—Panicle without folded bracts. Stamens six, all 
fertile, or three (terminated by gland-like anthers) barren. Leaf- 
margins glabrous or crispedly pubescent. Species 14, Old World. 
2. Patisota.—Panicle without folded bracts. Stamens three 
fertile, 8-2 sterile terminated by bundles of hairs. Leaf-margins 
si ig Species 8, Africa. 
. Pumospnerton.—Inflorescence of 1-2 small racemes almos 
wxistone within a folded bract (as in Commelina). Barren st ce 
2-8, with hastate triangular anthers. Sp ecies 4, America 
Trisus Il, COMMELINEA.—Capsule 2-8-valved. Fertile 
stamens 3-2. 
* Stamen next the outer ie Dysart cells of the fertile anthers 
aight 
eee of 1-2 small racemes, almost 
enclosed within a folded or hooded ‘ests Barren stamens 2-3, 
we cruciform anthers. sate 88, in both rasa sate 
PonysparHa.—Inflorescence of small racem almost en- 
ion within folded cats, which bracts are oe along the 
branches ahs a a Species 1, Africa 
6. ANE —F lowers ponies | = clustered, without folded 
bracts. species 57, in both hemisp. 
** Stamen next the “ ee Pe et cl of the fertile anthers 
like cor 
7. CoonLiosTEMA. — eee as a. Species 1, 
Eeuador, 
Trievs III. TRADESCANTIEA. en phage 2-8-valved. Fertile 
A. e pea er 
. Burorrestra.—Capsule 3- see with 4 
cl. prea 4, _ and Guian 
celle ee with two ovules in each cell. 
. For 
Tedaeseanan ‘subeapitate, evita through the sheath of the leaf. 
Petals separate. Species 6, Asia. 
oigoTRYPE.—Capsule 8-celled, with 2-1 seeds in each 
C 
cell. “Triflosensenies: dense, splitting the leaf- an Corolla-tube 
linear. Species 3, Africa. 
-10 seeds in each 
