PHANEROGAMIA. 369
Amarantaceae. Woelileria, a new genus from Cuba, is described.
Euphorbiaceae. Critical observations upon the affinities of the Order and its subdivision into Tribes and Subtribes. The West Indian genera are grouped under the following sections, viz. : —
A. Ovarii loculi 2-ovulati.
Trib. I. Buxece. Capsula loculicida, dissepimentis connexis.
Sernina ecarunculata. Trib. II. Bhyllanthece. Capsula in coccos divisa v. baccata, Semina srepius ecarunculata. Subtrib. 1. Drypetece. Subtrib. 2. Euphyllanthece.
B. Ovarii loculi 1-ovulati.
Trib. III. Crotonece. Capsula in coccos divisa, raro baccata.
Subtrib. 1. Iatrophece.
Subtrib. 2. Ricinece.
Subtrib. 3. Eucrotonece.
Subtrib. 4. Ditaxidece.
Subtrib. 5. Acalyphece.
Subtrib. 6. Hippomanece.
Subtrib. 7. JZuphorbiece. The genera Acidocroton, Gr., Mettenia, Gr., Adelia, L., Ber- nardia, P. Br., Lasiocroton, Gr. and Leucocroton, Gr. (gen. nov.) are described at length.
Bixineae. The following tribes are proposed, viz. : —
1. Bixece. Capsula sicca, medianicida. Stamina hypogyna, indefinita.
2. Flacourtianece. Pericarpium carnosum. Stamina disco libero inserta.
3. Prockiece. Pericarpium carnosum, indehiscens. Stamina disco perigyno inserta.
4. Samydece. Pericarpium dehiscens. Stamina perigyna. — Pedicelli articulati.
Diagnoses are given of the genera Samyda, L., Guidonia, Gr., Casearia, Iq., Casinga, Gr. (nov. gen.), and Sadymia, Gr.
Malpighiacese. Henlea, is a new genus, founded on a Cuban plant of Eugels.
Eutacea?. Prof. Grisebach adopts, as sub tribes,
1. Pilocarpece. 2. Zanthoxylece, and 3. Simarubece.
Juglandese. The character of the group is modified to admit JPicrodendron, PL, which is described from additional and more complete material.
Melastornacese. Critical observations on the structure of the seed, embryo, and anthers, with a review of the West Indian genera, (vide supra.). Geisebacu, A. H. E. — Plantse Wrightiana3 e Cuba Orientali (Poly- petalae et Apetalae). Smith. Contr. viii. pp. 153-192.
Determinations of Mr. C. Wright's plants collected from 1856 to 1860, with the distribution numbers.
