E XLVIII; MYRTACEX. - [Backea, ` 
Section 1. Rinzia.—Filaments all, or at least those opposite the petals, distinctly ` 
attened. 
Stamens 10. 
Ovar “I superior except the broad neg boue x or rarely 3 ovules iu 
ach cell. Pedicels exceeding th 
Los ves ovate or oblong, thick, 1 to m dod long. . . . . 1. B. platystemona, 
Leaves linear, 1 to 3 lines long sain 9. B. Fumana. 
Ovary convex, but almost entir tirely inferior, with usuall y 3 ovules 
in each cell. Pedicels sorter than th A he small erect leaves . 3. B.dimorphandra. | 
— a convex or half-superior, with 4 to 6 or more ovules 
ll. Pedicels much longer than the SE 
em linear or lanceolate, viva 4. p achollerifola 
Leaves bes or orbicular, ‘hie ^ and | very convex . . E ccóides. 
Stamens 15 to 20. Leaves linear, sem Oe B. Drummondi. 
eech 2. wa. Mekel Sow o or very “slightly dilated. 
Stamens 10. Ovules 2, 3, or rarely 4 in each ce 
par — los or spreading. Pedicels longer than the leaves. 
Ovi 1. B. diffusa. 
vary co 
Leaves tik, nu to linear-terete. Pedicels not "exceeding | 
the lea Ovary co 8. B. crassifolia. 
proin sala 1 line veri imbricate and decussate. Ovary flat- 
. 9. B. tetragona. 
pee 1s. "Ovules 2 in each cell. Leaves rarely above 1 li nelong. | 
Leaves very s Weg mbrica zéie Jee ate. Flowers nearly sessil 
Leaves above $ line ee? rather oose. age? ripara reien m - beer? 
Stamens 20 to 30. Ovary convex, ans about 8 ovules in each ce 
Leaves linear-terete, 1 to 2 2 lines od Pedicel short. Calyx- 
lobes petal-like ] polystemona. | 
(B. polyandra with n numerous [m ba ‘the pelos ones present, but the anthers are | 
ne different from those of Euryomyrtus.) : 
ens few or numerous, i none opposite the "efi A Usi petals, excepting very 1 
ARS ovs there are erg t . Ovules several in e 4 
5E AD 3. Schi ëng her- A: oe peli opening n 
o the base. dee solitary. Ovary 2- or rarely (in B. astarteoides pap J 
Tisd broadly ovate or orbicular, flat or concave, A to 3 ii long 12. 
Leaves thick, stie decussate, 4 to 1 line lon 18. x Mero 
Leaves concave, from narrow-obovate and 1 line to bus cines and 
Calyx-lobes entire Ric! o . —. JA HB QUNM 
bip con denticulate-cili 15. B. diosmifolia. 
es linear, semiterete dein or subulate, 2 to 9 lines long. 
Go tube broadly tu 
es linear, iiie Ki Stamens about 5. : 
Towers about 1 line es eu, 16. B. leptocauts 
Flowers about 4 line et 17. B. arbuscula. 
em dere no or randi usually short and clustered in 
Stamens 6 to 8 18. B. astarteoides. 
iene bue ae usually long." "Stamen o 15 19. B. linifolia. 
Calyx-tube narrow-turbinate. Leaves linear- — sly long. e 
Flowers very small. Stamens about 5 20. B. stenophylla. | 
SECTION 4 EE distinct, nearly piobar , deeply fu ort 
lel or Car and opening more or less in longitudinal slits in the furrows. 
8-celled, with several ovules in each cell, East species. 
— ves flat. Flowers e clustered or umbellate. 
ves oblong-cuneat nearly linear, under 3 lines Jon 
Pediceis short thiek, t- y Teea oneik 2 or 3 in the adler . 91. B. camphorala 
