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PODOSTEMACEES. 271<br />

laribus, longitudinaliter rimosis; staminodio inter stamina 1, lineari,<br />

sepalis conformi v. rarius 0. Germen ovoideum, 2-loculare; styli<br />

ramis 2, ovatis v. linearibus acutis, simplicibus v. rarius (Mniopsis)<br />

plurifidis. Fructus ovoideus capsularis ; valvis 2., aequalibus v. plus<br />

minus inaequalibus, 3-5-costatis ; utraque persistente v. una plus<br />

minus angustiore decidua. Semina oo, exalbuminosa. — Herbae<br />

inundatae bryoideae v. habitu valde diversœ ; floribus terminalibus v.<br />

lateralibus, involucello sacciformi primum inclusis, demum liberis ;<br />

pedunculo plus minus accrelo. (America ealid. utraque, Madagascaria,<br />

Asia trop.) — Vid. p. 261.<br />

12. Sphœrothylax BISCH. * — Flores fere Podostemonis; staminum<br />

filamentis in columnam complanatam connatis; antheris in summa<br />

columna sessilibus. Germen ovoideum; septo evanido; styli ramis 2,<br />

sessilibus brevibuslanceolatis, erectis v.inflexis. Capsulae valvae parum<br />

inaequales; majore persistente. — Herbae; caulibus aut explanalis<br />

lobatis, aut prioribus marginalibus linearibus v. filiformi-ramosis ;<br />

floribus intra involucrum saccatum sparsis v. subinnatis, nunc secus<br />

caulis ramos primarios dense fasciculatis ; pedunculis intra involucellum<br />

diu apice reflexis, demum exsertis, subrectis v. incurvis. (Africa<br />

austr., Abyssinia'*.)<br />

13. Castelnavia TUL. et WEDD. 3 — Flores hermaphroditi (fere<br />

Podostemonis) ; squamellis androcaeo exterioribus 2, 3, v. nunc 0.<br />

Germen curvulum, ob septum evanidum 1-loculare. Styli 2 (anticus<br />

posticusque), cylindracei, undiquepapillosi. Capsula obliqua; yalvis2,<br />

3-5-nerviis, sutura valde obliqua separatis; altéra majore persistente;<br />

altéra minore decidua. Semina caeteraque Podostemonis. — Caules<br />

varie ramosi v. demum explanati; foliis primum distichis, basi dilatata<br />

imbricata incisave 4 ; floribus terminalibus sessilibus spathella continua<br />

demum rupta inclusis 5 ; fructununc plus minus pedicellato 6 . (Brasilia<br />

austr., Araguay 1 .)<br />

- WARM., in Mém. Ac. Copenh. (1882), 17, 23,<br />

1. In Flora (1844), 426,1.1. — TUL., Podosl.<br />

Monogr., 160. — WEDD., in DC Prodr., XVII,<br />

t. 13-15.<br />

77.- B. H., Gen., III, 113, n. 17. — Anastro-<br />

4. Lobis inferioribus stipuliformibus.<br />

5. Foliis ultimis basi cinctis, nunc in lamina<br />

phea WEDD., loc. cit., 78.<br />

2. Spec. 2. DRÈGE, in Linnœa, XX, 244. —<br />

caulina vetusta sparsim sessilibus.<br />

TUL., in Ann. se nat., sér. 3, XI, 107.<br />

6. In specie 1 (C monandra), a génère haud<br />

removenda, observatur stamen unicum.<br />

3. In Ann. se nal, sér. 3, XI, 108. —TUL.,<br />

Podosl Monogr.,162,t. H, 12. —WEDD., in DC.<br />

7. Spec. 6,7. TUL., in Mart. Fl. bras., V, h<br />

Prodr., XVII, 80. - B. H., Gen., III, 1 U, n. 18.<br />

t. 76.

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