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275 PODOSTEMACEAE : DE GEOGBAPHIA, ÜSU etc. TABÜLARUM EXPLICATIO. 276
paraiidis cibis iitiiiitnr. Dodrantem eiiim salis puri ciiiis
iste coiitiuet, qui cliemicam aiialysin apud x\iiglos impel
subiit. Sal facillirae in aqua frigida liquelit, posteaqiie
ex eadein expui'gata el in Yapores solula solus
elicitur. Ex allialia potassica sodicaque cum cbloro
pro maxima parte, pro uiiiiima autem cum acido carbouico
et sulphurico coalilis fabricalur, :iec luirura
propterea cur salis mariui -vices iu arte culiuaria apud
barbaros agere queat. Jodinae expers est. Ceterum
lie verba cbeiiiistarum male fortassis iiiterpretatus siin,
ea ipsa tradere expedit. „Tlie saline ash, ait cl.
Graves, wliieli is said to be used by the Indians (of
British Guyana) as a substitute for salt, is in black
pulverulent masses (in tha state -we have it). The salt
is very easily obtained from the ash by treating it
-with cold -water, and evaporating the solution to drj'-
ness. Seventy-five per cent of soluble saline matter
may thus be extracted, the insoluble residua consisting
of carbon, siliceous matter, carbonate of lime,
and insolnble phosphates, in the follo-iving porportions:
C a r b o n a c e o u s matter 3] ,
S i l i c e o u s liialtcr 4-1.2.
C a r b o n a t e of liuie and iusoluble phosphates 21.8.
The salts soluble iu -water were found to consist
of chlorides of potassium and sodium, together with
a portion of alkaline-carbonate and a small quantity
of sulphate. It was tested for jodiue, but there was
none found. 100 grains of the dry salt gave:
S u l p h u r i c acid
C a r b o n i c acid .
C h l o r i n e . .
1 . 0 grs
4 . 4
4 5 . 6 4 8
Now assuming the solphuric et carLoiiic acids to
be in combination with potash, we should have 84
grains of (he chlorides of potassium et sodium; and
as (hose contain 45.648 grains of chlorine, we may
deduce tlie following coinposillou of the salt by calculation
:
S u l p h a t e of potash .
C a r b o n a t e of potash
Ciilorido of potassium
C h l o r i d e of sodium .
2.18
1 3 . 8 3
5 0 . 4
100.00.
From tlie above results, it will be perceived that
the peculiarity of ihis vegetable ash consists iu the
large amount of chlorides contained in it, which very
well adapt il for the purpose to which it is applied,
and render it a tolerably good substitute for (hat
essential substance, common salt." (Conf. Hooker's
Journal of Botany and Kew garden Miscell. VL i90
CJimio 1854.) et Pharmaceutical J own. XI.). Cinerem
de quo agitur certo e Podostemaceis conibustis
ab Iiidis Americae tropicae coniparari, clarissiini viatores
Rob. Schomburgk et Rich. Spruce comperti sunt.
CConf. op. cit. Iloockeri, loc. land.,, et hindUyi The
Veget. King A,
TABULARUM PODOSTEMACEARUM EXPLICATIO.
T a b . L X X i n . Fig. L Lacis monadelpha p. 238.
i l . Loncliostephus elegaiis p. 239.
I I I . Ligea alcicornis p. 213.
I V . Lopbogync hellcaiidra p. 249.
V . Moiirera Wcddelliaua p. 236.
T a b . L X X I V . Fig. I. Dicraea ErjthroIIchen p. 253.
I L Podostemon Clianiissois p. 255.
I I I . Monosl>lis capillacea p. 251.
I V . Mniopsis Wed del l iana p. 258.
V . Ilhyncholacis linearis p. 241.
I c o n e s , pQucis cxccptis, Parisiis dellneavlt Car. Tulasne,
T a b . L X X V . Fig. I. Apìnagia Riedelii p. 246.
I I . Apinagia divaricata p. 245.
ì l i . Oserya flabellifera p. 259.
I V . Devillea flageliiformis p. 263.
V . Trlsticha hypnoides p. 272.
T a b , L X X V I . Fig. 1. Castclnavia fimbriata p. 265.
i r . Castclnavia nionaudra p. 268.
I I I . Castelnavia fruticulosa p. 270,
I V . Castelnavia princeps p. 264.
V . Castelnavia serpena p, 267.
D. M. , ano. 1848 et 1853.
S i g 1 a e.
]. riant.a maguiliidine naturali tlellBeafii.
2. Ejiisdem portiuocula Clorifera) auct.i (y).
3. Fragmentulum (aui-tum) racemi dimidiati.
4. Alabastruni.
5. FIos virgineus, vagina spoliatus.
6. FIos nu|itiarum tempore Uepictus (vagina integra vel lacerata).
7. Idem evaginatiis v. arte nudalus.'
8. FIos itivolunratus, coiiniibiis perfccds.
9. Vagina (spatlia, iavolucrum) seorsim delineata.
10. Androeceum inttjgrum.
n . Stampa ab antica facie speetattim. 12. Idem a tergo viium.
13. Granula pollinica summoi)erc ancia.
14. Ovarium aadroeceo stipatuin. ló, Idem^ androcceo lacerato, amoto.
Ì6. Germen gravidnm , iiivolucratnm.
17. Fructus immaturus, nudatiis, aodroeceo effeto v. partim destructo.
18. Capsula maturaintegra: l. n latere commìssuram valvarura exlilbeule
visa. t. a tergo alterutrlus valvae specCata.
19. Capsula deliisccns.
20. Capsula effeta, audroecel rcliqulis stipata. 20a. Capsulae valva
major, persistens post semina eructata.
21. Placenta sejiiQctu, paucls seminibus onusta, aut piane nudala: f- afaeie
ìutiore s. seminifera spectata. m. a latere angustlore s. sepllforo.
22. Semen madidum (inaturuia). 28a. Semcn Immalnrnm.
23. Testa lacerata, seorsim depictu.
24. Embryo tegmina cxuens.
25. Idem omni tegumento nudatiis: t. a tergo altcnitrius cot^'lcdonis
spect.-vtus; c. a Intere commlssurani cotyledonuin moustrante.
2C. Foli! i'ruginentum sub microscopio Inspectum.
27. Frondls flores foventis sectlo longlludliialis.
I). Diagramma ilorLs,