— — 
654 
ACTINOTUS Helianthi. 
Helianthus-flowered Actinotus. 
— 
PENTANDRIA DIGYNIA. 
Nat. ord. UMBELLIFERE, Jussieu gen. 218. Sprengell in Romer et 
Schultes syst. veg. 6. xxix. Tribus J. FoRMx DESCISCENTES. Div. Um- 
belle capitatæ. ell loc. cit. xxx. 
ACTINOTUS. Flores plurimi, pedicellati, dense aggregati suprà re- 
an planum villosum involucro polyphylo cinctum, compressione 
polygami, hermaphroditis scilicet et masculis singulis calyx superus 5-par- 
titus persistens. Cor. 0. Hermaphroditorum stylus, stigmatum set late- 
rali. Semen unicum. Tabillard. nov. Roll. I. 67. i 
A. Helianthi, tomentosa, foliis decursivè pinnatis, involucro decem ad 
octodecim-radiato molli longissimo. Zabillard. nov. kol. I. 67. t. 92. 
Eriocalia major. Smith exot. bot. 2. 37. tab. 78. Ejusd. introd. to bot. 373. 
Id. in Rees's cyclop. in loco, Romer et Schultes syst. veg. 6. 339, 
dde pra helianthe. Poiret in Lamarck encye. 8. 338. 
ix ramosa, lignea. Caulis unicus, subbipedalis, erectus foliosus, 
feres, lanatus, parüm nisi supernè ramosus; pedunculi superni, longi, plùs 
minis numerosi, corymboso-fastigiantes. Folia alterna, petiolata, trifida, 
lobata, pinnatifida, dense lanata, insigniüs d parte proná albicantia. Stipulæ O. 
Flores terminales, ampli, speciosi. Smith loc. cit. (ex angl. vers.) Involucrum 
lentum, 8-18-radiatum, albidum pube molli curtá lanatum, florum capitulo 
pluriès longius, inequale; foliola lanceolata nervo medio principi, supernè 
utrinque maculá cano-virente plùs minis notata. Capitulum hemisphericum, 
congestum, hirsutum; pedunculi floribus fertilibus centri breviores, sterilibus 
ie longiores. Cal. herbaceus, intüs glaber, extús pilis pluriès 
articulatis atque ad articulos aliis brevioribus verticillatis hirsutus; segmenta 
— oblonga, obtusa, lenta. Stam. ezserta: fil. glabra erecto-divergentes, 
tenuia, supra gyro simplici flexa; anth. carneo-enascentes, fulvido-emori- 
entes, breves, ovales, to acuto filamenti à dorso affixa, biloculares lo- 
culis longitudinalitèr Aehiscentibus: pollen album, granulosum. Stylus calyci 
equalis, erectus, hirsutus, à basi ad medium compressà stipitiformis atque vi- 
rens, indè bicruri-divisus atque nigricans cruribus erecto-divergentibus lineari- 
bus utroque. à latere interno stigma setaceo-elongatum albidum glabrum I 
ler feré longius apice curvatum educente. Germ. obovato-oblongum hir- 
sutum, monospermum. 
A New Holland genus, differing, according to Mr. 
Brown, from all the rest of its order, in having a germen 
with a solitary ovulum. It ranks in the tribe “ Forme de- 
sciscentes (irregular coordinates)," thé first of the divisions 
of the Umbelliferæ, as remodelled by Professor Sprengell. 
