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V. COMETE.E.<br />

CA.IîYOPIIVLLACÉES |à,<br />

42. Comètes L. —Flores in summo pedunculo cominuni glomerati ;<br />

centrali pcrfccto; lateralibus imperfectis v. deformatis. Floris hermaphroditi<br />

receptaculum minute cupulare. Sepala 5, hcrbacea, imbricata,<br />

superne dorso aristata; arista in exterioribus majore; in interioribus<br />

minore v. 0. Petala 5, cum sepalis alternantia, linearia.<br />

Stamina 5, alternipetala; filamentis ima basi connatis, cœterum<br />

liberis; antheris didymis v. oblongis; loculis maxima ex parte liberis,<br />

introrsum rimosis. Germen imo receptacuio liberum, nunc substipitatum,<br />

1-loculare; stylo tenui recto v. arcuato, apice stigmatoso<br />

breviter 3-lobo. Ovulum 1, funiculo basilari recto insertum, semianatropum;<br />

micropyle infera. Utriculus calyce inclusus membranaceus.<br />

Semen adscendens; chalaza conspicua; embryonis magni (viridis)<br />

leviter arcuati albuminique farinoso lateraliter appliciti eotyledonibus<br />

oblongo-ellipticis; radicula infera. — Herbae annuae ramosae;<br />

foliis oppositis v. spurie verticillatis, integris, petiolatis v. sessilibus;<br />

stipulis setaceis minutis; floribus setaceo-involucratis; foliis floralibus<br />

plumoso-multipartitis demum accretis squamoso-divaricatis<br />

involucrantibus. (Oriens, Imita or., Africa bor.-or.) — Vid. p. 97.<br />

43. Pterantnus FORSK. d — Flores fere Cometis, 4-meri, apetali.<br />

— Herba annua carnosula; ramis rigidis, 2-3-chotomis. Folia opposita<br />

et spurie verticillata linearia; stipulis minutis. Flores ad apicem<br />

pedunculicommunis vesiculosi compressiusculiobovoidei v. obeordati<br />

3-ni, glomerati; latérales saepius imperfecti; foliis floralibus pinnatipartitis<br />

involucrantibus. Caetera Cometis. (Ins. Cypri, Africa bor.,<br />

Artibia, Syria, Persia^.)<br />

44. Dicherantiius WEBB. 3 — Flores hermaphroditi apetali ; receptacuio<br />

superne planiusculo. Sepala 5, elongata scariosa, apice aristato<br />

patenti-recurva, imbricata. Stamina 1-3, bypogyna; filamentis subulatis<br />

; antheris ovatis introrsis versatilibus, 2-rimosis. Germen superum,<br />

1-loculare; stylo lineari, apice stigmatoso minute 3-lobo.<br />

1. Fl. œg.-arab., 36. — G.ERTN. F., FrucL,<br />

III, t. 213. — LAMK, lit., t. 764. — ENDL., Gen.,<br />

n. 5206. — B. IL, Gen., III, 18, n. 13.<br />

2. Spec. 1. P. echinalus DESF., Fl. atl., I,<br />

144. — Boiss., FL or.,1, 752. — Camphorosma<br />

Ptcrunlltus SiBrH., Fl. greee, t. 153.<br />

3. In ,bi». se nat., sér. 3, V, 27, t. 2. — B.<br />

H., Gen., III, 18, n. 15.

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