Compositae. 253 



involiicro 2 mm. longo, sqiiamis obovatis v. breviter ovatis; capitulis 

 7-floris, 4 V. 3 femineis, 3 v. 4 hermaphroditis; ramis styli ad apicem 

 attenuatis; pappi pilis liberis; caetera ut in praecedente. 



Heptcmfhiis ranunculoides Griseb. Cat. (1866) p. 148. 



Heptanthus cochlearifolius Wright in Sauv. Cub. (1869) n. 1218 

 p. 79 (p.p.). 



Heptanthus cochlearifolius var. Maxa Periant. Cub. (1890) p. 276. 



Hab. in Cuba occ: Wright n. 2820. 



Tetranthus Sw. 



Sw. Prodr. (1788) p. 115 et Flor. III p. 1385; DC. Prodr. V p. 528 

 (descri])tio valde erronea); Benth. et Hook. Gen. II p. 343 (item): Baill. 

 Hist. VIII p. 236; 0. Hoffm. in Engl.-Prantl Nat. Pß.-fam. IV. 5 



p. 213 (p.p). 

 Capitula in pedunculis aphyUis solitaria parva homogama non 

 radiata, 4-flora, floribus onmibus aequalibus hermaphroditis fertilibus. 

 Involucri squamae 2-seriatae, exteriores minimae 6 — 7 liberae v. 

 hinc illinc ad basin connatae, interiores (superiores) 4 turbinato- v. 

 anguste obconico-dispositae, complicato-tiibulosae, florem involveutes, 

 apice ciliatae. Receptaculum minutum. Corollae albidae exsertae 

 limbus tubo duplo longior, plus minus anguste campanulatus, lobis 5 

 limbo integro subaequilongis, papillosis, 2-nervibus inaequalibus, ex- 

 terioribus 3 ovatis, interioribus 2 anguste ovatis v. oblongis v. trian- 

 gulari-lanceolatis et pauUo brevioribus. Autherae connatae, apice 

 ligulatae, localis basi obtusis v. obtusiusculis. Stylus in 2/3 alt. bifidus, 

 ramis liiiearibus apice capitellato-incrassatis revolutis. Achaenia 

 (immatura) lineari-oblonga, ad basin valde attenuata 5 -striata, apice 

 cupula parva v. perbrevi obsolete v. manifeste ciliata coronata. — 

 Herbae domingeuses, repeutes ad nodos radicantes, foliis oppositis 

 trinervibus, pedimculis terminalibus, ramulo ex axilla folii alterius 

 prodeunte ad basin comitatis. 



1. Tetranthus litoralis Sw. ramis glabris v. parcissime et tenuis- 

 sime pilosis; foliis cordiformibus v. o'v'lito-subrotiindis, basi truncata 

 V. subcordata paullo in petiolum productis; involucri squamis flores 

 amplecteutibus latere inferiore conglutinatis, explanatis rhomboideis, 

 1,5 mm. latis, inferne sensim angustatis; corollis 3 mm. longis. 



Tetranthus litoralis Sw.! Prodr. (1788) p. 116 et Flor. III p. 1386 

 tab. XXVII- DC. Prodr. V p. 528. 



Hab. in Haiti: Swartz in herb. Willd. n. 16800, prope Corail ad 

 vias locis umbrosis humidis, m. Dec. fl: Picarda n. 1359. 



