270 Ion. TJrban: 



thago Quinduensium (Boussingault), Bolivia ad Yapacani 400 m. 

 (0. Kiintze). 



Obs. Specimina mexicana, guatemalensia et aiistro-americana squa- 

 mulis pappi omnibus in aiistas excurrentibus gaudent; panamensia cum an- 

 tillanis oranino conveniimt, sed glaiidulas in folionim facie paiciores praebent. 



3. Peetis prostrata Cav. annua prostrata v. ascendens (v. initio 

 subsimplex et erecta), caulibus 4 — 20 cm. longis ramosis, ad basin 

 interdum radicantibus, brevissime bifariam pilosis, superne plus minus 

 compressis; foliis oblanceolato-linearibus. 10 — 80 mm. longis, 2 — 

 4,5 mm. latis, apice acntatis v. acutis nunc brevissime mucronatis, sub 

 medio v. inferne paribus 5 — 9 setarum ciliatis, glandulis crebris parvis 

 in facie inordinate sparsis subtus manifestis; capitulis interdum in 

 dichotomüs solitariis, plerisque ad apicem in glomerulos 2 — 9-cephalos, 

 terminales et laterales collectis, 5 — mm. lonj^e pedunculatis, 7 — 

 8 mm. longis, 2,5 — 3 mm. crassis; involucri phyllis 5, oblongis v. lineari- 

 oblongis, apice rntundatis v. subtruncatis, 5— 6 mm. longis, 1,5— 1,8 mm. 

 latis, dorso usque ad apicem crasse et obtuse carinatis, glandulis juxta 

 marginem parcis v. parcissimis, oblongis v. linearibus, sub apice cre- 

 brioribus et saepe rotundis inspersis; floribus 9 — 12 (v. in continente 

 us(iue 25) in quoque capitnlo, 5 radii 3 mm. longis, styli ramis parte 

 integra dimidio v. fere duplo hrevioribus; floribus 4 — 7 disci 2 — 

 2,5 mm. longis; pappi squamulis in radio 2 anguste lanceolatis setaceo- 

 acuminatis, subintegris t. denticellatis v. hinc illinc incisis, 1 — 3 seti- 

 formibus brevibus intus interdum adjectis, pallidis, in disco 5 inter- 

 dum inaequilongis, caeterum ut in radio; achaeniis 3 — 4 mm. longis, 

 longiuscule v. breviter pubescentibus v. subglabris, s([uamulis pappi 

 fere duplo longioribus. 



Peetis prostrata Cav. Icon. IV (1797) p. 12 tah. 324!; Lrss. in 

 Linnaea VI p. 714; DC. Frodr. V p. 100; A. Rieh, in Sagra Gab. XI 

 p. 35; Griseh.! Flor. p. 378 (p.p.) et Gat. p. 156; Sauv. Gub. ?i. 1299 

 p. 81; Fernald Gontrih. Gray Herb. n. ser. n.. XII />. 67; Small Flor. 

 Sonth. Uli. Stat. p. 1296. 



Ghthonia prostrata Gass. Biet. Sc. nat. vol. IX (1817) p. 173. 



Peetis costata Ser. et Merc.f in DG. Prodr. V (1836) p.lOO. 



Eomero macho Gub. ex Wr. 



Hab. in Cuba fl. Aug. — Oct: Rugel n. 683, Sagra, prope Cien- 

 fuegos: Combs n. 460, in prov. de la Habana prope Batabauo: Baker 

 et Wilson n. 2215, 2216, in prov. Binar del Rio prope Herradura, 

 inter Candelaria et San Cristobal: Baker n. 2175, Earle et Wilson 

 n. 1643; Bonaire in savannis: Suringar; praeterea Civit. Amer. septr. 

 Unit: Florida (ex Small), Arizona et New Mexico, Mexico, Yu- 

 catan, Guatemala, Venezuela. 



