44 SCHOMBURGK'S GUIANA PLANTS. 
ian plant answering to the character of S. Lundii, DC. ap- 
pears scarcely different from this one, which is probably not 
an uncommon and a variable plant, published under different. 
names from different parts of S. America. 12 
45. Porophyllam latifolium (n. sp.); herbaceum, erectum, 
foliis longe petiolatis lato-ovatis obtusis grosse sinuatis ad sinus 
pellucido-glandulosis, involucri squamis mucrone  calloso 
acuminatis. Benth. Ann. N. Hist. II. p. 441.—Dry savan- 
nahs on the Upper Rupunoony. Schomburgk. 
46. Calea divaricata (n. sp.); fruticosa divaricato-ramosa, 
ramulis angulatis canescentibus, foliis breviter petiolatis 
ovatis obtusissimis integerrimis subcrenatisve uninervibus vel 
obscure trinervatis crassiusculis glabris, pedunculis brevibus 
in ramulos breves axillares solitariis monocephalis, involuc 
ovoidei imbricati squamis exterioribus brevibus lato-ovatis 
interioribus oblongis obtusis omnibus glabris, ligulis pluribus, 
paleis iibpbaculi- acutiusculis, pappi paleis achzenio hirsuto : 
dimidio brevioribus.—Frutex 8—10-pedalis, diffusus. Folia — 
vix semipollicaria aromatica. Pedunculi folia. parum super- 
aut. Flores radii et disci lutei odorati.— Near the Roraima 
mountain. Schomburgk. 
47. Geissopappus caleoides.—Schomburgkia caleoides. DC. 
Prodr. Vll. p. 294. Coll. Mem. IX. p. 28. t. 9.— British : 
Guiana. Schomburgk, n. 474. 
À short time before the publication of the seventh oli 
of the Prodomus, a fine Orchidaceous genus, was dedicated to 
Mr Schomburgk, by Lindley in the second part of his Sertum 
Orchidaceum. It has become therefore necessary to change 
De Candolle’s name for the present plant, and I have de- 
rived that of Geissopappus from the overlapping pales of the 
pappus- 
48. Achyrocline flaccida, DC. Prodr. V. p. 220,— The 
specimens are precisely similar to those of Salzmann from 
Bahia. Woods near the Roraima. Schomburgk, n. 1042. - 
49. Gnaphalium Americanum, Mil.— British Goiana. 
— n. 513. 
