318 SCHOMBURGK'S GUIANA PLANTS. 
axilla, and by the leaves which are generally cuneate at the — 
base, and from that author's character of P. rufum, by the in- 3 
florescence. Judging by an old cultivated specimen with- a 
out a name, | suspect this may be the P. fragrans of garden — ; 
catalogues, which I do not however find described. The nos. 
1021 and 1609 of Gardner’s collection, and a Bahia specimen 
from Salzmann, are very much like the P. polycarpon, but — 
the flowers are rather larger and the bud less obtuse. ; 
406. P. pyriferum, Linn.—DC, Prod. MI. p. 233, var — 
glabrum.—British Guiana. Schomburgk. | d 
407. P. aromaticum, Aub.—2DC.'Prod. lll p. 933.— — 
Folia ut in icone Aubletiana (t. 191), eroso-denticulata.— — 
British Guiana. | Schomburgk. dc 
408. P. turbiniflorum, Mart. in DC. Prod. III. p. 234?— -. 
Folia demum glabrata. Pedicelli solitarii v. bini, longi- 
tudine variabiles, sæpe vix 4 lin. longi. Bracteolæ linearis — 
subulatz. Cetera omnia ut in diagnosi Candolleana. Fruc- — 
tus globosus 4—5 lin. diametro. —Savannahs of the Rupu- E 
noony. Schomburgk, n. 634. RA 
409. P. ciliatum (sp. n.) ; ramulis subcompressis hirtellis, : 
foliis subsessilibus ovato-oblongis utrinque acuminatis rarius - : 
basi obtusis utrinque glabris junioribus margine ciliatis, a 
pedunculis 1—2-floris, ovario breviter turbinato, alabastro — 
depresso-globoso, calyce late 5-lobo ciliato demum profun- E 
dius fisso.—Fratex bipedalis. Folia 1} poll. longa. Pedi- - 
celli compressi 6 — 15-lin. longi. Bracteole lanceolate cili- — 
ate. — Calyces glabri.—Dry savannahs, British Guiana. - : 
Schomburgk. VE dM 
410. P. parviflorum (sp. n.); ramulis teretibus v- vix 
tetragonis hirtellis demum glabratis, foliis subsessilibus ovali- 2 
oblongis acutis v. obtusis basi obtusis cordatisve junioribus e 
utrinque puberulis, adultis supra glabris, pedunculis unifloris * 
 hirtellis, ovario ovoideo, alabastro obtuso glabriusculo, calyce - 
= demum inzequaliter fisso.— Folia 1—14 poll. longa. Pedun- 
eu lin.— On the Essequibo and Rupunoony. Schom- 
aquaticum (sp. n.); ramulis teretibus hirtelliss 
