250 ON SOUTH-AMERICAN APOCYNACEX. 
lanceolate, 6 lines long; tube of corolla 8 lines long; segments acute, 2 lines long; 
stamens included, cohering in a cone ; follicles 2, erect, parallel or slightly curved, 5 in. 
long, 14 line thick. 
3. LASEGUEA EMARGINATA, A. DC. Z. c. p. 481; Müll. Z c. p. 136: Echites emarginata, Velloz, l. e. 
p. 113, Icon. iii. tab. 46. In Brasilia: v. s. in herb. Mus. Brit. prov. central, (Claussen). 
A species near the preceding, having a tuberous root, an erect stem with few short 
branches and with axils 2-3 in. apart, everywhere pubescent; leaves ovate, subcordate 
at the base, emarginate at the summit, scabrid above, sulcate along the nerves, paler 
and pubescent beneath, with prominent midrib and very ascending reddish nerves, 2-2 
in. long, 14-13 in. broad, on petioles 2 lines long; racemes axillary and terminal, 
narrowly cylindrical, 6 in. long, pubescent; peduncle quadrangular, clothed with many 
imbricating acutely lanceolate coloured bracts 6 lines long; pedicels 6-8 lines long; 
sepals linear, 8 lines long; tube of corolla greenish white, cylindrical, gradually 
narrower upwards, 6 lines long ; segments oval, 2 lines long, with dextrorse convolution; 
stamens included in the upper portion of the tube. 
4. LASEGUEA GLABRA, A. DC. in Ann. Sc. Nat. 3° sér. i. p. 262; Walp. Rep. vi. p. 477. In Brasilia, 
prov. Rio Grande do Sul: non vidi. 
A species evidently distinct from any of the preceding: it is an erect shrub, every- 
where glabrous; leaves approximate, acutely ovate, the nerves patently prominent 
beneath, with reticulate veins, 3 in. long, 14 in. broad; raceme terminal, cylindrical, 
erect, glabrous, 1 in. long, bearing many approximate flowers furnished with acutely 
oblong bracts 6 lines long, 14 line broad, covering pedicels 4 lines long; sepals obtusely 
oblong, 6 lines long. 
5. LAsEGUEA OBLIQUINERVIA, A. DC. Ann. Sc. Nat. 3° sér. i. p. 261; Walp. Rep. vi. p. 477: Laseguea 
Guilleminiana, var. obliquinervia, Müll. l. c. p. 135. In Brasilia, prov. S. Paulo: non vidi. 
An erect plant, with branches densely and fasciculately pilose ; leaves obovate, obtuse, 
mucronulate at the apex, subglabrous above, with oblique nerves and reticulated veins, 
incano-pubescent beneath, 23 3 in. long, 2-21 in. broad, subsessile; raceme 5 in. long; 
peduncle bare at the base, bearing above many flowers on straight pedicels 6 lines long, 
covered by linear-lanceolate subglabrous bracts of the same length; sepals linear- 
lanceolate, subglabrous, narrower at the base, 10 lines long, 1 line broad. 
6. LasEGUEA VILLOSA, nob. : ramulis substrictis, dense pilosis ; axillis subremotis : foliis oblongis, imum 
versus angustioribus, et hic profundiuscule cordatis, apice repente et longe cuspidatis, supra fusco- 
viridibus, sparse et longe pilosis, subtus ferrugineo-opacis, pilosulis, ad nervos prominentes sparse 
hirsutis; petiolis tenuibus, longe pilosis : racemo laterali, subrecurvo, imo pedunculato, mox asper- 
gilliformi, cum bracteis numerosis longiusculis imbricatis, multifloro ; floribus subparvis; bracteis 
oblongis, longe cuspidatis, membranaceis, nervo mediano puberulis ; pedicellis brevissimis, hispi- 
dulis; sepalis anguste lanceolatis, cuspidatis, medio pilosulis ; corolla tubulosa, lutea, fauce san- 
guinea; tubo subbrevi, bractea paullo longiore, imo ampliore, pilosulo; segmentis brevibus, 
dextrorsum convolutis. In America centrali : v. s. in herb. Mus. Brit. Nicaragua (Seemann 95). 
The axils are 33 in. apart; the leaves 64 in. long including the basal sinus (6 lines 
