56 ON SOUTH-AMEEICAN APOCYNACiLE. 



3-3i in. long, |-li in. broad, on petioles 2-3 lines long ; the peduncle, either lateral or in 

 the dichotomy of the branchlets, is 9 lines long, and is divided at its summit into 

 2 branches, each bearing few flowers ; pedicels 2 lines long ; sepals ovate oblong, sub- 

 membranaceous, 1| line long, with several minute scales inside ; tube of corolla nar- 

 rowly cylindrical, 6 lines long; segments linear-oblong, 5 lines long, simply and sinis- 

 trorsely convoluted in the bud ; stamens inserted upon a puberulous riag below the 

 mouth of the tube; anthers slender, semi-exserted, cuspidate at the apex, acutely 

 biaristate at the base, of a greenish colour ; disk membranaceous, two thirds the length 

 of the 2 acute, oblong, striated ovaries ; style slender, incrassated above by a clavuncle, 

 as in the other species. 



4. Tabern^montana amygdali^folia, Jacq. Amer. 39^ tab. 181. fig. 15 (non Seem.) ; A. DC. I. c. viii. 



367 j Ker, Bot. Eeg. tab. 338 : Oestrum nervosum, Mill. Diet. no. 3. In Nova Granada et Vene- 

 zuela: V. s. in hb, Mus. Brit, et Hook. Carthagena (Miller), S. Martha (Schlim 945), "Venezuela 

 (Fendler 1429). 



A small lactescent shrub 6 feet high, with dichotomous slender branchlets; leaves 

 lanceolate-oblong, cuneated at the base, acuminate, submembranaceous, pale green 

 above, opake, entire, glabrous, nerves very patent (as in T. neriifoUa) and immersed, 

 below yellowish, opake, with immersed dark pellucid nerves, with no apparent veins, 

 2-5 in. long, 9-18 lines broad, on slender petioles 3-6 lines long ; racemes in the dicho- 

 tomies of the branchlets, much shorter than the leaves ; peduncle very slender, 1 in. long, 

 bearing 4-5 flowers on alternate pedicels bracteolated at the base, 5 lines long; sepals 

 1 line long, acute ; tube of corolla salver-shaped, 5 Hnes long, a little broader below the 

 mouth ; segments spathulate oblong, expanded, nearly as long as the tube, sinistrorsely 

 convoluted; stamens somewhat exserted in the mouth; 2 free oblong, pointed ovaries, 

 surrounded at their base by a disk j their length ; follicles obovate, oblong, green, 

 smooth, about half the size of those of T. citrifolia, or less ; seeds half -imbedded in 

 pulpy funicles. 



5. TABEKNiEMONTANA ALBA, Miller, Diet. no. 2, ex Houston, MS.; A. DC. I. c. p. 362. In prov. 



Yucatan : v. s. in hb. Mm. Brit. Campeche, Vera Cruz (Houston) . 



A very distinct species, having spreading, paUid branchlets, with axils |-1 in. apart ; 

 leaves ovate oblong, somewhat acute at the base, suddenly contracted below the apex 

 into a shortish obtuse acumen, margins subrevolute, chartaceous, green above, and 

 granularly opake, midrib and very spreading nerves of a reddish colour not prominent, 

 beneath opake, of a rusty yellow colour, with a prominent midrib, nerves prominulent, 

 fuscous red, transverse veins immersed; they are 4f-5| in. long, 2-2 J in. broad, on 

 sulcated petioles 5-7 lines long, fossated at the base, and conjoined at the axils by a 

 transverse line ; panicle between the terminal leaves, 2 in. long, 1^ in. broad, with many 

 rather close, somewhat stoutish branches again and again divided; numerous flowers 

 on pedicels 2-4 lines long ; sepals smaU, ovate, imbricated, | line long, each furnished 

 within with 4 linear acute scales; tube of corolla cylindrical, swollen above below 

 the mouth, and there somewhat 5-plicated, is 3 lines long, segments shorter, obiic^uely 



