ON SOUTH-AMEEICAN APOCTNACE^. 75 



volute in aestivation ; stamens seated on the contraction in the middle of the tube, on 

 5 longitudinal pilose lines; filaments short, glabrous; anthers acute, with 2 some- 

 what shortish acute basal prongs ; disk very short, sub-10-lobed, embracing the base of 

 2 pointed oblong ovaries for about a quarter of their length ; style, clavuncle, and stig- 

 mata as in the generic character. 



2. Stemmadenia pubescens, Benth. I. c. p. 135 ; Bignonia ? obovata, Hook. & Am. Bot. Beechey^g Voy . 

 p. 439. Realejo, Mexico : non vidi. 



An arborescent species, very near the preceding, with obovate leaves subacute at the 

 base, shortly acuminate, glabrous above, membranaceous, margins entire, below very 

 rigidly pubescent on the obliquely parallel nerves and reticulated veins, 4-6 in.' long, 

 on short petioles ; racemes terminal, with few flowers 2-3 in. long, on short pedicels ; 

 5 unequal oblong sepals, the 3 outer ones shorter; tube of corolla three times 

 as long as the sepals, swelling above ; an expanded border of 5 large, broad, roundish 

 segments. 



3. Stemmadenia mollis, Benth. I. c. p. 12.5. In Guayaquil: non 

 A species with terete dichotomous branchlets, angular, pubescent; leaves obovate- 



oblong, narrowed at the base, pubescent above, tomentous below, 4-5 in. long^ l2~2J in. 

 broad, on very short petioles ; sepals as in the preceding species, the outer ones and the 

 bracteoles pubescent ; corolla 3 in. long ; tube longer than in the foregoing, more 

 cylindrical, and less inflated. 



4. Stemmadenia grandiflora, nob. : Taberncemontana grandiflora, Jacq. Am. p. 40, tab. 31, (edit. 8vo) 



p. 51 ; Linn. Mant. p. 53 ; Lam. Diet. vii. 528 ; lUust. tab. 170. fig. 2 (icon. Jacq. reduct.) ; A. DC. 

 Prodr. viii. p. 368; Benth. in Journ. Bot. iii. p. 243; in PI. Hartw. p. 167. no. 1375; Seem. Bot. 

 Her, p. 167; Hook. Bot. Mag. tab. 3326. In Cartagena, Panama et Guiana (sec. Seem. /. c.) : in hb. 

 Hook. Surinam (Hostmann), Venezuela (Linden), Nov. Granada (Linden, Cuming 1134); v. s. in 

 herb. Mus. Brit. Panama (Seemann), Guiana (Sagot 389, Schomb. 7&7). 



A tree 8 feet high, with lactescent branches and dichotomous branchlets; leaves 

 elliptic-oblong, cuneate at the base, with a linear recurved acumen, entire, smooth, mem- 

 branaceous, green above, with very slender nerves arcuately ascending, paler below, the 

 reddish nerves scarcely prominulent, subimmersed, veins reticulated, 2^-4J in. long, 

 f-1^ in. broad, on slender sulcate petioles 2-3 lines long; a short panicle seated in the 

 dichotomy of the branchlets, on a peduncle 3 lines long, bifurcate, its branchlets being 

 4 lines long, with several alternate small bracteoles and flowers mostly caducous, the 

 terminal one supporting a single pedicellated flower (rarely 2-flowered} ; pedicel 2-^ lines 

 long ; bracts 1 or 2 beneath the calyx, equally long, foHaceous, truncate at the base ; 

 sepals large, membranaceous, very imbricate, 3 interior narrower, oblong, 8 lines 

 long, 2 exterior double their breadth, truncate at their base, pointed, 5 lines long, 

 all furnished at their base inside with numerous approximated pectinate scales 

 united in a ring ; corolla hypocrateriform ; tube cylindrical, 1^ in. long, a little swollen 

 and plicate below the mouth ; segments of border inequilaterally obovate, or dola- 

 briform, expanded, sinistroxsely convolute in aestivation ; stamens rather long, slender, 



L 2 



