300 XXXII. GEHANIACEiE (oliver). [Impatiens. 



ovate- or oblong-lanceolate, crenulate. Flowers pilose, solitary, on slender 

 pedicels l£-3 in. long. Sepals lanceolate. Standard orbicular. Wings 

 semiorbicular, f in. long, with suborbicular lateral lobes. Lip conical, with a 

 slender spur about its own length. 



Upper Guinea. Camaroons mountain, alt. 2000-4000 ft. (Dec, July), Mann ! 



5. I. Mannii Hook.f. in Jonrn. Linn. Soc. vi. 7. Herbaceous, 1-2 ft., 

 slender, glabrous.' Stem often rooting at the lower nodes. Leaves distant, 

 alternate, 1^-3 in., ovate or oblong-ovate, crenate, narrowed into slender 

 petioles of 1-2 in. Flowers rather small, light red, solitary or in pairs ; pe- 

 dicel very slender, £-1 in. Sepals minute. Standard small, orbicular. Wings 

 broadly and obliquely semiorbicular, each -§-f in. broad, with slender claws 

 and short recurved spur-like auricles at the base of the blade. Lip funnel- 

 shaped, with a slender spur. Capsule pendulous, linear. 



Upper Guinea. Fernando Po, 2000-4000 ft. (April and Dec.) ; Camaroons moun- 

 tain, 2000-3000 ft. (Dee.), Mann ! 



6. I. capensis, Thunb. ; Harv. and Sond. Fl. Cap. i. 312. Herbace- 

 ous, glabrous, 1-2 ft. high. Leaves alternate, 1-3 in., ovate or oblong- 

 ovate or lanceolate, crenate, with cilia in the crenatures, their base and pe- 

 tioles sparingly ciliated. Flowers solitary, on slender pedicels longer than 

 the petioles. Sepals oblong-lanceolate. Standard rather small, keeled. 

 Wings falcate, obtuse, \ in. long, 2-lobed at the outer side. Lip funnel- 

 shaped, tapering into a long slender spur. 



Lower Guinea. Angola, prov. Pungo Andongo, Dr. Welwitsch ! 

 Mozamb. Distr. Mount Chiradzura, Manganya range (Sept.), Dr. Meller I 



This appears to be the same as the S. African plant found in Natal, TJitenhage, and the 

 Orange Free State, but it is impossible to compare the dried flowers accurately. 



7. I. Irvingii, Hook.f. Herbaceous, succulent, 2-4 ft., glabrous or 

 slightly pubescent in the upper parts. Leaves alternate, rarely opposite, 

 3-5 in., on very short petioles, lanceolate, serrulate. Flowers solitary or in 

 pairs, red. Pedicels very slender, 3-6 in. Sepals oblong-lanceolate. Standard 

 orbicular, with a broad dorsal-wing. Wings broad, laterally 2-lobed, -§ in. 

 broad. Lip small, suddenly contracted into a slender up-curved spur, 1 j in. 

 long. Capsule short, oblong, narrowed at both ends. 



Upper Guinea. Abbcokuta, Dr. Irving ! wet places along the banks of the Niger, 

 Barter ! 



8. I. Kirkii, Hook.f. Herbaceous, tall, simple. Stems rather stout, 

 densely pubescent. Leaves 4-5 in., on short petioles, lanceolate or oblong- 

 lanceolate, acutely serrate, pubescent below. Flowers solitary or in pairs ; pe- 

 duncles 3-4 in., very slender, pubescent. Sepals lanceolate. Wings orbi- 

 cular, 2-lobed, about \ in. diam. Lip boat-shaped, pubescent, suddenly con- 

 tracted into a slender pubescent spur, 1 in. long. Capsule as in /. Irvingii- 



Var. a. Leaves lanceolate, narrowed into the petioles. Stem tomentose. 

 Mozamb. Distr. Lake Nyassa, western side (Sept.), Dr. Kirk! 



