12 III. ORCHIDES. [Platylepis 
12, PLATYLEPIS A. Rich. ; Benth. & Hook. f. Gen. PI. iii. 
p. 604. 
1. P. glandulosa Rebb. f. in Linnea xli. p. 62 (1877); Rolfe- 
in Fl. Trop. Afr. vii. p. 184. 
P. angolensis Durand & Schinz, Consp. Fl. Afr. v. p. 58. 
Diplogastra angolensis Welw. ex Rehb. f. in Flora 1865, p. 183. 
Gotunco ALto.—A herb a foot high; roots filiform fleshy, stem 
rooting below, leaves membranous; flowers densely spicate, spike 
ovate, bracts large, densely pilose glandular on the outside, flowers 
white, subringent. Plentiful, but seen only in this one locality, in 
very shady palm-groves on the banks of the river Delamboa. Habit 
and mode of growth exactly that of our Goodyera repens. In fl. April 
and May 1855. No. 672. 
13. POGONIA Juss. ; Benth. & Hook, f. Gen. Pl. iii. p. 615. 
1. P. umbrosa Rehb. f. in Flora, 1867, p. 102 ; Durand & Schinz, 
Consp. Fl. Afr. v. p. 59; Rolfe in Fl. Trop. Afr. vii. p. 186. 
IsLanpD or St. THomas.—A herb sending out a large kidney-shaped 
leaf from a whitish fibrous tubercle-bearing rhizome. In the very 
shady primitive woods on the heights near Fazenda do Monte Caffe, 
about 1800 ft. Without flower. Dec. 1860. No. 739. 
2. P. purpurata Rchb. f. & Sond. ex Rehb. f. in Flora 1865, 
p. 184; Bolus, Orchids of South Africa i. t. 12; Durand & Schinz, 
Le, p. 59. 
Punco ANnDONGO.—Root tuberous, leaf radical, cordate-ovate, fleshy, 
shining. Plentiful by streams in the woods at Quilongo. Without 
fl. Jan., Feb., March, and April 1857. No. 738. 
Distinguished from P. umbrosa, in which it is included in Fl. Trop.. 
_Afr. vii. p. 186, by its ovate not reniform leaf, which agrees with Bolus’ 
figure cited above. 
Trine iv. OPHRYDELZ. 
14. HABENARIA Willd.; Benth. & Hook. f. Gen. Pl. iii. p. 624. 
1. H. Welwitschii Rchb. f. in Flora 1865, p. 179; Durand & 
Schinz, Consp. Fl. Afr. v. p. 88 ; Krinzl., Orch. Gen, & Sp. i. p. 201. 
HT. cataphysema Rebb. f. in Flora 1867, p. 101; Durand & 
Schinz, ic. p. 74; Krianzl, Jc. p. 217. 
Huitia.—A herb, 2 feet high, with two tubers, the younger stalked, 
stem angular, straight, leaves herbaceous-green, lanceolate-linear, sepals 
greenish, petals white, thinly membranous ; spur green, descending, 
with a thickened club-shaped end. Bracts green. Ovary green, elon-- 
gated, club-shaped. Here and there in wet pastures by streams between 
Lopollo and Humpata, In fl. Jan. 1860. No. 721. Flowers greenish, 
buds reddish. Rather damp wooded pastures between Lopollo and 
Ohai. In bud Feb. 1860. No. 722. Tubers ovate-conical. Flowers. 
greenish, interior segments and lip filiform, cylindrico-subulate. Here 
and there in lofty damp meadows of Morro de Monino, In fl. beginning 
of April 1860. No. 748. 
I cannot distinguish the two Reichenbachian species included here. 
No. 722 is a small plant with comparatively young flower-buds, and’ 
