Angrcpcimi] ill. orchide^. 9 



4. A. guyomanum Rchb. f. in Linniea xxii. p. 865 (1849) ; Rolfe 

 in Fl. Trop. Afr. vii. p. 148. 



A'erantkus guyomanits Rchb. f. in Flora 1865, p. 190. 



GoLUNGo Alto. — A small apparently leafless herb growing on the 

 branches of Mungo {^Mamhoga stipuloi^a), attached to the bark by very 

 numerous flattened, furrowed, glaucous, anastomosing ai'rial roots. 

 Capsules reddish-orange. On trees (Muguenga ia muxito) (Urticace^) 

 near the river Cuango, and more plentiful on young and old Mungo 

 trees near the river Casabella in Sobato de Bumba. In fl. May 1856,. 

 in fr. end of Oct. 1855. No. 653- 



The following number-s may belong to this genus, but in the 

 absence of flowers their determination is impossible : — 



PuNGo Andongo.— Habit of some species of Saccolahium. A small 

 shrub a foot high, growing erect on old lichen-grown trunks of 

 Mimosas. Leaves coriaceous, thick and fleshy, spreading in two rows^ 

 glaucescent, unequally bilobed at the apex. Fruit acutely triangular. 

 Primaeval Mimosa woods between Quisonde and Condo near the river 

 Cuanza. In fr. March 1857. No. 698- 



PuxGO Andongo. — A small shrub Ih ft. high, growing erect on 

 the lichen-covered trunks of Mucamba (see No. 571 under Bracliy- 

 stegki tamarindoidev), stem becoming woody, leaves distichous, arcuate, 

 glaucous, coriaceous to fleshy, rather stiff, apex unequally bilobed. 

 Fruit (unripe) six-angled, angles subobtuse. Mimosa woods between 

 Condo and Quisonde not far from the river Cuanza. In fr. March 

 1857. No. 700. 



Island of St. Thomas. — Epiphytic on old tree-trunks in the more 

 elevated woods near Fazenda do Monte Caffe. Without fl. Dec. 1860. 

 No. 705. 



BuMB(^. — Epiphytic on low trees covered almost completely with 

 lichens and mosses, on the heights of Serra da Xella. Without fl. Oct. 

 1859. No. 706rt. This orchid and a single specimen of an AnscUia 

 were the last epiphytic orchids found on the ascent to the Huilla 

 plateau (about 3'JOO to 4000 ft. above sea level). From that height 

 towards the east and higher up orchids became more plentiful 

 with every mile, but they were all terrestrial. LopoUo, May 1860. 

 A small ciBspitose epiphytic shrub, growing along with species of 

 Usnea and Mosses on trees on the rocky heights of Serra da Xella. 

 In fr. June 18G0. No. 706i. 



Pungo Andongo. — A rigid herb, leaves unequally bifid at the apex^ 

 bright green on both sides. Epiphytic and apparently rather scarce on 

 living tree-trunks near the bank of the river Lombe. A unique speci- 

 men, past flower March 1857. No. 741. 



8. LISTROSTACHYS Echb. f. ; Benth. & Hook. f. Gen. PL iii. 

 p. 583 (under Avgrcecum). 



1. L. muscicola Eolfe in Fl. Trop. Afr. vii. p. 158 (1897). 



Aeranthus muscicola Echb. f. in Flora 1865, p. 190. Mysta- 

 cidium muscicohcm Durand & Scliinz, Consp. Fl. Afr. v, p. 54. 



Pungo Andongo.^ — A herb or might almost be called a shrub, ter- 

 restrial, densely caispitose, stems erect, aerial roots very many densely 

 woven. Leaves herbaceous-green. Flowers white, finally yellow, smel- 

 ling very sweetly of Narcissus, long persistent. Verj' well worth 

 cultivating. In the more lofty rocks of Tunda, Quilombo, on the 

 prcesidium. In fl. April 1857. No. 699. 



