249 
537. Psilotrichum concinnum, Baker [Amarantacex] ; a P. a 
cano, Oliv., recedit, habitu herbaceo, foliis multo minoribus, pice 
omnibus termina ibus 
Herba perennis, ramosa. Ramuli glabri, — pe 
virides. Folia parva, breviter petiolata, oblon 
obtusa, sparse pubescentia. Spice parve, dense, Ac nbn cass 
terminales, rhachi subrecto dense put bracteæ parve, late 
ovate. Perianthium album, 2 lin. lon segmentis oblongo- 
lanceolatis rigidis Weeds Btamino dde abortiva. Stylus 
brevissimus, stigmate capitat 
BRITISH CENTRAL ton Blantyre, Last. 
538. te pre trichophyllum, Baker [Amarantacez] ; 
africano, Oliv., recedit foliis firmis subsessilibus utrinque je 
pubescentibus 
- Suffruter, mils lignosis dense See Folia sub- 
sessilia, oblonga, 11—2 poll. longa, acuta, firmula, utrinque dense 
pubescentia. Spice dense, pauciflore, in paniculam parvam 
terminalem  disposite. Pi sünthium album, 2 lin. longum, 
segmentis oblongo-lanceolatis rigidis pubescentibus. 
PORTUGUESE EAST AFRICA. Lower part of the Zambesi valley 
at Shamo, Kirk. 
539. Psilotrichum debile, Baker [Amarantaceæ] ; a P. africano 
liv., recedit foliis obovatis subsessilibus, ramulis elongatis 
debilibus. 
a eet Bea os mic oe M T Vos artes Folia 
, poll A i 
oblongæ, 1 poll. longæ, rhachi peer dense piloso ; bracteæ 
ovatæ, pubescentes, — paulo breviores. Perianthium album, 
21 lin. longum, segmentis oblo ngo tiko ceolatis rigidis dense 
pubescentibus. Štaminodia quadrata, pilosa. Stylus elongatus, 
stigmate capi 
ANGOLA. ia 6570. 
540. Psilotrichum rubellum, Baker aI ere a P. schim- 
periano, Engl., recedit rhachibus spicarum lanosis 
erba perennis, erecta. Caules graciles, —— sparse pubes- 
EM Folia fasciculata, sessilia, linearia, Berar 1-2 poll. longa, 
viridia, subglabra. Spice parvs, dense, terminales, rhachibus 
lanosis ; cut da git ses Pei nsn rubrum, glabrum, 
2 lin. longum ; rigidis ob asda rcs Staminodia 
Gtiadrata. Sti iim popa stigmate capi 
ANGOLA. Province of Huilla, alt. inn -5500 ft., Welwitsch, 
6509. Province of Humpata, Chella mountains, Sir H. "H. Johnston. 
541. Psilostachys Kirkii, Baker ee ad P. gnaphalo- 
bryam, Hochst., (Psilotrichum cordatum, Mog.) accedit. 
Suffrutex erecta. Ramuli lignosi, teretes, glabri. Folia 
