289 
aractaenum beauv. Agrost.. 47, t. x, f. 6. [Gramineae- 
Cenchrastreae] emend. Hughes. 
Spiculae singulae inter setam. planiusculam et rhachidem 
alatam subexcavatam (vel nonnunquam seta nulla) in racemis 
tandem reflexis demum deciduis dispositae. Glumae inaequales ; 
inferior paucinervis spicula dimidio brevior; superior multinervis, 
spiculam aequantem. Anthoecitwm inferum ad valvam herbaceo- 
membranaceam spiculam aequantem reductum.. Anthoecium 
superum ¢; valva membranacea paulo indurata, marginibus 
apice brevissime ciliolatis non inflexis; valvula valvam aequans 
Lodiculae 2, minutissimae. Stamina 3.  Ovariwm glabrum. 
Gramen annuum, vagans. JFoliorum laminae planae, fiaccidae. 
rf nflorescentia angusta; axis elongatus; racemi ren rhachide 
latiuscula apice seta terminata. 
Species unica, Australiensis. 
P. novae-hollandiae Beauv. l|.c.; Panicum paractaenum 
Kunth. Enum. i, 134; P. reversum F. Muell. Fragm. viii, 152; 
Benth. F]. Austral. vii, 478. 
W. Austratia: Murchison River, Oldfield ; Shark’s Bay (1%), 
Tles Stériles, "Lenk tool and without precise locality, Drum- 
mond, 
S. AustraLia : Vicinity of Lake Eyre, Andrews 44. 
N. Territory: Lake Amadeus, Giles. 
XXVIII.—_NEW SPECIES OF RINOREA FROM 
WEST AFRICA. 
T. F. Cure. 
The considerable acquisition of material from Tropical Africa 
during the past few decades is well illustrated in this present 
genus of Violaceae. In the Flora of Tropical Africa (1868) but 
thirteen species are described whereas at present about 100 are 
known within the range of the Tropical African flora. Their 
distribution is approximately 62 in Upper Guinea, 30 in the 
remainder of tropical Africa and some 10 in Madagascar and. 
the Mascarene isles. A revision of the Upper Guinea species in 
connection with a study of the West African Forest Region shows 
that these 62 species are general confined to that floral region* 
and only in a few cases penetrate into east and south east Africa. 
They appear to represent typical elements of their region and 
are not recorded outside the forest or as intermingling with the 
surrounding East African Steppe flora. The distribution in 
Upper Guinea is :—Senegambia 2, French Guinea 4, Sierra 
Leone 9, Liberia 8, Ivory Coast 1, Gold Coast 4, Togo 1, Southern 
Nigeria 11, Cameroons 39, Fernando Po, Princes and San 
* Engler and Drude, Die Vegetation der Erde, rx. 1, 2. p. 1006. 
z 20373 B 
