190 CYPERACEH (Clarke). [ Mariscus. 
vag 8. M. umbellatus (Vahl, Enum. ii. 376 partly); resembling ~ 
a. sieberianus, but spikelets very small, numerous; spikes usually L 
1-1 the length of the rays, with the innumerable spikelets recent: 
stellately spreading, so that the apa are — deflexed. Kylling a 
umbellata, Rotth. Deser. et Ic. 15, t. 4, fig. 2, excluding some syn. : 
Linn. f. Suppl. 105. Cyperus ovularis, Boeck, in Linnea, xxxv 1. 
376, form a partly. C. umbellatus, C. B. Clarke in Journ. Linn. 
Soe. xxi. 200, form a partly; Boeck. in Engl. Jahrb. v 
Eastern Reaqion: Natal; around Durban Bay, Drege, 4449! 
Abundant in Tropical Africa and the Mascarene Islands! 
Pi form apse by Rotthb — is abundant in Tropical Africa, but has not 
yet been seen India. Rottboell aa EN ‘his aaa to India, put his cha- 
‘eitoriitis an ay have nin ke 1 from an ah ica weg ant. "Whether the 
typical Bite Sees “‘umbellata’’ be extetued a spec r., I entirely dissent 
trom eler’s plan of uniting it with the Auwerican OI un is, which I regard 
as weil di distinct from any Old World Mavis 
9. M. radiatus (Hochst. ex Krauss in Flora, 1845, 757) ; resembling 
M. sieberianus, but spikelets cas Mae ‘conspicuously Fogenees 
Cyperus Krausii, Boeck. in Linnea, xxxvi. 379. 
ib gs a Pelee fare Harvey, 88! Bow 
Ras Ree wlaas River, Kr ass fete and without precise 
docality, Trchawae ? Dek eck Bay, ex od, 239! Kur 2, 216! 
In the type ase aed Le ee “pile Krauss 35, the r sb are Resa but they are 
sometimes long and occasionally very long. The s spikelets are 2—1-flowered, but 
geuerally mature 1 ies bey are a hiak when young, white. mien ripe. 
10. M. macer (Kunth, Enum. ii. 121); resembling M. siebertanus, 
but spikelets oblong-obovoid, conspicuously trigonous, always 
Le. that t 
glume) rudimentary, not easily to be distinguished from the giume- 
~ rhachilla, C. eg eytindrostachy ys, Boeck. in Linn@a, xxxXvi- 383 
rely. 
Katanart Region: Orange Free State ; sprees 153 partly ! 
EasteRN ReGion: Natal, Buchanan, 108 part 
Also in the mountains of Tropical Africa at a ft. 
Spikes long, being boner oe in all the examples ; but this species does 
not really differ from M. radiat ge by the po hire of the tae flower. 
There is a “ represvatalave” anti the M. s group abundant in 
‘Tropical A viz. M. flavus, Vahl, ee sek 5 all authors, ine! uding 
—— can no character except the lowest glume I., which is ene 
(like aceous ye ract) in ere American group. M. macer appears ni 
<ecaminies like MM. flavus, Vahl. 
11. M. macrocarpus (Kunth, Enum. ii. 120) ; resembling 
UM, vieberianus, bat spikelets maturing 2-3 broad- oblong » uts. 
C. macrocarpus, oeck. in Linnea, xxxvi. 880.. OC; asta Ridley im 
Trans. Linn. Soc. ser. 2, ii. 144, 
Eastern Recion: Natal; between the Umtentu River and Umsameulo 3 
ea. Drege, 4421! Buchanan, 153 partly! f 
Frequent in South Tropical Africa. 
