THE FLORA OF RAROTONGA. 305 
* ANDROPOGON HALEPENSIS, Brot., var. EFFUSUS, Hackel.—Introduced by the European 
settlers, and often cultivated for fodder. Has become wild in several localities. 
Cultivated in all warm localities. 
Cynopon Dacryton, Pers.—Native name Mati. Roadsides and waste places in the 
lower part of the island, abundant. 
All warm countries. 
CHLORIS CHEESEMANI, Hackel, sp. nov.—* Perennis, cæspitosa. Culmi subereeti, 
eraciles, circ. 40 em. alti, teretes, multinodes, e nodis inferioribus ramosi, glaberrimi. 
Vaginee arctze, internodia æquantes vel superantes, subcompresse, glaberrime nisi 
faucibus longi molliterque fimbriatz. Ligula obsoleta. Lamin: anguste lineares, 
setaceo-acuminatie, plane vel subeomplieat:e, ad 12 em. long., 1:5-3 mm. lat., glabree, 
margine scabræ, virides. Spice 3-4, digitatee, erectee (etiam fructiferæ), graciles, 
circ. 8 em. long., rhachi glabra, scabra ; spiculze subimbricatze, appressxe, 4-5 mm. 
longze, sordide violascentes vel nigrescentes; glumæ steriles inzquales (inferior 
4 brevior), lineari-lanceolatz, subulato-mucronate, integre, inf. l-nervis, sup. 
3-nervis, nervis aculeolato-seabris. Gluma floris $ lineari-lanceolata, 4 mm. longa, 
callo breviter barbata, apice inter dentes 2 subuliformes breves aristam rectam 
circ. 5 mm. longam exserens, 3-nervis, carinata, superne scabra; ejus palea quam 
gluma paullo brevior, bicarinata, carinis superne scabris. Anthere 1 mm. longs. 
Flos sterilis unicus, pedicello glabro quam gluma florens 3-4-plo breviore fultus, 
circ. 2 mm. longus, uniglumis; gluma lineari-oblonga, superne aculeolato-scabra, 
apice integro in aristam circ. 4 mm. longam abiens, sine palea et sine rhachillæ 
continuatione. 
* Rarotonga, in loeis saxosis montium rara. Julii, 1899, leg. T. F. Cheeseman. 
* Affinis C. divaricate, R. Br., que vero differt spicis 6-12 demum divaricatis, 
floris sterilis gluma apice biloba, inter lobos aristata. Eadem nota (floris sterilis) 
differt C. cynodontoides, Bal, qus ceterum rhizomate repente, foliisque obtusis 
distinguitur." 
ELEUSINE INDICA, Gzertn.— Common, especially in waste places near dwellings, &c. 
All warm countries. 
CENTOTHECA LAPPACEA, Desv.—Native name Mauku-tonga. Ravines and in rich 
alluvial soils, plentiful. 
Pacific Islands, Australia, tropical Asia, and Africa. 
ERaGROsTIS PLUMOSA, Link.—Native name Mauku. Common everywhere in fields 
and waste places in the lower part of the island. 
Polynesia and northwards to India and Ceylon. 
