308 LXXiII. CoMPOSITA (OLIVER AND HIERN). [ Erigeron. 
2. B Grantii, 0. § H. ex Oliv. in Trans. Linn. Soc. Lond. xxix, 
p. 93, t. 58. Erect annual herb 1-2 ft.; stem terete subsulcate, thinly 
pubescent, branched above. Leaves linear or linear-oblong, obtuse or 
subacute, narrowed to sessile base, submembranous, entire or remotely 
dentate, strigose, obscurely 3-nerved, 1-24 in. long, 3-4 in. broad. 
Capitula hemispherical oo -flowered 3-2 in. diameter, on slender pubes- 
cent pedicels }-4 in. long in a lax cymose panicle 4 ft. wide. Scales 
of involucre subbiseriate, inner oblanceolate-linear acuminate with 
scarious imbricate margins about } in. long, outer few linear, rather 
shorter, thinly pubescent. Receptacle naked. Ligulate-fl. 1-seriate, 
spreading, rather broader than involucral scales, white. Achenes 
rather narrowly obovoid, more or less compressed, setulose. Pappus 
thinly 1-seriate, strongly barbellate, white. 
Wile Land. Unyoro, Poloa?? sp. 2, Speke Journ. App. 638, Speke and Grant! 
covering fallow ground ; flowers in August. 
Erigeron linifolium, Willd. Sp. Pl. iii. 1955 (Conyza ambigua, DC. Prodr. vy. 381, 
excl. synon.; E. ambiguus, Schultz Bip.in Webb & Berth. Phyt. Canar. 1. 208), @ 
native of Mediterranean shores, occurs as a waif in Prince’s Island, Barter! 
UNKNOWN SPECIES. 
Erigeron Buchingeri, Schultz Bip. in Schweinf. et Aschers. Enum. p. 284, nam 
only, from Abyssinia; E. erythrolepis, Schultz Bip., l.c., from Abyssinia; and 4. 
spathulatum, Schum. et Thonn. Guin. Pl. p. 385, from Aquapim. 
20. MICROGLOSSA, DC.; Benth. et Hook. f. Gen. PI. ii. p. 282. 
Capitula heterogamous; ray-florets 9 minute multiseriate, disk- 
florets 5 few or many. Involucre campanulate ; scales 2—4-seriate, 
imbricate, linear or lanceolate, outer smaller. Ray-florets ligulate, 
ligule very narrow, scarcely broader than the tube or not exceeding 
2-3 times its width, rather shorter than or exceeding the style ™ 
length ; disk-florets tubular, gradually narrowed. Anther-base obtuse 
unappendaged. Style-tips lanceolate or 4-conical papillose. Achenes 
more or less distinctly costate or angular, not at all or slightly com- 
pressed ; pappus 1-seriate, subequal, setiform.—Shrubs, often scab 
dent or twining, glabrous or pubescent. Leaves alternate, simp’ 
entire, or serrate. Capitula small, in more or less dense paniculate 
corymbs or cymes ; ray white. 
A small genus of the Old World Tropics. 
Leaves petiolate, ovate or ovate-lanceolate. 
Leaves serrate. Ligule twice breadth of tube . . . . 1. M. densiflora. 
Leaves subentire. Ligule equalling tube in breadth . . 2. M. volubilts. 
Leaves sessile, base minutely sagittate-auricled . . . . 3. M. sessilifolia. 
Leaves attenuate to a sessile or subsessile not auricled base 4. M. angolensis. 
1. M. densiflora, Hook. f. in Journ. Linn. Soc. vii. p- 200 
Scandent, reaching 20-25 ft.; branches terete, stout, sulcate, pane: 
cent. Leaves ovate-oblong or -lanceolate, acutely acuminate, oh . 
base, serrate, membranous, scaberulous above, pubescent be a 
petioled, 2-54 in. long by 3-3 in. wide; petioles spreading pubesce? 
4 in. long. Capitula campanulate, } in. long, many-flowered, on very 
