400 RUTACEZ (Sond.) [ Agsthosma. 
V. Psendostemon.—Sterile-filaments villous, attached to the claws of 
the petals. (Sp. 11-13.) 
Flowers capitate : 
leaves lanceolate, keeled, 3-angled, obtuse, scab- 
rous ; ster.-fil. fili filiform .." 3. ... (11) collina. 
lvs. ovate-oblong, channelled and gibbous at point, i 
ciliato-pilose ; ster.-fil. dilated, petaloid ... (52) Schlechtendalii. 
Flowers in a few-flowered, dense wmbel ao. ee 113) 
VI. Diplopetalum.—Sterile- filaments like the petals, as long and 
Free. (Sp. 14-27.) 
(a.) Leaves linear-oblong : 
obtuse, sharply keeled, ciliate... ... (14) umbellata. 
sub-obtuse, convex-keeled ; ;pedunce. and calyx ciliated (16) anomala. 
sub-acute, round- backed, srg — and 
calyx glabrous ... ws sss (15) lediformis. 
(0.) Leaves linear ; 
= Hlowert-capitate 222.0 is ee a ee. eee (91) Dregeams. 
flowers umbellate : 
leaves flat : 
peduncles hirsute ; petals narrow ; ster.-fil. 
notglanded_—... «» ... (24) filipetala. 
peduncles glabrous ; pet. oblong ; 3; ster.-fil. 
externally glandular... +»... (25) linifolia. 
leaves channelled, more or less three-angh : 
twigs with prominent glands s+ ee ss (17) monticola, 
twigs not glanded : 
petals not much longer than the calyx .... (19) parviflora. 
twice or thrice as long as the calyx: 
leaves thickly gibbous at the apex... (23) gonaquensis. 
leaves not gibbous at the apex ; quite glabrous: 
claws of petals glabrous ; leaves obtuse (26) virgata. 
claws of petals hairy ; leaves acute (27) commutata. 
leaves not gibbous ; the margin and keel 
ciliate, at length sub-glabrate : 
claws of the sterile filaments ig (18) gracilicaulis. 
claws of the sterile filaments pilose : 
calyx lobes glabrous, longer than 
the claws of petals .. ... ... (20) montana. 
cal. lobes ciliate, as jong as the 
petal-claws .... ..» es (22) nigromontana. 
_ VIL Barosmopetale.— Flowers in dense umbels. Petals cuneate at 
base, with a very short claw. Sterile-filaments short, thickish, sub- 
filiform, or half cylindrical, gland-tipped. (Sp. 28-45.) 
Leaves neither mucronate nor piliferous : 
... (36) fraudulenta. 
