93 
Folia matura infra glabra = solum in 
nervis breviter pubescen 
eee supra actescistonai- et calyx 
laber 
4. floribunda. 
Pedicelli supra ghioulitioneth oe calyx 
conspicue pubescens :— 
Samara neh, et angusta, utrinque 
aequilata vel leviter — ; 
species taderaspatenss 5. indica. 
Samara _ plus nusve ova ata vel 
lanceolata, spicam versus ae } 
species ind. orient. borealis ... 6. glabriuscula. 
If. Orbiculares, sect. nov.—Samara orbicularis vel suborbicu- 
arts, plerumque vix longior quam la‘a:— 
Flores axillares, simpliciter pedicellati vel in 
acemos brevissimos dispositi; ramuli 
longitudinaliter sulcati, cortice glabro 
cinereo obtecti ; folia elliptica vel obovato- 
basi cuneata, acne ; samara 
embranacea - .. 7, canarensis. 
Flores in paniculas vel pee sauieraincens 
dispositi :— 
*Pedicelli supra articulationem glabri :— 
tRhachis orange et saepe ramuli 
m pagina inferior wii 
et Rapuaates dense pubescens : 
Fructus dorso inter-alias crista ‘tae 
instructus :— 
Folia Festal plus minusve cordata, 
ice prominenter cuspidata, 
infra molliter tomentosa ... 8. obvordata, 
Folia solum ad basin cordata vel 
rotundata, plus minusve sensim 
acuminata :— 
Folia orbicularia vel late ovato-orbi- 
c 
dense ruto-tomentosi :-— 
Folia infra solum in costa 
ubescentia, nervis ter 
tiariis supra conspicuis... .. 9. Helferiana. 
Folia infra ubique mollite 
tomentosa, nervis ter- 
tiariis supra inconspicuis 10. tomentosa. 
Folia 9-13 cm. lata; petioli 
pany appresse pubes- 
ntes vel tere glabri__—...._ 11. Cavaleries. 
Folia sivas elliptica, mul 
longiora quam lata; samara 
membranaceo-hyalina ... 12. concava. 
