1907] SCHN EIDER—CONSPECTUS GENERIS AMORPHAE 299 
t.4-2° vel ad 6X2.5°™ magna; petala obovato-cordata, brevi-unguiculata, 
6-7™™ longa; fructus maturi 7-9™™ longi; dorso ad apicem subito leviter recur- 
vati, dense vel vix glanduloso-verrucosi . . . 12. A. virgata (et A. nitens) 
tob. Foliolo superne haud nitentia, minus quam duplo longiora quam lata, 
0.5X1.2 vel 2X1.5 ad 5X4 vel 5.5X3.5°™ magna; petala basi in unguem 
distinctum contracta; fructus dorso recti, 7™™ longi, glanduloso-verrucosi; 
planta omnibus partibus pubescentia vel glabriuscula 
A. laevigata (et A. texana) 
11a. Folia g-20°™ longa; foliola 11-17, ovato-elliptica vel elliptica, basi late 
subacuta, raro manifeste rotundata, apice obtusa vel rotunda vel subacuta, 2. 3- 
4X1.2-2.2°" magna; petiolula ad 3™™ longa; petala obovato-oblonga, o.5™™ 
longa; fructus 0.6™™ longi, vix sia semper ?) ays -verrucosi; planta 
adulta glabriuscula 6. A. californica 
t1b. Planta foliis el ranitbaie ‘el signis sectors ees 
. Fructus dorso fere recti plus minus distincte, oe aa glanduloso- 
verrucosi; folia 8-15°™ longa, foliola 12-31, anguste elliptica vel anguste ovato- 
Loneeclate, utrinque rotundata, apice mucronulata, 12-18X6-8™™ magna, 
brevi-petiolulata; dentes calycis breves, superiores fere rotundi, inferiores acuti 
medio paullo longiore; petala obovata, brevi-unguiculata, o0.5™™ longa; planta 
omnibus partibus junioribus molliter pubescens, deinde glabriuscula 
g. A. tennessensis (cf. etiam 10) 
. Fructus manifeste falcata (dorso recurvata), fere semper longiora vel 
foliola latiora vel utrinque acuta. 1 
13a. Folia g-20°™ longa; ne 15-27, lanceolata, utrinque (praecipue basi) 
acuta vel apice subrotundata, mucronulata, 2-3.2X0.7-0.8 vel rarius ad 3X 
I.2~-1.5°™ magna, distincte petiolulata; fructus maturi 6-7.5™™ longi; planta 
adulta satis glabriuscula, sed folia non glabra 
10. A. angustifolia (cf. etiam 9) 
13b. Folia ad 30 prasen foliola 11-25, plerumque majora, forma variabilis; 
fructus maturi i longi; apie yates vel adulta plerumque glabri- 
ee oe am r 1%, 2. fructicosa 
In the following pages I shall comment upon each species and its 
forms and shall attempt to clear up its synonomy. It also seems best 
to cite all the specimens I have seen. Figures of most of the details 
of leaves, calyx, petals, and fruits will be found in my Jilustriertes 
Handbuch 2: pt. 1. 1907. 
1. A. HERBACEA Walt. Fl. Carol. 179. 1788.—A pubescens Willd. 
Berlin. Baumzucht 17. 1796; A. pumila Michx. Fl. Bor.~Am. 2:64. 
1803. 
Var. a. TYPICA. —Foliis majoribus, ad 25°™ longis; foliolis 15- 
37-35, ad 2.5 X1.3°" magnis. 
