﻿^**"^««-] MR. G. BENTHAM ON THE M1M0SE.E. 389 



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Series 10. 'Spicifiom. Pinnae pluri- v. multi-jugse. Spicse cylindrace^ v. elongatae. Aculei sparsi 

 parvi. riores saepius 5-meri. — Species 104-109. 



Series 11. Obstrigos(B. Pinn^ l-jugse. Fruticuli inermes v. parce aculeati, pilis deorsum appressis 

 strigosi rarius glabri. — Species 110-116. 



Series 12. Lepidot^. Pinnae 1- pluri-jugse. Frutices inermes, tomento stellato plumoso v, lepidoto, 

 flavicantes canescentes v. fulvescentcs. — Species 117-130. 



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Sect. 2. Habbasia. Stamina numero petalorum duplo plura. — Species 131-27 



* Setce nulloi {sp. 2 exceptis). 



Series 1. Leptostachym. Spicse cylindracese densse v. laxiflorje.— Species 131-16p. 



Series 2. Glandulifera. Capitiila parva, globosa, ample paniciilata. Lcgumen plainim, pluriarti- 



culatum. Frutices saepe scaiidentes, aculeis minimis recurvis. roliorum petiolus glaudulifer. — Species 

 ?- 161-16^. f 



Series 3. Rubicaules. Capitula globosa, ssepius paniculata. Legumcn planum^ pluriarticulatum. 

 Frutices aculeis sparsis armati rarius setis rigidis cchinati. Foliorum petiolus eglandulosus.— Species 

 168-190. . 



Series 4. Acanthocarp^. Capitnla globosa, pleraque axillaria. Legumcn planum, valvis indivisis v. 

 rarius articulatis. Frutices aculeis sparsis v. infrastipularibus armati. — Species 191-213, 



Series 5. Ephedroidece. Capitula globosa, latcralia. Legumcn planum (pluriarticulatum?). Fruticuli 

 spinescentes^ aphylli v. foliis parvis raris. — Species 214, 215. 



Series 6. Stipellares. Capitula globosa, axillaria. Legumen subplanum, valvis indivisis. Frutices 

 inermes v. rarius parce aculeati, non setosi. Stipellae orbiculatse v. ovatae. — Species 216-224. 



Series 7. Lepfopodce. Capitula globosa^ axillaria. Legumen planum^ valvis articulatis. Frutices 

 inermesj non setosi. Stipellse minutge v, setacese. Foliola parva v. 0. — Species 225-239. 



*^ Saapissime setose* 



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Series 8. Somniantes. Capitula globosa^ pleraque raccmosa. Corollse multistriatae. Frutices v.herbae 

 aculeati v. inermes, setosi hispidi v. glabri. Petiolus inter pinnas setifer. — Species 240-249. 



Series 9. A$perat(jB. Capitula globosa, axillaria v. raccmosa. Corollae mcmbranacege non striata. 

 Frutices v. herbae aculeati v. subinermes, hispidi v. setosi. Petiolus inter pinnas ssepius setifer., L^umen 



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planum, valvis articulatis. — Species 250-265. 



Series 10. Adverse. Capitula globosa, racemosa. Legumen subplanum, valvis indivisis. Frutices 

 suffruticesve aculeis sursum incurvis armati. — Species 266^ 267. 



Series 11. Pachycarpa. Capitula globosa/ conferta v. racemosa. Legumen ssepius crassiusculum, 

 setosum, valvis indivisis. Frutices inermes, setosi.— Species 268-278. 



. All the series of both sections are American ; tbe few species of tbe genus indigenous to the Old World 

 TiAlnncT +.n fl»p spries RuMcaules and Asneraia of Habbasia. 



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Sectio 1. Etjmimosa. 



Stamina numero petalis sequalia. — Herbae, suffrutices v. frutices, interdum scandentes, 

 rarissime arborescentes, sa^pe setosi. Poliorum petiolus (duabus speciebus exceptis) 

 eo'landulosus. Piunae ssepius 1-jugge v. jugis digitatim approximatis rarius dissitis pluri- 

 mo-ve. Poliola pauci- v. multi-juga, dum paucijuga foliolum interius paris infimi saepius 

 multo minus v. deficiens. Capitula in seriebus plerisque globosa v. rarius elliptica, in 

 seriebus lOma et 12ma spicae oblongae v. elongato-cylindracese. Calyx minutus subincon- 

 spicuus V. paleaceo-ciliatus aut pappiformis. Corolla membranacea v. in. serie 12ma cras- 

 sior, 4-fida v. in serie lOma 5-fida, rarius 3- v. 6-flda. Legumen soBpius oligospermum 



