310 PLANC1ION. — SUR LES LLMACEliS 



sparse et ad presse pilosulum. Styli divaricati , cruribus stigmaticis ad- 

 jectis, circiter 3 lin. longi. 



42. C. Tala Gill. — G. (Mertensia) spinis geminis rectis ; foliis 

 parvis, grosse serratis v. subintegris , cymulis masculis v. po- 

 lygamis sessilibus, paucifloris, glomeruliformibus ; stylis ovario 

 subaequalibus, crassis, spathulatis, apice bilobis. 



Var. (3 ramulorum epidermidecastanea, foliis minoribus, crassiori- 

 bus, profundius pauci-dentatis. 



Hab. in ditione Platensi ; prov. San-Luiz ; Gillies in lierb. Hook. , — 

 prope Montevideo , capt. King ibid. et Buenos- Ayr 'es, ubi vulgatissima; 

 Tweedie ibid. — Var. (3 in provincia Cordovensi ; Miers. 



Frutex, morePaliuri, ramosissimus, ramulisvetustiscinereis (in var 3, 

 rubro-castaneis) , flexuoso-tortuosis , teretibus , junioribus dense fol iosis. 

 Spinse brèves , v. 6, lin. longée, nunc nullse. Folia vix pollicem longa, 

 basiobtusa, apice acutiuscula v. emarginata , utrinque glaberrima et 

 laevia (in var. p, supra pilis adpressis sparsa), siccitate viridia v fusco- 

 rubentia , trinervia , nervis duobus basilaribus extra médium limbi ex- 

 tensis. CymulaB in glomerulum contractaB , axillares , sessiles , masculae 

 confertœ, 7-10 florœ, floribus pro génère majusculis, glabris. Laciniœ pe- 

 rianthii obovato-spathulatse , truncata3 , staminibus subbreviores. Flores 

 hermaphrod. rarius in cymula masculorum , saepius in axillis foliorum 

 supremorum solitarii, pedicello 1 1/2 lin. longo sustenti. Ovarium ova- 

 tum , glaberrimum. 



Obs. Cette plante, d'après M. Tweedie, est très communé- 

 ment employée à former des haies et comme bois de chauffage. 



43. C. Bmsiliensis Gardn. — G. (Mertensia) spinis solitariis , 

 rectis velsubcurvis; foliis ovato-ellipticis,breviter acuminatis, 

 supra basim obtusiusculam serratis, facie supera asperrimis , 

 subtus fulvo-aureo-pubescentibus ; cymulis masculis sessilibus, 

 paucifloris; baccis breviter pedîcellatis, elliptico-subrhombeis, 

 apice sensim attenuatis, muticis. 



Hab. in Brasilia, prope Rio de Janeiro, in sepibus; Douglas , Scoulet\ 

 Gardner n° 347 in herb. Hook. 



C. brasiiiensis Gardn. in Hook. Lonri. Journ. of bot. vol. 2 p. 330 

 (sub Mertensia) . 



