36 RUBUS. 



axillary, in the shrubby species forming racemes, panicles 

 or corymbs, which spring from shoots produced by the stems 

 of the preceding year. Calyx without bracteoles. Petals 

 deciduous, white or reddish. Inflorescence centrifugal. 



Sec. I. KuBi Frutescentes. 



Caules siiffruticosi. Folia subquinata. Stipulce 

 lineares ad basin petiolorum affixse. Flores subpani- 

 culati. Acini in baccam polyspermam compositam 

 congesti. Receptaculiun conicum. 



Subsec. I. Id.ei. Caules steriles suberecti biennes. 

 Receptaculum a fructu discretum. Folia ssepissime pinnata. 

 1. R. Idaeus Linn. 

 2? R Leesii^a^). 



Subsec. II. FiiUTicosi. Caules biennes vel perennantes. 

 Receptaculuni ad fructum adherens et cum eo desidens. 

 Folia digitata, pedata, vel rarissime subpinnata. 



i. Suberecti. Caules ssepissime suberecti, glabri vel 

 sparsim pilosi vel pruinosi, nee setosi neque tomen- 

 tosi. Aculei sequales. — Sepala intus albo-tomentosa, 

 extus pilosa margine albo-tomentosa. 



3. R. suberectus Anders. 



4. R. fissus Lindl. 



5. R. plicatus W. & N. 



6. R. affinis W. (h K 



ii. Ramnifolii. Caules plus minusve arcuati, sparsim 

 pilosi, nee pruinosi nee setosi neque tomentosi, radi- 

 cantes. Aculei in caulis angulis ssepissime congesti, 

 subsequales. — Sepala extus tomentosa. 



