128 brotèria: serie botânica l 11 ^] 



A forma typica differt habitu robusttore, forrais minoribus 

 A. canarierisis subsimili, foliis latioribus Iate ovato-lanceoiatis, pe- 

 dicello iongiore, capsula majore peristomiique dentibus in 2 crura 

 plus minus perfecta divisis. (Cardot in litt.). 



A propôs du spécimen de Miss Armitage, M. Dixon écrit : 

 «From the somewhat more robust habit, longer seta (12-15 mm.), 

 and peristome teeth divided above into two shot crura ; 1 judge 

 this to belong to var. latifolium Card. described from specimens 

 collected near Funchal in 1S90 by M. Menezes. 



\ oici la description originale que M. Cardot a donnée de Leu- 

 codon. Treleasei : 



«Verosimiliter dioicum, caespitosum, sordide vel Iutescenti- 

 viride. Caulis repens, stoloniformis, ramis numerosis fasciculatis, 

 crassis, erectis vel ascendentibus, simplicibus, siccitate rigidulis, 

 teretibus, 1-2 centim. longis. Folia 2-2,50 millim. longa, dense 

 conferta, mádida patentia, sicca arctissime imbricata, ovoto-lanceo- 

 tata, acuminata, acuta, valde plicata, enervia, marginibus late re- 

 flexis ubique integerrimis, cellulis omnibus incrassatis, mediis linea- 

 ribus, flexuosis, margines versus oblongis ovatisve, aíaribus per- 

 multis, obscurioribus, interdum fuscescentibus recte seriatis, subro- 

 tundatis, marginalibus transverse dilatatis. Folia perichaetialia 

 externa abrupte cuspidata, intima longe convoluta, acuminata, 

 integerrima. Capsula in pedicello rubello, 8-IO millim. longo, su- 

 perne dextrorsum torto, erecta inclinatave, ovato-subglobosa, badia, 

 operculo ignoto. Peristomii externi dentes albidi, spongiosi, íragi- 

 les, intus trabeculati, papillosi, integri, linea divisurali superne valde 

 conspícua, siccitate reflexi ; interni membrana annulari albida, 

 16-plicata. Planta máscula ignota.* 



M. Cardot ajoute : -Easily known from A. canariense Schw. 

 by the much smaller sizes, the shorter and more shortiy acumi- 

 nate leaves, and the more numerous, less thickened and colored 

 alar cells, extending higher along the margins of the leaf. As far 

 as concerns the vegetative system, A. Treleasei very much re- 

 sembles Leucodon sciuroides Schw., but it is readily distinguished 

 from that species by the shape of the perichaetial leaves and 



