PO'TTIOIDEAE. SCHLOTHEIMIA. ne UE 
concava , alis convexis, cellulis minute: rotundatis, ad ba- 
sin teneriorem rhomboidalibus ; perich. immersa , interna 
pauca late lanceolata nec majora: nec rugulosa; theca in 
ped. perbrevi minute ovalis laevissima, evacuata plicata, 
dentibus ext. brevibus, int. brevioribus, calyptra intense 
fusca, apice minus scabra. 
Sch. rugifolia Sulliv. Musc. Allegh. II. No. 146. 
Palria. America sept. Un., ubi in Ludovicia arbo- 
rum corticem habitat. 
A S. rugifolia notis cursive impressis longe refugit, 
a ceteris congeneribus jam exiguitate differt. 
12. S. Chamissonis Hsch. (Fl. Bras. I. p. 31.) ; dense 
pulvinata robusta densifolia, dense ramosa atro - fusca, ra- 
mis brevibus simplicibus; folia caulina appressa torquata, 
madore erecto- imbricata, lineari - lanceolata obtusa cana- 
liculata, nervo crasso ferrugineo brevissime mucronata, 
margine parum involuta, subinde longitudinaliter plicata 
cellulis basi linearibus, superne rotundis obscuris; perich. 
interiora oblongo - lanceolata, intima minuta ovato- acumi- 
nata tenuissima vaginata, basi hyalina, apicem versus 
pellucida, nervo crasso viridi evanido, theca in ped. bili- 
neari erecta cylindrica angusta laevis, ore purpureo, ca- 
lyptra fuscescente laevi (?). F- 
Macromitr. Chamissonis C. Müll. Bot. Zeit. 1845. p. 543. 
Patria. Ynsula Sta. Catharina Brasiliae: Chamisso. 
A S. rugifolia notis illustratis certe distare videtur. 
qt.  BHlatiores. 
13. S. Jamesoni Brid. (I. p. 742.); dioica; laxe pro- 
strato- pulvinata, ramis ascendentibus longiusculis brevi- 
ter dichotomis luteo- ferrugineis subgracilibus, folia pul-. 
chre torquata, madore erecto - patentia late lanceolato - [i- 
gulata v. acuminata, complicate canaliculata, apice refle- 
xiuscule apiculato, «lis flexuosis, haud rugulosis , conve- 
xiuseulis, cellulis minute rotundatis, basi ellipticis; perich. 
longe. acuminata exserta, laevia complicata et plicata; 
theca in ped. elongato majuscule cylindraceo -oblonga bre- 
