350 MR. RICHARD SPRUCE’S HEPATIC ELLIOTTIANA. 
79. RapuLa suBsimPLEex, Steph. in Hedwigia, 1884, p. 180. 
(Tab. XXV. figs. 1-3.) 
Dioica, elata, tota rufescens; caule 5-7 cm. longo, pinnato, 
pinnis inequilongis, plerisque brevibus, simplicibus furcatisve, 
rarius pinnulatis, omnibus subequifoliatis. Folia subimbricata, 
late patentia, semicordato-orbiculata, plus minus concava, mar- 
gine externo semper fere late incurvo; lobulus 4plo brevior, 
trapeziformis, ad carinam angulo 50° ascendentem, rectam vel 
subconvexam inflatus, margine sintis cum folii margine (expla- 
nato) fere recte continuus, basi in caule alte incurrens, angulo 
breviter libero anguste incumbens ; cellule minute, opace, tri- 
gonis nullis. Flores 2 terminales, sepe dichotomiales; bractee 
foliis multo minores, appressw. Perianthia alte emersa, obconico- 
clavata, e basi longe attenuata subinfundibulata, ore compressa 
truncata et crenulata. Andrecia in ramis terminalia mediave ; 
bractee paucijuge, diandree.— Folia 1°3X 1°35, lobulus ‘4-5 (ad 
carinam), cellule 5-75 ; perianthia 2°5-3°0 x 1:0-1'2 mm. 
Hab. Dominica, ad arbores in monte Micotrin (Etiiort, 
no. 99), etiam in monte Diablotin (ELuiort, nos. 649 et 671, 
Oct. 1892).—Species insignis colore rufulo, foliisque margine 
externo late incurvis; in R. infleca tamen folia magis elongata 
apicem habent late incurvum vel etiam involutum. 
80. R. porroricensis, Steph. in Hedwigia, 1888, p. 298.—St. 
Vineent, Richmond Valley (212). 
81. R. saccarinosa, Steph. in Hedwigia, 1884, p. 129.—Dominica, 
Morne Diablotin (no. ?). A solitary stem. 
82. R. rnriexa, Gottsch., Steph. in Hedwigia, 1884, p. 148.— 
Dominica, Morne Diablotin (671, 6738, 685). 
83. R. rectrnoBa ?, Steph. in Hedwigia, 1888, p. 298.—Dominica, 
Morne Couronne (216). 
Subtribus ii. PTIZIDIEA. 
Genus 4. Isoracuis, Mitt. 
84. I. serruzata, Husnot,in Rev. Bry. 1875, p. 2. Jungermannia 
serrulata, Sw. Prod. Fl. Ind. Oce. 143.—Dominica, Grande 
Souffricre (810, 811, 866, 877), windward road to the Lake 
509), Roseau Valley (92, 93), Morne Micotrin (71). 
Var. puRPUREA, Jung. serrulata, var. purpurea, Hook. Bot. 
Mise. i. p. 13, t. 10.—Dominica, Grande Souffri¢re (812, 813, 
814). 
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