Saxifragee.| LIX, SAXIFRAGELÁE. 635 
tibus, stigmatibus obtusis; ovula oo, placentis in axi loculi affixa. . Capsula 3-loba v. car- 
pella 3, coriacea, elongata, secus axin dehiscentia, oligo- v. polysperma. Semina scobifor- 
mia, parva, testa membranacea utrinque longe producta; albumen copiosum carnosum.— 
Herbs elatz, rhizomate perenni, glabre v. pilose, habitu Spirec ($ Aruncus), caulibus 
simplicibus v. ramosis teretibus foliosis. Folia 2-3-ternata v. 9-natim decomposita, 
foliolis argute serratis, petiolis basi dilatatis.  Stipule membranaces, petiolo adnate. 
Racemi v. spieze. terminales, in paniculam patentem v. angustam dispositi. Flores swpe 
polygamo-dioici, parvi, albi rosei v. virides. Fructus parvus, erectus v. nutans. 
Species ad 6, Himalays, Javze, Japonis et Ameriez boreali-orientalis incole, DC. Prod. iv. 51, 
Walp. Rep.ii. 372 (Hoteia): Ann. i. 976 (Hoteia) ; v. 29. .Bot. Mag. t. 3821 (Hoteia), 4959. Cum- 
bess. in Jacq. Voy. Bot. t. 58 (Spirea). Genus Spiree valde affine. 
5. Rodgersia, A. Gray, Mem. Amer. Acad, Ser. 2. vi. 389.—Oalyeis tubus brevissimus, 
turbinatus, basi ovario adnatus, lobis 5 patentibus valvatis. Petala 0. Stamina 10, fila- 
mentis elongatis subulatis; anthere subdidym:s. Ovarium superum, late conicum, 2- v. 
8-loculare; styli 2 v. 3, crasse subulati, stigmatibus capitatis; ovula oo, placentis crassis 
affixa, pendula. Capsula immatura tantum visa. Semina immatura scobiformia, testa 
utrinque laxe producta.—Herba 3—4-pedalis, erecta, 3—5-foliata, rhizomate crasso squamoso. 
Folia magma, alterna, radicalia maxima, longe petiolata, palmatim v. peltatim 9-secta, cau- 
lina 3-loba, segmentis sessilibus argute serratis apice incisis, petiolo basi dilatato. Stipulm 
membranaces, petiolo adnatz. ^ Cym:e scorpioidee, in paniculam amplam nudam dis- 
posits. Flores inter minores, subsecundi, ebracteati, luteo-albi. 
Species 1, Japonica. 
6. Saxifraga, Linn, Gen. n. 550.— Calycis tubus brevis v. elongatus, liber v. basi ovarii 
adnatus, lobis 5 erectis v. patentibus imbricatis. Petala D, sequalia v. rarissime insqua- 
lia, nunc basi fimbriata v. glanduligera, perigyna v. subhypogyna. Stamina 10, rarius 5, 
cum petalis inserta, filamentis subulatis v. filiformibus; antherze didymse. Ovarium su- 
perum v. semi-inferum, 2-loculare, apice 2-lobum (rarissime carpella 2 libera), carpellis 
in stylos ssepissime recurvos breviusculos desinentibus, stigmatibus capitellatis v. truncatis ; 
ovula oo, placentis in axi affixa. Capsula supera v. semisupera, 2-rostris, polysperma, 
inter rostra 2-valvis. Semina parva, oblonga, testa levi v. rugosa.— Herbs perennes, 
rarius annus, habitu varie, glaberrimee pilose v. glandulosm, erecte v. decumbentes. 
Folia varia, radicalia sspe rosulata, caulina sspissime alterna, petiolo basi vaginante. 
Flores inter minores, paniculati v. corymbosi, rarissime solitarii, albi v. flavi, rarissime 
purpurei v. rosei, 
Species ad 160, regionum temperatarum (precipue in alpibus) et areticarum hemisph:erii borealis 
ineole, in Asia rariores, in America australi paucissim:ze, Australia, Africa australi insulisque Paci- 
fieis omnino exsules. DC. Prod. iv. 17. Sternb., Revis. Saaifr. Walp. Rep. ü. 362, 936; v. 
824: Ann. i. 836; ii. 687; v. 24. Hook. f. et "Thoms. in. Journ. Linn. Soc. à. 60.—8Sectiones 
' sequentes (generibus auctorum nonnullorum consons) a monographis plerisque admisse. 
1l. Bergemia. Rhizoma erassum. Folia ampla, petiolo basi dilatato. Calyx 5-lobus, lobis obtu- 
sis erectis. Petala alba rosea v. purpurea. Bof. Mag. /£.196, 4915, 5066.  Hoyle, Ill. 1. 49. f. 2. 
Jot. Heg. 1843, 4. 65.  Mxcasza, Haw. Enwm. Sazifr. 6. 
2. Porphyreon. Muscoidez. Folia imbrieata, parva, opposita, apiee sepissime porosa. Flores 
solitarii, rubri v. purpurei. Calyx erectus, tubo subelongato.—Species ad 6, regionibus aretieis 
gelidisque alpium obvise.  Sternb. Suppl. t. 10. f. 2. Engl. Bot. t. 9. AwTreHYLLA, Haworth, 
partim, Enum. Sazifr. 43. 
3. Aizoonia. Herbs erectz v. suberectz, ssepe csspitose. Folia rosulata, perennantia, erasse 
coriacea, cartilagineo-marginata, impresso-punctata, apice sepe poroso. Flores paniculati v. corym- 
bosi, albi v. lutei, rarius rubri. Calyeis tubus subelongatus.  Sfernó. Hevis. ii. 6. 1, 2, 8, 9. — Bot. 
Mag. t. 901. CuoxpRosga, Haw. Enum. Sazifr. 10. 
4. Dactyloides. Caules sspissime decumbentes, diffuse v. compacte ramosi v. rarius simplicius- 
culi. Folia persistentia, sepe 3-5-secta v. pedatim v. palmatim multifida. Caules floriferi sepe 
foliosi. Flores solitarii v. corymbosi, albi v. straminei. Calycistubus subelongatus. Jaeq. F7. Austr. 
