29G XLVII. SAXII^EAGACE^E [Ik'tiMa 



Obder XLVIT. SAXIFRAGACEiE. Gen. PL i. 029. 



Trees, slirtibs or herbs, fl. regiilarj generally bisexual. Calyx free or adnate 

 to ovary. Stamens free, as many as petals or double their number, rarely more. 

 Oai'pels 2 or more, usually connate into a 1- or 2-celled ovary, ovules numerous, 

 placenta on the edge of carpels, parietal or on the dissepiment. Seeds small, 

 embryo minute, in copious fleshy or horny albumen. 



A. Leaves opjjosito. 



Pilaments ^\inged, btaiueiis 10 1. Deitzia. 



J'ilaiuents linear or teiibulate. 



Stamenb 2-40 pHiLADELi'uub (p.296). 



Stamenb 8-12. 



Petals falling off ab a cap, btyle one, short 

 Petals sometimes falling off as a cap, styles 2~4, 

 calyx-segments of bterile il. enlarged in fr. 

 Petals free, herry inferior, blue. 

 Stamens 4, fr. fleshy l-beeded 



PlLEOhTE(aA (p. 296). 



2. Hydhangea. 



3. Bkhiioa 



4. pota'osma 



B. Leaves alternate. 



Ovary nearly free, of 2 carpels, cajjsule 2-valved . 5. Itea. 



OvarV nearly free; of 3 carpels, capfexile B-valved . Potti:ngeria (p. 209). 



Ovary inferior, fr. a herry (i ."Riues. 



1. DEUTZIA, Thunb. ; PL Brit. Ind. ii. 406. 



Shrubs, 1. and branches opposite, hairs stellate. Leaves serrate, stipules 0. 

 FL white, corymbose, pentamerous, stamens 10, filaments broadly winged. Ovary 

 inferior, 3~5-celled, ovules oo on 3-5 axile placentas in the inner angle of the 

 cells, styles 3-5, filifonn. Capsule septicidally dehiscent, separating into 3-5 

 distinct cocci. Species 10. Himalaya, China, Japan, North.- and hills of 

 Central- America. 



1. D. corsntnbosa, Eob, Brown; Boyle 111. t. 46 (Bhtijhi, Fhilrii, Bash.). Himalaya 

 6-10,000 ft., Kashmir to Bhutan. Tihet. A shrub attaining 8 ft., hark peeling off in 

 long thin shining rolls, leaves green beneath. Calyx-teeth ovate, shorter, when in fl., 

 than tube, i^etals broad, obovate, nearly glabroxib, imbricate, J in. long. 2. B. staminea, 

 Bob. Brown in Wall. PI. As. IBar. t. 191; CoUett Simla Flora, fig. 52 {Deosu, Bash.). 

 Himalaya 4-9,000 ft., Hazara to Bhutan. Naga hills and Maniptir (D. intermedia^ 

 "Watt MSS.). Usually smaller than 1, bark dark grey, peeling off in thin longitudinal 

 strips,branchlets,inflorescence and leaves rough with harsh stellate hairs. Calj'-x-teetli 

 triangular, oblong or linear, when in fl. as long as tube, petals oblong, induplicate- 

 valvate, J in. long. B. B. macrautlia, Plook. f. & Thorns. Below Binsar in Kumaon, 

 5j500 ft., 1. distantly serrate, calyx-teeth linear, longer than tube while in fl., petals 

 lanceolate, | in. long, induplicate-valvate in bud. 



PlLiladelplius coronarius^ Linn. Himalaya, Kashmir to Bhutan, 5-9,000 ft. (Daspa^ Bash .). 

 A shrub, bark Hglit grey, fl. white, fragrant, usually tetramerous, axillary or in small 

 cymes at the ends of branclilets. Petals convolute in bud, J in. long, stamens 20-40, 

 filaments subulate, ovary 4-celled, ovules oo on 4 placentas protruding into the cell from 

 the inner angle. Oapsu.le dehiscing loculieidally. 



Pileostegia viMrnoides, Hook, f . & Thorns. ; Khasi hills. China. A glabrous shrub, 

 branches decussate, 1. coriaceous evergreen, entire. PI. small, white, in large terminal 

 panicles, petals 4 or 5, falling off as a cap, ovary inferior, 4~6-celled, ovules od. Styles 

 short, surmounted by a thicker pyramid, the 4-6 angles of which are stigmatic. 

 Capsule 4-5-celled. 



2. HYDRANGEA, Linn. ; PL Brit. Ind. ii. 403. 



Shrubs or trees, often climbing, 1. opposite, stipules 0. Fl. in terminal 

 corymbs, bracts deciduous, the outer fl. often sterile and larger than the fertile 

 inner fl. Calyx-tube adnate to ovary, limb 4r-5-dentate, petals valvate, stamens 



