202 SAXlFUAGACEylO. J'anut.ssin. 



A genus of about a dozen s])ecie.s, of tliu norlhfiu temperate and frigid regions, one .s[)e(ie.s 

 extending round the world, and two peeuliar to tlio Atlantic United States. 



1. P. palustris, l-iim. Lnnviw IVom ovuto to Hliglilly liunluUs u'l i'"!l» <'»" !'!«« 

 in lon^'tli ; .s(;i|n) ii spiiii to a font liijih : iictiils oval or ol)ovut('., naked and without 

 a claw, liulC an intli or jc^s.s in li'n,i;tli, tlio veins Hi)avingly Itrancliing : hiiHtlc liko 

 lilanionts of tlie appunda-^cs 8 to 20 in oacli set. 



Var. Californica, tJiay. Larger : leaves one or two inches long and 50:4)6 a 

 foot or two high, often leafless : petals very broad, full half an inch long, more 

 veiny, and the veins more numerous and freely branching : bristles of each ajjpen- 

 dage about 21: anil almust capillary. 



Wet places in the Sierra Nevada, kc, from Mariposa Co. northward, and on lied Mmuilain, 

 Mendoeiiio Co. {KclUnj<j, lUilnudcr), eliietiy the var. (\il ifornica. Tlie species extends fur north- 

 ward and round the world along tiic noithern border of the temperate zone. 



2. P. fimbriata, l>anks. Leaves from reniform to cordate-ovate, an inch or 

 more in iliameter : scape slen<ler, about a fuut high : petals obovate or oblong (i ur 

 6 lines long), with a narrowed base or short claw, the margins fringed below the 

 middle or towards the base : tilaments of the appendages 5 to 9 in each cluster and 

 united below into a fleshy earinate scale, or sometimes a dilated scale destitute of 

 bristle-like iilaments. — llook. Eot. Misc. i. 43, t. 23. 



Near Shiusta Mountain, with Darlinglonia, Brcaxr. Also mountains of Nevada and Colorado, 

 and northward to British CoUunbia. Varies in the form of the leave.s, form and size of the 

 petals, in the amoiuil of fringe, antl greatly in the stamen-appendages. 



10. PHILADELPHUS, Linn. Syuinga. Mock Orange. 



Calyx with turbinate tube adnate to the ovary nearly or quite to its summit ; the 

 limb 4 - 5-^parted, A'alvate in the bud, persistent. Petals 4 or 5, large, obovate or 

 roundish, convolute in the bud. Stamens 20 to 40 : Iilaments subulate or liliform. 

 Styles 3 to 5, united at base or sometimes almost to the top : stigmas oblong or 

 thicki.sh, introrse, sometimes connate. Cai)sule inferior, 3 - 5-celled, loculicidally 

 3-r)-vulved fnun the ape.\, and the valves in ago commonly 2-parted. St;eds vtu-y 

 numerous on placenta; i)rojecting from the axis, mostly pendulous, oblong, with a 

 thin and loose reticulated coat, usually prolonged at both ends or fimbriate at the 

 hilura. — Shrubs ; with opposite and entire or toothed ovate or oblong leaves, more 

 or less petioled, deciduous, and without stipules ; the flowers large and showy, some- 

 times odorous, thyrsoid- or paniculate-cymose, or occasionally solitary in the axils, 

 ■white or i-arely cream-culor. 



A genus of a dozen or more ill-defined speeies, probably reducible to five or six, natives of both 

 sides of temperate North America, Japan, and the Himalayas, two or three of them much planted 

 for ornament. 



1. P. Lewisii, Pursh. Shrub 3 to 5 feet high, spreading, glabrous or almost so : 

 leaves all entire or nearly so, from ovate to ovate-lanceolate, an inch or two long : 

 flowers in a narrow thyrsus, short-petlicelled : calyx-lobes rarely twice i\\v, liuigth of 

 the tube : petals obovate or oblong, half an in<;h or rather nu»re in length : styles 

 distinct at^ the ajicx : stigmas nnrrow. — Torr. iV' (Iray, I'l. i. 595. 



Var. Californicus, (!ruy : a i'urm with the ll(»\vcr.s more numerous in a mainly 

 leafless and pedunculate terminal cluster. — /'. Callforiiicus, Benth. PI. Hartw. 

 309. r. Leivlsii, var. parvifolius, Torr. in Pacif Ii. Pep. iv. 90. 



Foot-hills of the Sierra Nevada, along streams, from Mariposa Co. to the Upper Sacramento ; 

 chiefly the naked-flowered variety. The species extends through Oregon and Idalio to Briti.sh 

 Columbia. 



2. P. Gordonianus, Lindl. Shrub (5 to 12 feet high, Avith spreading or re- 

 curved braiudies, aparscly pulicsccut lu- hairy, or almost gla'orous : leaves ovate or 



