270 PYROLACEAE. 



acute to truncate; pistillate aments 3-8 cm. long, the bracts acute or acu- 

 minate; fruit globose, sessile, densely tomentose, 6-9 mm. in diameter. 



Douglas reports this shrub " plentiful on the shore, in rocky situations, on 

 the south side of the Columbia, near its confluence with the sea." No recent 

 specimens seem to have been collected north of the Rogue River. 



Family 74. PYROLACEAE. PYROLA FAMILY. 



Perennial green herbs or chlorophyll-less and leafless root- 

 parasites or saprophytes; flowers solitary, racemose or corym- 

 bose, often on a scape, perfect, nearly regular; calyx 2-6-lobed 

 or parted, free from the ovary; corolla gamopetalous and 5- 

 toothed or of 5 separate petals; stamens 10, with one- or two- 

 horned anthers; ovary superior, 4- or 5-celled; style short or 

 slender, often declined; capsule globose, 4- or 5-lobed, loculicidally 

 4- or 5-valved. 



Ovary 1 -celled. 



Petals united; sepals 2 or 4, entire. 365. NEWBERRYA, 270. 



Petals distinct; sepals 4 or 5. 



Sepals and petals fimbriate; anthers long. 366. PLEURICOSPORA, 271. 

 Sepals and petals entire; anthers short. 367. PITYOPUS, 271. 



Ovary 4- or 5-celled. 



Petals none; flowers in a spike. 368. ALLOTROPA, 271. 



Petals present; flowers solitary or in racemes or 



corymbs. 



Petals united almost to the tips. 369. PTEROSPORA, 272. 



Petals free almost or quite to the base. 



White, tawny or red (sometimes turning 

 black on drying) chlorophyll-less 

 parasites or saprophytes. 



Flowers solitary. 370. MONOTROPA, 272. 



Flowers in a 1-sided raceme. 371. HYPOPITYS, 272. 



Green chlorophyll-bearing herbs. 



Flowers solitary. 372. MONESES, 273. 



Flowers in racemes or corymbs. 



Inflorescence a corymb; style 



short. 373. CHIMAPHILA, 273. 



Inflorescence a raceme; style 

 mostly long. 374. PYROLA, 274. 



365. NEWBERRYA. 



Stout simple stemmed fleshy white herbs without chlorophyll 

 and with flowers in a dense spike; leaves scale-like; calyx of 2, 

 rarely 3 or 4 sepals; corolla tubular-urceolate, 4-5-lobed; stamens 

 normally 8 or 10, sometimes fewer; filaments pubescent above 

 the middle with long hairs; disk of short and deflexed glands alter- 

 nating with the stamens; ovary ovate; style long; stigma de- 

 pressed-capitate; placentae of 4-8 broad lamellae bearing ovules 

 on both surfaces. 



