HYPOPiTYS MONOTROPACEAE 429 



PLEUROCOSPORA 



4-6, puberulent within, 6-10 lines long: filaments pubescent. In damp 

 woods, throughout North America. Japan and India. 



5 HYPOPITYS Adans. Fam. PI. ii, 443. 



Low fleshy scaly-bracted plants with red or yellow flowers in 

 a loose terminal raceme. Sepals 3-5, nearly equal, erect, decidu- 

 ous. Petals 4-5, longer than the sepals, saccate at base, erect 

 with spre'ading tips, deciduous. Stamens 6-10 ; filaments filiform- 

 subulate ; anthers renif orm, the cells completely confluent into 

 one, which opens by very unequal valves, the larger broad and 

 spreading, the other remaining erect and contracted. Style col- 

 umnar: stigma funnelform, glandular or hairy on the margin. 

 Capsule ovoidj the columella thick and fleshy. Seeds very num- 

 erous, small, scobiform; the nucleus minute in the loose-cellular 

 coat. Only the following species known : 



H. lutea Dill. Monotropa Hypopitys L. Red, yellowish or white 

 stems 6-13 inches high: bracts ovate-lanceolate, entire or slightly erose, 

 densely imbricated at the base, scattered above : flowers 3-20, in a loose 

 drooping at length erect raceme, 5-7 lines long, the terminal one 5- 

 merous, the others usually 3-4-merous. In forests, Brit. Columbia to Cali- 

 fornia and the Eastern States. Europe and Asia. 



H. fimbriata. Monotropa fimbriata Gray. Stems 6-12 inches high, 

 red or yellowish, somewhat hairy: upper scales and bracts oboyate to 

 cuneate, erosely or laciniately fimbriate: lateral flowers often Srpetalous 

 and 6-androus : sepals spatulate, laciniate. In forests of the Cascade and 

 Coast Mountains of Oregon. 



Tribe 2 Pleuricosporeae Gray Syn. Fl. ii, 18. Ovary 2-celled 

 or spuriously ^-5-celled: the k or 5 placentae parietal and 2-lamel- 

 late. Disk none or obscure. Anthers linear or oblong, erect, in- 

 trorse, attached by the base to the long and slender filaments, 

 opening longitudinally. 



6 PLEURICOSPORA Gray Proc. Am. Acad, vii, 369. 



Low fleshy white or yellowish herbs with fimbriate scales and 

 petals, and white flowers in a short terminal raceme. Calyx 

 complete, of 4 or 5 scale-like sepals. Corolla of 4 or 5 plain pet- 

 als resembling the sepals. Stamens twice as many as petals : fila- 

 ments ligulate-filiform : anthers linear, apiculate, the cells opening 

 from base to apex into two equal valves. Ovary strictly one- 

 celled. Style columnar: stigma depressed-capitate, or somewhat 

 funnelform. Seeds ovate, with a smooth or polished coat. 



P. fimbriolata Gray 1. c. Stout and erect, 3-10 inches high, gla- 

 brous or nearly so, clothed with imbricated scales; lowest scales ovate, 

 firm, entire; upper passing into the narrower and lanceolate scarious mar- 

 gined and lacerate fringed bracts of the dense and erect cylindraceous 

 raceme: sepals and petals white, oblong or oblong-lanceolate fimbriate- 

 lacerate, not exceeding the bracts. In the Cascade and Coast Mountains 

 of Oregon and the Sierra JiTevadas of California. 



P. longipetala. Stem rather slender, 4-6 inches high : scales well 

 imbricated, lanceolate, more or less acuminate, laciniately toothed: flow- 



