630 ORCHIDACE^E PKRAMIUM 



LISTEKA 



slender, 6-18 inches high, leafy below, bracteate above: leaves oblong- 

 lanceolate to lanceolate, 2-4 inches long, acute : spike dense, rather slender, 

 1-3 inches long : bracts acuminate from|an ovate or oblong base, not sur- 

 passing the flowers : perianthj^about 3 lines long; sepals and petals all 

 connivent, linear: lip slightly recurved, not exceeding the sepals, callosities 

 at the base very prominent and nipple-like, pointing downward. In wet 

 places in the Coast Mountains^of southern Oregon to California. 



5 PERAMIUM Salisb. Trans. Hort. Soc. i, 310. (1812.) 

 GOODYERA R. Br. 1. c. (1813.) 



Herbs with bracted erect scapes from creeping rootstocks with 

 fleshy-fibrous rootlets, all radical, often blotched with white, 

 thick evergreen leaves and small flowers in terminal spikes. 

 Lateral sepals free, the upper one united with the petals into a 

 galea. Lip sessile, entire, roundish-ovate, concave or saccate, 

 without callosities, its apex reflexed. Anther without a lid, erect 

 or incumbent, attached to the column by a short stalk. Pollen- 

 masses 2, attached to a small disk which coheres with the top of 

 the stigma. 



P. Menziesii Morong Mem. Torr. Bot. Club, v, 124. Goodyera Men- 

 ziesii Lindl. Scapes and inflorescence pubescent, 6-15 inches high : 

 leaves smooth, dark green blotched with white, ovate-oblong to lanceolate, 

 acute, 2-3 inches long, narrowed into a short petiole usually somewhat 

 reticulated with light greenish markings: spikes many-flowered, rather 

 dense, somewhat secund: bracts ovate-lanceolate, equalling the ovary : 

 perianth dull white, pubescent, 2-4 lines long : lip strongly concave and 

 erect, narrowing above into the slightly spreading summit: column short 

 and straight: anther acuminate: gland and bifid beak very narrow and 

 elongated : capsule ovate-oblong, very nearly sessile, 4 lines long. In open 

 forests, California to Alaska and Canada. 



6 LISTERA R. Br, Ait. Hort. Kew. ed 2, 201. 



Small Jierbs with fleshy-fibrous roots, simple stems with a pair 

 of flat leaves near the middle and small flowers in a terminal ra- 

 ceme. Sepals and petals similar: lip free, longer than the sepals, 

 flat and dilated, more or less deeply bifid: column free and naked, 

 bearing the ovate anther at the back of the summit. Pollen- 

 masses 2, powdery, united to a very minute gland upon the 

 rounded and entire beak of the stigma. 



L. cordata R. Br. 1. c. Stem very slender 2-10 inches high : leaves 

 broadly ovate 6-12 lines broad, truncate or somewhat cordate at base but 

 abruptly contracted at the point of insertion, mucronate: racemes rather 

 loose, 6-20 lines long, 4-20-flowered : bracts 3-^ line long: flowers purplish 

 or yellowish : sepals broadly ovate, about a line long : petals broadly oblong : 

 lip narrow, often with a subulate tooth on each side at the base, fully twice 

 as long as the petals, cleft to near the middle, the segments setaceous and 

 ciliolate : column very short ; capsule ovoid, 2 lines long. In damp places 

 in forests, California to Alaska aud across the Continent. 



L. convallarioides Torr7Comp. 326. Stem slender, 4-10 inches high, 

 glandular-pubescent above the leaves, rarely with a bract below the ra- 

 ceme: leaves smooth, round-oval or ovate, obtuse or cuspidate, slightly 

 cordate or reniform at base, 3-9-nerved : raceme 1-3 inches long, loosely 

 3-12-flowered : flowers greenish-yellow, , 3-4 lines long : sepals and petals 



