ALLOTROPA MONOTROPACEZ 427 
PTEROSPORA 
tobed, 1-6-celled; with the placentz projecting from a central 
columella, or parietal and 2-lamellate: ovules numerous, anatro- 
ous. Fruit a loculicidally 4-6-valved many-seeded capsule. 
eeds minute, the testa reticulated. 
TRIBE 1. Ovary 4—5-celled, with the placentz on a thick central 
columella. : | 
1 Allotropa’ Calyx of 5 roundish marcescent sepals, corolla wanting. 
2 Pterospora Calyx deeply 5-parted: corolla globular-urceolate. 
3 Sarcodes Calyx of 5 erect persistent sepals: corolla cylindraceous- 
campanulate. 
4 Monotropa Calyx of 2-4 deciduous sepals: petals 5-6, not saccate at 
base, tardily deciduous. 
5 Eryn Sepals 3-5, commonly as many as petals: petals saccate 
at base. : 
TRIBE I. Ovary 1-celled or spuriously 4—5-celled ; the 4 or 5 
placente parietal and 2-lamellate. 
6 Pleuricospora Calyx complete, of 4 or 5 scale-like fimbriate-laciniate 
sepals: corolla of 4 or 5 plain petals: ovary strictly 1-celled. 
6 Newberrya Calyx incomplete, of 2 bract-like entire sepals: corolla 
tubular-urceolate 4-5-lobed, marcescent: ovary spuriously 5-celled. 
Tribe I Eumonotropex Gray Syn. Fl. it, 18. Ovary 5-celled, or so- 
metimes 4-celled, the placentzx projecting from a thick central columella. 
1 ALLOTROPA T. & G. Bot. Wilkes 385. 
Scapose red or whitish scaly-bracted herbs with numerous small 
flowers in a virgate spike. Calyx of 5 rounded sepals, marces- 
cent under the capsule. Corolla none. Stamens 10:. anthers 
didymous on long and slender filaments, extrorse in the bud, be- 
coming introrsely pendulous; cells opening by a chink from the 
apparent apex to. the middle. Style short ; stigma peltate-capitate. 
Capsule globose, very many-seeded. Seeds minute, scobiform, 
the loose coat produced at both ends’ A single known species. 
A. virgata T. & G. |. c. Stems several from a deep-seated perennial 
rootstock, 6-12 inches high or more, deep red or yellowish, thick and den- 
sely scaly at base, more sparingly scaly above; lower scales ovate, acumin- 
ate, the upper lanceolate passing into the linear bracts of the virgate 
many-flowered spike: pedicels erect or spreading, 2-bracteolate: calyx 
erosely dentate, shorter than the filaments. On dry wooded ridges of the 
Cascade Mountains, Washington to California. 
PTEROSPORA Nutt. Gen. i, 269. 
Tall scapose scaly-bracted plants with red or yellowish flowers 
ina long raceme. Calyx deeply 5 parted, persistent. Corolla 
gamopetalous,. globular-urceolate, with 5 short recurved lobes, 
persistent. stamens 10, not exserted : filaments subulate-filiform: 
anthers ovate-didymous, introrse, erect or in the bud horizontal- 
inflexed, attached near the base, there dorsally 2-awned, the 
