696 FLORA. 



2. MONOTROPSIS Schwein. [SCHWEINITZIA Nutt.] 



Scape slender; plant glabrous. Sepals 5, oblong to linear. Corolla oblong, 

 campanulate, persistent, 5-saccate at the base, 5-lobed, the lobes not reflexe,d. 

 Stamens 10, included; filaments glabrous; anthers horizontal in the bud, introrse, 

 the sacs confluent, opening by large terminal pores. Disk lO-crenate. Ovary glo- 

 bose, 5 -celled; sty le short, thick ; stigma 5-angled. Capsule ovoid, 5 -celled. Seeds 

 numerous. [Greek, resembling Monotropa.] Two species, of southeastern N. Am. 

 i. Monotropsis odorata Ell. SWEET PINE-SAP. CAROLINA BEECH-DROPS. 

 (I. F. f. 2738.) Plant light purplish brown; scapes usually several, 5-10 cm. high. 

 Scales ovate-oblong, obtuse, appressed, 4-8 mm. long; flowers few, pink, spicate, 

 fragrant, 2-bracteolate at the base, spreading or erect, the spike at first recurved, 

 becoming erect, 2.5-5 cm< l n g, sepals mostly oblong-lanceolate, acute, about a" 

 long as the corolla and the bractlets. In woods, Md. to N. Car. Feb. -May. 



3. MONOTROPA L. 



Scapose succulent white yellowish or red herbs, with a solitary nodding flower, 

 the capsule becoming erect. Sepals 2-4, deciduous. Petals 5 or 6, not saccate at 

 the base, tardily deciduous. Stamens 10-12; filaments subulate-filiform; anthers 

 short, peltate, horizontal, opening at first by 2 transverse chinks, becoming trans- 

 versely 2-valved. Disk 10 12-toothed, confluent with the base of the ovary. Ovary 

 5-celled; style short, thick; stigma funnelform, its margin obscurely crenate. Cap- 

 sule 5-celled, 5-valved, many-seeded. Seeds minute, the testa produced at each 

 end. [Greek, once-turned. J Two species, of N. Am., Mex., Colombia and Asia. 



i. Monotropa uniflora L. INDIAN PIPE. (I. F. f. 2739.) Scapes white, 

 glabrous, usually clustered, 1-2.5 dm. high from a mass of brittle roots, turning 

 dark in drying. Flower inodorous, nodding, oblong-campanulate, 12-25 mm. 

 long; petals 4-6, puberulent within, white, rather longer than the usually 10 

 stamens; filaments pubescent; ovary ovoid, acute, narrowed into the short style; 

 capsule obtusely angled, 10-16 mm. high, 8-10 mm. in diameter. In moist rich 

 woods. Anticosti to Fla., Br. Col. and Cal. Also in Japan and the Himalayas. 

 Whole plant occasionally pink or red. June-Aug. 



4. HYPOPITYS Hill. 



Scapes pubescent, at least above, bearing white yellowish or red flowers in a 

 nodding one-sided raceme which soon becomes erect. Roots a mass of fleshy fibres. 

 Terminal flower usually 5 -parted, the lateral ones 3~4-parted. Sepals commonly 

 as many as the petals. Petals saccate at the base. Stamens 6-10; filaments subu- 

 late-filiform; anther-sacs becoming confluent, opening by 2 unequal valves, the 

 larger one spreading or reflexed, the smaller erect. Disk 8-io-toothed. Ovary 3-5- 

 celled; stigma funnelform, its margin glandular-ciliate. Capsule 3-5 -celled, 3-5- 

 valved, erect. [Greek, referring to its growth under firs.] 



1. Hypopitys Americana (DC.) Small. PINE-SAP. Plants tawny or deep 

 pink, 1-3 dm. tall, finely pubescent ; scales crowded at the base of the stem, scat- 

 tered above; sepals spatulate to oblanceolate, short-ciliate; petals sparingly pubes. 

 cent and short-ciliate; stigma not bearded, capsule 7-10 mm. long. Woods, 

 Newf. to Ont. and N. C. July-Sept. 



2. Hypopitys lanuginosa (Michx.) Nutt. WOOLLY PINE-SAP. Similar to 

 H. Americana, but the sepals and petals long-ciliate, the style very pubescent and 

 the stigma retrorsely bearded; capsule 4-5 mm. long. Woods, N. S. to Fla , Br. 

 Col., Tenn. and Ind. June-Aug. 



Family 4. ERICACEAE DC. 



Heath Family. 



Shrubs, perennial herbs, or trees, with simple estipulate leaves, and 

 mostly perfect flowers. Calyx free from the ovary, 4~5-parted or 4-5- 

 cleft, mostly persistent. Corolla regular, or rarely somewhat 2-lipped, 

 usually 4~5-toothed, -lobed or -parted. Stamens hypogynous, usually as 

 many or twice as many as the corolla-lobes, teeth or petals; anthers 

 2-celled, attached ** the filaments by the back or base, the sacs often 



