304 



CONVOLVULACE^E. XXXIV. CUSCUTA. 



Hop-formed Dodder. PI. parasitical, 



4 C. MONOGYNA (Valil, symb. 2. p. 32.) flowers pedunculate, 

 monogynous ; throat of corolla naked ; styles combined ; stigma 

 globose. 0. H. Native of the Levant, on Tamarix G allied ; 

 and between Smyrna and Bursa ; and of Caucasus. Sibth et 

 Smith, fl. grsec. t. 257. Bieb. fl. taur. 1. p. 116. Tourn. cor. 

 45. Buxb. cent. 1. p. 15. t. 23. Habit of C. Americana, but 

 twice the size in all its parts. Stem warted. Flowers clustered, 

 forming lateral and terminal interrupted racemes. Calyx shining 

 red ; segments ovate. Corolla urceolate, pale red ; segments of 

 the limb obtuse, spreading. Cells of capsule 2-seeded. 



Monogynous Dodder. PI. parasitical. 



2. Species natives of New Holland. 



5 C. AUSTRA'LIS (R. Br. prod. p. 491.) digynous ; stigmas 

 capitate ; epipetalous scales lacerately fringed, ending beneath 

 the filaments, which are broadly subulate ; calyx smooth, deeply 

 5-cleft : segments keeled, rather wrinkled. Q. G. Native of 

 New Holland, within the tropic ; and New South Wales. 



Southern Dodder. Fl. July, Oct. Clt. 1818. PI. parasi- 

 tical. 



6 C. CARINA'TA (R. Br. prod. p. 491.) digynous ; stigmas 

 capitate ; epipetal scales lacerately fringed, exceeding the bases 

 of the subulately filiform filaments ; calyx 5-cleft, with keeled, 

 rather wrinkled segments. O. G. Native of New Holland, 

 within the tropic. Grammica aphylla, Lour. coch. 171. Stems 

 white. Corolla campanulate, 5-cleft. Berry white ; cells 2- 

 seeded. 



Keeled-calyaed Dodder. PI. parasitical. 



3. Species natives of America. 



7 C. CORYMBOSA (Ruiz, et Pav. fl. per. 1. p. 69. t. 115. f. b.) 

 corymbs pedunculate; corollas urceolate, quadrifid, tetrandrous, 

 with a naked throat; stamens inclosed; stigmas capitate. Q. 

 G. Native of Peru, in cultivated fields ; particularly on Medi- 

 cago satlva. Scales on the branches acute, concave. Sepals 

 oblong, obtuse, white. Corollas white. 



Corymbose-fiowered Dodder. PI. parasitical. 



8 C. ODORA'TA (Ruiz, et Pav. fl. per. 1. p. 6!). t. 105. f. a.) 

 flowers crowded, sessile ; corollas campanulate ; scales at the 

 base of the filaments ovate, fringed, or ciliated ; stigmas capi- 

 tate. Q. G. Native of Peru, in corn-fields near Lima. Stems 

 marked with purple lines and spots. Scales of the branches 

 small, ovate. Flowers sweet-scented, propped by concave 

 scales. Calyx white, dotted with red ; segments roundish, ob- 

 tuse. Corollas white ; segments ovate, acute, reflexed ; there- 

 fore the stamens are exserted. This species is called Cabellos 

 de Angel in Peru. 



Sweet-scented-flowered Dodder. PL parasitical. 



9 C. UMBELLA'TA (H. B. et Kunth, nov. gen. amer. 3. p. 

 121.) umbels pedunculate, generally 8-flowered ; calycine seg- 

 ments acute ; corolla campanulate, with acute, reflexed seg- 

 ments ; scales at the base of the filaments lacerately fringed ; 

 stigmas capitate ; genitals exserted. Q. G. Native of New 

 Spain, between Queretaro and Salamanca. Flowers pedicellate, 

 pentandrous, digynous, white. 



Umbellate-fiowered Dodder. PL parasitical. 



10 C. OBTUSIFLORA (H. B. et Kunth, 1. c. p. 122.) heaps of 

 flowers sessile ; calycine segments obtuse ; corolla campanulate, 

 with obtuse segments ; scales at the base of the filaments lace- 

 rately fringed ; stigmas capitate ; genitals hardly inclosed. Q, 

 G. Native of Peru, on the Andes. Said by Torrey to be 

 very abundant about the sources of the Canadian river, para- 

 sitical on Port. Oleracea. Plant orange-coloured. Flowers on 

 short pedicels, pentandrous, digynous, white. Cells of capsule 

 1 -2-seeded. 



Blunt-flowered Dodder. PL parasitical. 



11C. GRAVE'OLENS (H. B. et Kunth, 1. c.) heaps of flowers 

 sessile ; calycine segments obtuse ; corollas globose, with obtuse, 

 spreading segments ; epipetalous scales fringed ; genitals ex- 

 serted ; stigmas capitate. Q. G. Native of the Spanish Main, 

 near Cumana, in meadows, where it is called by the natives 

 Hilo de Oro. Flowers on short pedicels, pentandrous, digy- 

 nous. Plant strong-scented. 



Strong- scented Dodder. PL parasitical. 



12 C. FOJ'TIDA (H. B. et Kunth, 1. c.) heaps of flowers ses- 

 sile ; calycine segments acuminated ; corolla nearly globose, 

 with acute, reflexed segments ; epipetalous scales ciliated ; geni- 

 tals exserted ; stigmas capitate. Q. G. Native of Quito, near 

 Chillo. Plant parasitical on Herberts and Barnadesia, orange- 

 coloured. Flowers foetid, pentandrous, digynous, white. 



Fetid-fiowered Dodder. PL parasitical. 



13 C. FLORIBU'NDA (H. B. et Kunth, 1. c. p. 123.) corymbs 

 pedunculate ; calycine segments obtuse ; corolla globose, twice 

 higher than the calyx, with acute, reflexed segments ; epipetal- 

 ous scales ciliated ; genitals much exserted ; stigmas capitate. 

 O- G. Native of New Spain, in hot places near Pont Istla. 

 Plant parasitical on Bignbnia viminalis, orange-coloured. Flow- 

 ers pedicellate, white, pentandrous, digynous. Cells of capsule 

 1-2-seeded. 



Bundle-flowered Dodder. PL parasitical. 



14 C. POFAYE'NSIS (H. B. et Kunth, 1. c.) corymbs peduncu- 

 late ; calycine segments obtuse ; corolla globose, a little higher 

 than the calyx, with acute, erect segments ; epipetalous scales 

 ciliated; genitals exserted; stigmas capitate. O- G. Native 

 near Popayan, in temperate places. Plant yellow. Corymbs 

 trichotomous. Flowers white, pentandrous, digynous, pedicel- 

 late. Cells of capsule 1-2-seeded. Said to be allied to C. 

 corymbbsa, Ruiz, et Pav. 



Popayan Dodder. PL parasitical. 



15 C. GRANDIFLORA (H. B. FIG. 32. 



et Kunth, 1. c. t. 213.) pedun- 

 cles usually 3-flowered, a little 

 crowded ; calycine segments ob- 

 tuse ; corollas rotately-campa- 

 nulate, with obtuse segments ; 

 epipetalous scales wanting ; ge- 

 nitals inclosed; stigmas capitate. 

 Q.G. Native near Santa Fe de 

 Bogota. Plant parasitical on 

 Spermacoce. Peduncles 2-3- 

 flowered, solitary, or in fasci- 

 cles. Flowers pedicellate, pen- 

 tandrous, digynous. Cells of 

 capsule 2-seeded. 



Great-flowered Dodder. PL 

 parasitical. 



16 C. CHILE'NSIS (Ker. hot. reg. t. 603. 



Beech, voy. pt. bot. p. 35.) pentandrous, digynous; calycine 

 segments ovate, rounded, 3 times shorter than the corolla ; epi- 

 petalous scales lacerately fringed ; segments of corolla ovate, 3 

 times shorter than the tube, reflexed ; anthers sessile ; one of 

 the styles shorter than the other ; stigmas piliately capitate. 

 If. G. Native of Chili, about Conception, Valparaiso, and 

 Andes of Chili. 



Chili Dodder. FL Jan. Dec. Clt. 1821. Plant parasi- 

 tical. 



17 C. AMERICA'NA (Lin. spec. 180.) flowers pedunculate, 

 umbellate, pentandrous, quinquefid ; corolla tubular; limb small, 

 spreading; stigmas capitate; epipetalous scales fringed. O- 

 H. Native of Jamaica, St. Thomas, Surinam, Virginia; para- 

 sitic in hedges, and on other plants, in moist situations. The 



Hook, et Arn. in 



