CEREUS. 



CACTEAE. 335 



arcolis subremolis, tomento brevissimo albido; aculeis rectis crassiusculis flaves- 

 centib. vel albis, centralib. 3, cxteriorib. 7-8, supremo brevissimo vel nullo. — 

 Crescit ? 



99. C. BONPLANDII Parm. mss. ex PfeifT. 1. c. 108. — Erectus subarticulatus 4-5- 

 angularis, glauccscens: coslis subrectangularib.; cristis obtusis undulatis; areolis 

 subremolis; acuieis rigidis eburneis, basi crassiore et apice nigricantib., e to— 

 mento brevissimo griseo, cenlrali 1, exteriorib. 5-6, superiorib. 2 majorib., 3-4 

 infimis brevissimis, tenuissimis. — Crescit in Brasilia. 



100. C. RAMOSUS Karw. mss. ex PfciCf. I. c. — Suberectus subarticulatus: articulis 

 diversiformibus 3 — 5 -angularib. pcrviridib.; sinubus pianis; costis compressis; 

 areolis non prominentib., vix tomcntosis; aculeis albis, inferiorib. 5-C brevib., 

 centralib. 3-4 subulatis vix longioribus. — Crescit in Mexico. 



101. C. BAXAMENSIS Karw. mss. cx Pfciff. I. c. 109. — Suberectus subarliculatus 

 ramosus perviridis, 5- angularis: sinubus latis; coslis compressis, vix repandis; 

 areolis approximalis albis minutis; aculeis exteriorib. 0-8 gracilib. albis, centra- 

 lib. 4 fusccscentib. longiorib., omnib. rigidis. — Cereoramoso forsan nimisaffinis! 



— Crescit ? 



102. C, PEMAGOUS Haw. Syn. p. 180. - Pfeiff. I. c. 109. f — Cacttis penlagonus 

 Vcll. Flora Flumin. Y. t. 23? — Suberectus articulatus ramosissimus: ramis 3-5- 

 (rarius 6-7-)gonis; sinubus latis; costis subcompressis, mox obsolelis, subrepan- 

 dis; areolis albo - tomenlosis magis minusve remotis; aculeis in ramis robustio- 

 rib. rigidis, nascentib. nigricantib., mox albidis, radiantib. 5, centrali 1, in ramis 

 gracilib. radiantib. 6 — 7, centrali 1, omnib. brunneis, setiformib. — Cact. penta- 

 gonus L. — Cact. prismalicus et reptans 'W. — Cer. reptans et prismaticus Haw. 

 Suppl. p. 77. — Habitat in America calida. 



103. C. TENELLUS S. Dyck mss. ex Pfeiff. I. c. 109. — Subereclus articulalus 4-5- 

 gonus, tenuis: sinubus planis; coslis subcompressis; areolis subconferlis nudis; 

 aculeis setiformib. brunneis brevibus 3-4 divaricatis, supj-emis adpressis. — Ccr. 

 candelabrius Hort. — Crescit in Brasilia. 



§. 6. Repentes. Caule subarticulato ; ramis longis repentihus diffusis cos- 

 tatis vel subtuberculatis, radiculas laterales proferentibus. 

 * Multangulares. 



104. C. MARTIANUS Zucc. mss. ex Pfciff. I. c. 110. t — Suberectus ramosus 8-an- 

 gularis: sinubus laliusculis; costis vix prominenlib.; areolis approximatis in cri— 

 stae tubcrculis posilis; aculeis exteriorib. 6-8 seliformib. albidis (nascenlibus 

 rubris) radiantib., centralib. 2-3 fuscis, vix majoribus. — Crescit in Mexico (Sul- 

 tepec Zimapan). 



105. C. FLAGELLIFORMIS Mill. Dict. ed. 8 n. 12. — Haw. Syn. p. 185. — Pfeitf. 

 1. c. 110. t — Tussac, Flore des Antilles II. 106. t t. 28! — Repens gracilis ramo— 



. sissimus: ramis teretibus, 10-12 tuberculorum seriebus inslruclis; areolis vix 

 tomenlosis; aculeis brevibus rigidiusculis, 8-12 stellatis fuscidulis, cenlralib. 3-4 

 brunneis, apice aureis, paullo majoribus. — Cact. flagelliformis Linn. — DC. Pl. 

 gr. t. 127. — Bot. Mag. t. 17. — Trew, Ehret. t. 30. — /?. minor S. Dyck. — Caule 

 ramisque dimidio gracilioribus. — In America calida (et in Arabia deserta?). 



106. C. S.MITHII H. Angl. ex Pfciff. 1. c. 111. t — Subcrectus ramosus 6-anguIaris 

 viridis: ramis juniorib. purpureis; sinubus lalis angulatis; coslis verticalib. re— 

 pandis; areolis subremotis convexis; aculeis e tomenlo brcvissimo albido, cen— 

 tralib. 5-6 divergentib. rigidis fuscescentib. , exteriorib. selaceis flavis deorsum 

 speclanlibus. — Cer. crimson creeping Bot. Reg. t. 1565. — Cer. Mallisoni Hort. 



— Crescit ? 



107. C. FLAGRJFORMIS Zucc. mss. ex Pfeiff. 1. c. — Pfeiff. et Otto, Abbildng. u. 

 Bescbreibng. bliihend. Cact. t. 15! t ~ Repens ramosissimus: ramis 11-anguIarib. 

 viridib.; sinubus obsoletis; costis obtusis tuberculatis; areolis subconferlis; acu- 

 leis exteriorib. 6-8 radiantib. gracilib. corneis, centralib. 4-5 breviorib., rigi- 

 diorib., brunneis. — Crescit in Mexico. (St. Jose d'Oro.). 



