231 



LYTHRACEAE: CUPHEA. 



232 



72. (104). C. geandiflora , foliis supra ecabris laevibusve, calyce intus 



infra stamina glabro, stylo glabro. 

 B. Folia nitida, utraque pagina glaberrima, rami glaberrimi vel hinc 

 puberuli. 



73. (105). C. aitnulata, calyce intus imo fundo pilis in annulum latius- 



culum dispositis obtecto. 



Series 3. Petala nulla; bracteae in hypsophylla com- 

 mutatae; calyx 17—24 mm. longus; stylus ovarii duplicem 

 triplicemve longitudinem aequans. 



74. (106). C. pulchra, foliis subcanescentibus, sessilibus, ovatis vel ob- 



longo-lanceolatis , brevissime acuminatis, basi rotundatis vel 

 Bubcordatis. 



Subs. 3. ERYTHROCALYX. 



Flores alterni; ovula 7—20; calycis calcarati lobi pilis 

 basi tanquam tuberculatis , apice haud glanduliferis longis den- 

 sissime ciliati; appendices lobis haud longiores, plerumque sub- 

 nullae; stamina episepala semper exserta; pedicelli 3 — 4 — 20 mm. 

 longi; stylus ovarii duplicem longitudinem aequans. (Species 

 omries mexicanae). 



Series 1. Petala manifesta; calycis intus supra stamina 

 villo8iusculi , infra eadem plerumque retrorsum hirsuti lobi 

 manifesti, sed breves; calcar longiusculum (interdum 6 mm.), 

 aubincurvatum ; herbae perennes foliis plus minus reticulato- 

 venosis, bracteis supremis minimis, rhizomate repente vel tube- 

 roso (an ob ictum insectorum?). 



(107). C heterophylla Bentb. (C. terna Peyritsch , „Moradilla" 

 Mexicanorum) , caulibus glabris vel pubescenti-scabris, foliis 

 plerumque ternis, subpetiolatis subsessilibusve, infimis orbicu- 

 laribus, supremis lanceolato-linearibus , basi acutis subcorda- 

 tisve , ecabris et hirtello-strigosis , raro birtis , racemis ob 

 ramulos 1 — 2-floros compositis, elongatis, calycibus 17 — 25 mm. 

 longis, parce puberulis vel subtomentosis , petalis 2 dorsali- 

 bus dimidio calyce sublongioribus, ceteris dimidia parte bre- 

 vioribus, ovario glabro; ovulis 7 — 11. 



(108). C. Jorullen8is H.B.K. , nee Lindl. (C. arvensis Benth., 

 C. montana Roezl ms. , Lythrum calcaratum in hb. Jacq., 

 forsan Cuphea tricolor fl. mex. ic. ined. in DC. Prodr.), cau- 

 libus compressis, pubescentibus et hispidulis, foliis plerumque 

 oppositis, subpetiolatis subsessilibusve, oblongis lanceolatisve, 

 raro ovutis, basi rotundatis vel cordatis, scabris, supra saepe 

 remote hispidulis, subtus strigoso-hirtellis , rarius utrinque 

 subtomentosis mollibus, racemis saepe compositis, basi tantum 

 foliosis, calycibus 19— 28 mm. longis, puberulis et glanduloso- 

 hirtellis, petalis omnibus 2 mm. longis, reflexis, ovario ple- 

 rumque retrorsum hirtello, rarius glabro, ovulis 10 — 18. 



Series 2. Petala nulla vel 6 minutissima, subulata, in- 

 fclusa; calyx intus glaberrimus, ore retusus, lobis nullis appen- 

 dicibus subrecurvis, plicaeformibus; calcar basi subcoarctatum, 

 orbiculare; stylus et ovarium semper glabra; suffrutices foliis 

 semper oppositis, haud reticulato-venosis , utrinque longe an- 

 gustatis acuminati8ve. 



A. Petala 6; inflorescontiae bracteis plerisque in hypsophylla commutatis 

 distinctae, compositao, in caule ramisque terminales; calyx 27—28 mm. 

 longus; prophylla ovata. 



(109). C. subuligera Koehne, ramis glabris, foliis breviter petio- 

 Iatis, oblongis vel lanceolato-oblongis , glaberrimis, bracteis 

 ciliutis, anguste linearibus, inflorescentiae axe hinc pubes- 

 cente saepeque parce hispidulo, pedicellis 3—7 mm. longis, 

 calyce subglabro, vix basi hispidulo, ovulis 8 — 11. 



B. Petala nulla; inflorescentia laxo, foliosa; calyx 17- 2G mm. longus; 

 prophylla lineari-subulata. 



(110). C. Liebmannii Koehno (an sequentis varietas?), caule 

 pedicellis calycibusque (17 mm. longis) patentim hispidulis hir- 



tellisve, foliis subadpresse hispidulis, ovulis 11 — 13, ceteris 

 characteribus ut in sequente. 

 (111). C. ignea DC. (C. platycentra Lem. , nee Benth.), ramis 

 glabris vel junioribus hinc puberulis , foliis lanceolatis ob- 

 longisve, glabris, margine scabriusculia , pedicellis 5—12 

 (—23) mm. longis, dorso puberulis, calycibus 20—26 mm. 

 longis, ovulis 14 — 20. 



Subs. 4. Polyspermism. 



Flores alterni; ovula circiter 60—120; calycis 20— 31 mm. 



longi ecalcarati lobi haud tub erculato- ciliati ; petala 6, quorum 



4 semper minutissima, subulata, inclusa; pedicelli 3 — 8— 11mm. 



longi; ovarium dorso infra stylum gibbum, cum stylo glabrum. 



Folia utrinque angustata vel acuta. (Species mexicanae). 



(112). C. micropetala H.B.K. (C. Jorullensis Lindl., nee H.B.K., 

 C. eminens Planch, et Lind. , C, strumosa fl. mex. in DC. 

 Prodr., C. apetala hort. mexic, C. ciliata Link ms.), caulibus 

 subcompressis , puberulo-scabriusculis , raro pubescentibus 

 simulque subhirsutis , foliis valde confertis , anguste lanceo- 

 latis linearibusve, raro oblongis, scabriusculis, raro hispidulis, 

 racemo folioso , pedicellis 3 — 8 mm., calycibus ut caulis 

 vestitis 20 — 31 mm. longis, appendicibus longe glanduloso- 

 ciliatis , petalis 2 dorsalibus spathulatis , inclusis , staminibus 

 longe exsertis, ovario manifesto gibbo. 

 (113). C. heteropetala Koehne, ramis glanduloso-hirtellis hispi- 

 dulisve, foliis saepe petiolatis , lanceolatis vel lineari-lanceo- 

 latis , glaberrimis laevibusve , racemo folioso , pedicellis 

 7—11 mm. longis, prophyllis subnullis, calycibus ut caulis 

 vestitis, 21 — 25 mm. longis, lobo dorsali magno, appendicibus 

 vix hirtellis, petalis 2 dorsalibus dimidio calyci aequalibus, 

 staminibus inclusis, ovario leviter gibbo. 



Sect. VI. HETERODON. 



Calycis nunquam coccinei, intus haud bicostati lobus dor- 

 salis maximus, praesertim post anthesin productus, ori immi- 

 nens; petala 6, raro 2; stamina semper 11 alterne inaequalia; 

 ovula 35 — 3. (Species unica boreali-americana , ceterae omnes 

 in republica mexicana endemicae). 



Subs. 1. LOPHOSTOMUM. 



Squamulae infra petala 2 dorsalia nullae vel subnullae. 



Series 1. Herbae annuae; staminum episepalorum duo 

 dorsalia medio valde barbata, summo apice glabra; petala 6; 

 calyx 5—12 mm. longus, breviter calcaratus; stylus ovarium 

 circiter aequans vel dimidio longior, glaber vel subglaber. 

 A. Petala subaequalia vel duo dorsalia ceteris paullo minora; inflores- 

 centia foliosa. 

 (114). C. angustifolia Jacq. hb. , caule inferne plerumque sim- 

 plici, apice pubescenti-hirtello saepeque hispido, foliis brevis- 

 sime petiolatis, basi obtusissimis, anguste lanceolatis lineari- 

 busve, sensim angu^tatis, papilloso-scaberrimis, interdum stri- 

 gosis et remote hispidulis, inferioribus 70 — 50 mm. longis, 

 bracteis gradatim minoribus , inflorescentia ramulis brevis- 

 simi8 composita, pedicellis l 1 /^— 5 mm. longis, calycibus 

 pubescenti-hirtellis viscidis , intus infra stamina biseriatim 

 villosis, 9 — 12 mm. longis, staminibus episepalis exsertis, 

 glandula crassa, stigmate parvo, ovulis 15 — 35. 

 (115). C. palustris Koehne, caule subflexuoso, ramoso, remote 

 breviterque hispidulo, apice hinc pubeiulo, foliis sessilibus, ob- 

 longis lanceolatisve, utrinque subacutis, glaberrimis vel remote 

 ciliolatis, subuninerviis, 12— 3 mm., pedicellis 1 — 2 mm. longis, 

 calycibus parce hispidulis , intus inter stamina 2 brevia ru- 

 gosis, versus basin pilosiusculis, 5—7 mm. longis, staminibus 

 episepalis lobos aequantibus , glandula complanata, deflexa, 

 stigmate magno, bilobo, ovulis 8. 



