

Lythraceae. IV. Lyttirum. Nr. 67—69. 323 



Fruticulus (an herba perennis?). Caules (23 — 40cm.) erecti v. sub- 

 ascendentes , 4anguli, ad angulos lineis prominulis notati, basi terelius- 

 culi, graciles; rami erecto-patuli gracillimi simplices , apice manifeste sub- 

 undulato-alali. — Folia internodiis breviora v. parum longiora (13— 5mm.: 

 6 — 2 1 / 2 mm., ramea 8 — 4 mm. lg.), sessilia, opposita v. superiora tantum 

 subopposita, e basi cordata oblonga v. ovalo-obl., acuta, subuninervia. Sti- 

 pulae utrinq. circ. 3 — 6. — Pedicelli vix 1mm. lg., basi proph. lan- 

 ceolata v. oblonga gerentes. — Calyx (4 — 5 mm.) tubulosus; append, 

 lobos aeq., oblongo- triangulares. — Petala ut in 66. — Ovarium late 

 oblongum. Stylus aut lobos aeq. (subanth.), aut ovarium 2 plum longitu- 

 dine aeq. v. paullo superans valde exsertus. Annulus ut in 66. — Cetera 

 ul in 64. 



Am. Mej. Morelia (Valladolid)! 



69 (18). L. laDCCOlaUm Ell. 1821, sketch 1. 544; DC. prod. 3. 82; Don. Mill. 

 2. 714; Spach hist. veg. 4. 420; Dietr. 3. 10. 



S> non. L. virgatum (non L.) Walt. 1788, fl. Car. 120; Poir. prt.! enc. 6. 452; Pursh 

 334 absq. synon. — L. satureifolium fl. Mex. ic. ined. sec. DC. 1. c. — L. Hyssopifolia 

 var. f virgultosum DC! 1828, prod. 3. 82. — L. alatum var. lanceolatum T.G. 1838/40, 

 4. 481; Wts. prt., pi. Wheeler 9; bibl. ind. 4. 361. — L. alatum Hk. prt.! 1840, fl. bor. 

 Am. 1.219. — L.hyssopifolium Curtis 1841, Bost. journ. nat. hist. 4. 121. — L. alatum var. 

 breviflorum A. Gr.! 4 846, Bost. journ. nat. hist. 6. 487; Wlp. ann. 2. 539, L. breviflorum Wts. 

 proc. Am. Ac. 4 2. 254; bibl. ind. 4. 362. — ?L./7a<7e/JflreShuttlew. hb. (cf. sub n. 66). 

 Icones. Koehne all. ined. t. 12. f. 69. 



Herba perennis. Caules (22 — 85 cm.) virgati stricti, demum lignes- 

 cenles, basi 4-, superne 5anguli , ad angulos anguste alati , ramosi ; rami 

 plerumq. simplices, suberecti strict i. raro subpatuli subascendentes. — Folia 

 internodiis mullo longiora, inferiora inlerd. ead. aeq. (4— 35mm.:1 — 10 mm.. 

 raro 45mm. :10 mm.) inferiora opposita, sequentia subopposita, super, in 

 spirali ( 2 / 5 ) disp., sessilia, e basi constanter cuneata v. acuta anguste oblonga v. 

 oblanceolata v. late linear ia, acuta v. brevissime acuminata, pi. m. erecta, 

 rigidula, obscure penninervia. Stip. utrinq. 1. — Flores in axillis solitarii; 

 pedicelli subnulli v. summum 2mm. lg., proph. linearia ad oblonga medio 

 v. apice, rarius paullo infra */ 2 gerentes. — Calyx (5 — 6 ] /2nim. append, 

 adjectis) anguste tubulosus; lobi brevissimi, cauda decidua, interd. extrin- 

 secus dente e nervo medio orto muniti; append, iisd. 2plo Igiores., lanceo- 

 lato-subulatae , erectiusculae. — Petala obovata v. fere cuneato- oblonga, 

 calycem circ. aeq., purpureo-violacea. — Stamina in fl. dolichostylis 

 appendices subaeq. tribus profundius insertis paullo brevioribus, in fl. bra- 

 chyst. longe exserta. — Ovarium anguste oblongum, calycis ^ aec I- Sty- 

 lus aut valde exsertus (circ. 4 mm.), aut lobos vix aeq. v. raro paullo 

 superans. Annulus latus (multo latior quam in 65 — 68), latitudine ad ven- 

 trem diametrum dimidiam, ad dorsum diam. totam aequante, in sicco nigro- 

 violaceus; ovarium supra annulum sessile (non, ut in 72, supra eund. 

 breviss. stipitatum). — Capsula calycis % v - paene totum implens. 



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