297 



Ordo CLXXIV. ERIOGONACEAE Wpn. 



(ERIOGONEAE Durnort. — Meisn. Gener. pl. vascul. I. 317. II. 229. — Wlprs. Annal. I. 

 58BL - POLYGONEARUM tribus I. ERIOGONEAE Endl. Gen. plant. p. 305. 8t.SuppL IV. n. 



1982. ERIOGOM7I L. C. hich. 



(L. C. Rich. in Michi. Flor. Bor. Americ. I. 246. tab. 24. — Endl. Gen. pl. Suppl. IV. II. 

 p. 44. 'Conspectus specierum.]) 



1. E. ATRORUBENS Engelm. Sktch. of the bot. of Wislic. exped. 24. adn. f — Perenne: 

 foIii3 radicalibus petiolatis lanceolatis elongatis villosis; caulis glabri glauci internodiis 

 superne tumidis clavatis: caule iteratira dichotorao, ad bifurcationes bracteis subulati3 

 pilosis instructas involucrucr alare elongato-pedicellatum gerente; inrolucris campa- 

 nulatis quinquedentatis, margine pilosis, multifloris. — Habitat in >*ova Mexic: 

 huiriachi). 



2. E. LI.NDHEIMERIANUM Scheele, Linnaea XXn. 149. f — Caulis herbaceus erectus 

 teres arachnoideo-tomentosus ramosus. Folia caulina subterna oblanceolata in petio- 

 Ium angustata integra apiculata, supra cinereo-, subtus albo - aracbnoideo - tomentosa. 

 Umbellae terrninafes dichotomae raultiflorae, radii alho-tomentosi. Ioflorescentia cen- 

 tripeta. Bracteae tres parrae ovatae albo - tomentosae. ad basin radiorum atque pe- 

 ducculorum. Pedunculi albo - tomentosi patentes involucro longiores. Involucrum 

 campanulatum albo - tomentosum 6-dentatum, 10— 12-florum, dentes brevissimi trans- 

 verse latiores obtusi. Flores in involucro pedicellati. — Crescit in Texade in prati3 

 arenosis ad flumen Guadeloupe superius. 



3. E. TEXANTM Scheele 1. c. 150. f — Caulis herbaceus solidus erectus teres striolatus 

 minnte puberulo-tomentosus. superne ramosus, inferne aphyllus, basi squamis elon- 

 gatis lanceolatis foliiformibus vestitus. Folia caulina alterna crassa lanceolata repanda. 

 basi in petiolum attenuata. supra obscura minute puberula, subtus cinereo-tomentosa, 

 fasciculi foliorum micorum in axillis. Petioli compressi basi dilatati. Paniculae rami 

 subfastigiati dicholomi, apice subracemosi. Rhachis ferrugineo - tomentosa. Bracteae 

 tres parvae ovatae ferrugineo-tomentosae ad basin pedunculi. Pedunculi patentes re- 

 moti ferrugineo-tomentosi involucrum superantes. rarius aequantes. Involucrum cara- 

 panulatum ferrugineo- tomentosum sub-octoflorum. Flores in involucro pedicellati. — 

 Crescit in Texade in regionibus altioribus prope >*eubraunfels. 



III. 38 



