48 



419 Cladothi-ix lauugiiiosa Nutt. " Pecos Flatw," iiciir Pocos City. 



420. Gomphiena nitida liotlnock. Corpus Claristi. Witli ro8«-tintcd beiids. 



421. Froelichia Floridana Moii. I'eiui (])nval conuty). 



422. Prcelichia gracilis JNIuq. l'*'n:i (Duval county). 



423. Iresine alternifolia W;itHon, var. Texana tloultor, n. rar. Leaves Huiall, 



ovate to lauceolato, 12 to 2o""" long, tavcring to a alioit potiol**.— Chcnato 

 llouiitains (Presidio county). TUi« seoms clearly the sanjc .species as that 

 (lescribeil by Dr. Watson tVoni the niouutaius about Uuaynuis, Mexico, col- 

 lected by Dr. L'aliiujr. It hccius lianlly necessary to set up a now species on 

 leaf characters, especially when the leaves of the species are very variable. 

 Apparently tiie only alternate-leaved Iresine. 



424. Atriplex canescens James. Pecos Flats, near I'ccos City. 



425. Salicoruia ambigvia ilichx. Pecos Flats, near Pecos City. 



426. Suceda suffrutesceiis Watson. Pecos Flats, near Pecos City. 



427. Riviua laevis L. I'ena (Duval county). 



428. Eriogonum Abertianum Torr. Camp Charlotte (Ixiou county), 



429. Eriogonum annuum Nutt. Near Pecos City (Pecos county). 



430. Eriogonum Havardi Watson. Camp Charlotte (Ixion county). Abundant 



Hpcciniens of a very rare au<l iiiterestins species. 



431. Eriogonum Jamesii Hcnth. Limpia canon (Presidio county). • 



432. Eriogonum longifolium Nutt. Pena (Duval county). 



433. Eriogonum Nealleyi Coulter, n. sp., ^ Ganysma : P.'.reunial, the woody cau- 



ilex branched and leafy: the h)osely brauchin<; (Kphedra-like) stems, as 

 well as the pedicids an<l Uowers, j,dabrousand loatless: leaves all at or near 

 the base, more or less broadly spatulato, tapering into a long petiole, villous 

 pubescent on both surfaces, r, to 7.5<='" long (including the petiole) : invo- 

 lucres few and loug-pednnculate : ilowers greenish, occasionally with a pink- 

 iah tint : sepals lanceolate to ovate, acute or obtuse, the inner ones usually 

 shorter and broader.— Near Pecos City (Pecos county). A species nearly 

 related to i'. ciliataM Torr. and E. atroriihem Engeltn., both of northern 

 Mexico. Itdillers from £. ciliatnm in its completely villous leaves and 

 green tlowcrs ; from E. atrorubens in both these characters as well as the 

 shape of the leaves; aud from both in that the leaves are not all radical. 



434. Eriogonum tenellum Torr. Pena (Duval county). 



435. Eriogonum tenellum Torr., var. caulesceus Torr. & Gray. I'ena (Duval 



county). 



436. Eriogonum Wrightii Torr. Chenato Mountains (Presidio county). 



437. Riunex Berlaudieri Meisn. Bra/.os Santiago. 



438. Euphorbia acuta Eiigehn. Pecos City (Pecos county). 



439. Euphorbia albomarginata Torr. & Gray. Kio Grande City (Starr county), 



and Limpia canon (Presidio county). 



440. Euphorbia campestris Cliam. A. Schlecht. Limpia canon (Presidio county). 



441. Euphorbia chamaesula Jioiss. Chen ate Mountains (Presidio connty). 



442. Euphorbia commutata Engelm. Brazos Santiago. 



443. Euphorbia Fendleri Torr. A, Gray. Pena (Duval county). 



444. Euphorbia lata Engolni. Ballingor (Runnels connty), and Camp Charlotte 



(Ixion county). 



445. Euphorbia margiuata Pursh. Ballinger (Runnels county). 



446. Euphorbia montana Fugelm. Limpia canon (Presidio county). 



447. Euphorbia polycarpa Benth. liio Grande City (Starr county), and Chenato 



Mountains (Presidio county). 



448. Eupharbia polycarpa B<'.nth., var. vestita Watson. Chenate Mountains (Pre- 



sidio county). 



449. Euphorbia Vaseyi Coulter, n. sp., ^ Tricherostigma : A shrub with straight 



branches, glabrous or the young branches pubcruleut : leaves minutely puber- 

 uleut or glabrato, fascicled upon much reduced wart-like villouB braucUlets 



