VEGETATION GROUPS OF THE DESERT LABORATORY DOMAIN. 109 
II]. Mkésa-LIKE MOUNTAIN SLOPES— 
Continued. 
HALF-SHRUBS. 
Baccharis wrightii Gray. 
Bebbia juncea (Benth.) Greene. 
Bigelowia hartwegii Gray (I-III) 
= Isocoma hartwegii (Gray) Greene. 
Muhlenbergia porteri Scribner (I-III). 
Panicum saccharatum Buckl. (1). 
Perezia nana Gray. 
Riddellia cooperi Gray 
= Psilostrophe cooperi (Gray) Greene. 
PERENNIAL HERBS. 
Allionia incarnata L,. 
= Wedelia incarnata (L.) Kuntze. 
Aplopappus australis (Greene) 
= Eriocarpum australe Greene. 
*Apodanthera undulata Gray. 
* Aristolochia sp. 
Bahia absinthifolia Benth. (I). 
Baileya multiradiata Harv. & Gray. 
Bouteloua rothrockii Vasey. 
Bouteloua trifida Thurb. (1). 
*Cucurbita digitata Gray. 
Dalea pogonathera Gray 
= Parosela pogonathera (Gray) Vail. 
Euphorbia sp. 
Franseria tenuifolia Gray (IIT) 
= Gertneria tenuifolia (Gray) Kuntze. 
Greenella arizonica Gray. 
Hymenatherum hartwegii Gray. 
*Martynia althezfolia Benth. (1). 
Pappophorum wrighti Wats. 
*Physalis lobata Torr. (III) 
=Quincula lobata (Torr.) Raf. 
Sida diffusa H. B. K. 
Sida hastata A. St. Hil. 
Sporobolus cryptandrus (Torr.) Gray, var. 
flexuosus Thurb. 
*Tetraclea coulteri Gray. 
Tragia ramosa Torr. 
Triodia pulchella H. B. K. (1). 
Euphorbia albomarginata T. & G. (III). 
BIENNIAL HERBS. 
Argemone intermedia Sweet. 
ANNUAL HERBS. 
Long-Lived Annuals. 
Aplopappus gracilis (Nutt.) Gray 
= Eriocarpum gracilis (Nutt.) Greene. 
Aster tanacetifolius H. B. K. (1) 
= Macheranthera tanacetifolia (H.B. 
K.) Nees. 
Atriplex texana Wats. (III) 
= Atriplex tuberculata (Torr.)Coulter. 
Atriplex elegans Dietr. 
Eriogonum abertianum Torr. (1). 
Eriogonum deflexum Torr. 
Eriogonum trichopodum Torr. 
Eriogonum nidularium Coville (?) 
Iva ambrosizfolia Gray (I). 
II. Mksa-LikE Mountrain SLopEs— 
Continued. 
ANNUAL HERBS. 
Winter Annuals. 
Actinolepis lanosa Gray (III). 
Amsinckia tessellata Gray. 
Astragalus nuttallianus DC. (1). 
Beeria gracilis (DC.) Gray (III). 
Calandrinia menziesii (Hook.) T. & G. 
Calyptridium monandrum Nutt. 
Cheenactis carphoclinia Gray. 
Cheenactis stevioides H. & A. 
Chorizanthe brevicornu Torr. (I). 
Chorizanthe rigida (Torr.) T. & G. 
Cryptanthe angustifolia (Torr.) Greene. 
Draba platycarpa T. & G. 
Eremiastrum bellidoides Gray. 
Eremocarya micrantha (Torr.) Greene. 
Eriogonum angulosum Benth. 
Eschscholtzia mexicana Greene (I). 
Evax multicaulis DC. 
Festuca octoflora Walt., subsp. hirtella 
Piper’ (1). 
Gaillardia arizonica Gray. 
Gilia filifolia Nutt., var. diffusa Gray (I). 
Gilia floccosa Gray (I). 
Gilia longiflora (Torr.) Don. 
Hosackia brachycarpa Benth. (I) 
= Lotus humistratus Greene. 
Hosackia humulis (Greene) 
= Lotus humulis Greene 
Lappula redowskii (Hornem) Greene, 
occidentalis (Wats.) Ryd. (1) 
=Lappula occidentalis(Wats.)Greene. 
Lappula texana (Scheele) Greene. 
Lepidium lasiocarpum Nutt. (I). 
Lesquerella gordoni (Gray) Wats. 
Loeflingia pusilla Curran. 
Lupinus concinnus Agardh. 
Malvastrum exile Gray (III). 
Mentzelia albicaulis Doug]. (I). 
Oenothera scapoidea Nutt., var. clave- 
formis (Torr.) Wats. 
=Chylisma scapoidea claveformis 
(Torr.) Small. 
Oenothera czespitosa Nutt. (?) 
= Pachylophus cespitosus 
Raimann. 
Orthocarpus purpurascens Benth., var. 
palmeri Gray. 
Pectocarya linearis (Ruiz & Pav.) DC. (I). 
Pectocarya penicillata (H. & A.) A. DC. (I). 
Phacelia arizonica Gray. 
Phacelia crenulata Torr. (I). 
Plagiobothrys arizonicus Greene. 
Plagiobothrys pringlei Greene. 
Plantago fastigiata Morris (1). 
Salvia columbariz Benth. 
Stephanomeria exigua Nutt. (I and III) 
= Ptiloria exigua (Nutt.) Greene. 
Stylocline micropoides Gray. 
Thelypodium lasiophyllum (H. & A.) 
Greene (1). 
(Nutt). 
