586 PROCEEDINGS OF THE AMERICAN ACADEMY. 
Conzatti & Gonzdlez, no. 1225; San Juan del Estado, 1920 m. alt., 
Lucius C. Smith, no.407. Curavanva : near Batopilas, 2. .A. Goldman, 
no. 195. Durango: vicinity of city, #. Palmer, nos, 114 and 648, coll. 
of 1896. Vera Cruz: Orizaba, Botteri, nos. 590 and 431. Stars or 
Mexico without locality, Dr. J. Gregg, nos. 434 and 610. 
42. C. xylorrhiza, n. sp., perennis, investa pilis albis crispis simpli- 
ramosis, supra simplicibus rectis 1.5-2 dm. altis (gracilibus in speci- 
mine viso sed anni praecedentis caulibus ligneis grandis) ; foliis lan- 
ceolatis trinerviis 2-3 cm. longis, 2-3 mm. latis, apice acutis, basi 
obscure auriculatis ; floribus breve pedicellatis divaricatis in spicis bre- 
vibus confertis, bracteis floribus brevioribus similibus foliis ; calyce 2.5 
em. longo, basi ventricoso, laciniis bidentatis ; corolla 3.5 cm. longa, 
galea exserta 5-15 mm., dorso glandulari-pubescenti ; labio inferiore 
protuberanti acuminato-tridentato, sinubus inter dentes angustis cras- 
sis, similibus glandibus; stylo filiformi exserto, stigmate integro 
clavato; capsula oblonga, basi et apice acuminata, compressa, 1.5 cm. 
longa. —Coanvita: Sierra Encaruaciore, 28 July, 1896, #. W. Nelson, 
no. 3895 (type, in hb. Gray). This species is related to C. tenuiflora, 
differing in the peculiar pubescence, the habit of growth, and fewer- 
flowered more capitate spikes. 
C. scabridula, n. sp., suffruticosa scabriduli-puberulens yamosa. ° 
43. C. 
alta ; foliis lineari-lanceolatis apice acutis vel obtusis basi rotundatis 
vel rarissime auriculatis, trinerviis 2-3 cm. longis, 2-5 mm. latis; 
foliis floralibus latioribus et brevioribus ; floribus breve pedicellatis, 
junioribus in spicis capitatis, senioribus in racemis ; pedicellis filiform!- 
bus 3-5 mm. longis; bracteis supremis attenuatis apice coccinels; 
calyce basi obliquo tubuloso 3 cm. longo, in altitudinem postice 6 mm, 
antice 2 cm. fisso, segmentis acuminato-laciniatis glandulari-pubert- 
lentis, superiore parte coccinea, inferiore psittacina ; corollae galea 
exserta 15 mm., obtusa sed lateraliter emarginata, 2 cm. longa, apice 
2 mm. lata, basi 5 mm.; labio inferiore atro-rubro exserto et pre 
tuberanti 1 mm., laciniis lineari-acuminatis 1 mm. longis, exterioribus 
divaricatis, media incurvata, sinubus crassis ; stigmata fere exserto 
clavato; ovario ovato-acuminato. — DuRANGO: Tejamen, August, 1906, 
E. Palmer, no. 468 (type, in hb. Gray). Dr. Palmer notes this as 
one e showiest of plants, with flowers bright yellow and scarlet. 
It grows in compact masses on stony hills among other plants, but 
1s not common. The stems are brittle and the plant is not eaten by 
oe 
