and nearly hemispherical heads, and pappus oblong and with 

 conspicuous hyaline margins nearly to the top, where it is 

 (juickly contracted into a short awn. Oracle. Arizona. Aue. 

 2Sth. 1903. Tucson. Santa Rita Mts.. Xutt. New Mexico, and 

 an intermediate form at Colonia Juarez, Chihuahua, Mex. 



Laphamia scopulorum n. sp. 



Low shrub 4-5 inches high growing in the clefts of rocks, 

 the herbaceous stems 3-4 inches long, filiform, very leafv; 

 leaves all dissected pedately into minute ovate to linear 'seg- 

 ments, about 1 line Iong;\vhoIe plant short-strigose stems 

 Mghtly branched and terminated by single heads on a pedun- 

 cle scarcely longer than the leaves ; heads many flowered 3-4 

 ' e^veran t"*^ ''^''^^' °^ ''"^^'" ^^^^"'^^^^ate bracts ; rays white, 

 frW P'irv""t all 'overTLmzJ ]'ong,Zh^^^^^^ 

 mnge i his appears allied to L. Lemmoni. Colonia Juarez, 



Berlandiera macrophylla (Gray Syn. FI. 2 1 243 as lyrata 

 v.r> Ti.,. :. „ ^ ^^ species. It often has The heads nearly 



are intergrades everywhere. 

 Wootonia Greene is Die 

 Kigelovia graveolens va 



Guardiola Die^ilii n. sp. 



above Meavi'^T^'-i''^^"^ ^ ^°°^ ^'^^' cvmoselv branched 



and Smw- flowe' 4"*^' f '' «'''«<^-'i'>P^d. very short 



M«ico. August, 1903DJehl ''""'''" ^"'' Sorocco, New 

 Asclepias exilis n/sp. 



opposi°r!'short'pe*tio^^'o'neate'"^M' '"""'"°''" "hort; leaves 

 ■on., thick, .hole plant shonhtp„re:c°„t%''eduncfJ"t.- 



