276 EOTANY OF THE VOYAGE OF H.M.S. HERALD. 
96. Ceanothus azureas, Desf., De Cand. Prodr. vol. ii. p. 31. Sierra Madre. 
A common slirub in the monntainoua districts of Kexico, varying considerably in the size of its leaves, 
and the density and colour of their tomentum. It has been found at Tolucan (Andrieux no 471 !), where 
it is vernacularly termed " Palocolorado; ' Real del Monte (Coulter, no. 14 !), Zmapan (Coulter, no. lo !) 
Tepic (Lay!), Oaxaca (Galeotti, nos. 1030 and 1031!),.city of Mexico (Parkinson!), between Oaxaca and 
La Sierra (Hartweg, no. 451!), Southern Mexico (Lmdeu, no. 204!). 
97. Ceanothus bu^ifolius, Willd., De Cand. Prod. vol. ii. p. 32. Sierra Madre, in forests j 
Veracruz (Herb. Hook.). 
EUPHORBIACEiE. 
[Auctore F. Klotzsch) 
Tribus I. Etjphoebie^, BartUntf. 
Ettphoebia, Linn., Gen. Plant, n. G9. 
Sectio 1. {vide suj^ra, p. 99.) 
98. Euphorbia dioica, Humb. Bonpl. et Kth. Nov. Gen. vol. ii. p. 43. Cliihualma (Potts !). 
99. Euphorbia i>«my?or«, Linn. Sp. 3514. Chihuahua (Potts !). 
100. Euphorbia hypericifolia, Linn., var. mamJata, Klotzsch ; foliis macula atro-purpurea in- 
structis. Chihuahua (Potts !) . 
101. Euphorbia glaberrima, Klotzsch (sp. nov.) ; fruticulosa, decumbens, ramosissima, glabra; 
ramulis tcretibus articuTatis dense foliosis; foliis oppositis minutis carnosis oblique elhpticis mtegcr- 
limis, utrinque Ic.iter emarginatis v. obtusis v. brevissime acutis, l^te viridibus ant sanguinolentis ; 
stipulis iiitrapctiolai-ibus ovatis subpersisteutibus carnosis minimis, apice paucidentatis rubicundis ; 
involucris in apice ramulorum axillaribus terminalibusque bre\ipediccUatis campanulatis quadnglan- 
dulosis; glaiidulis proccssibus mcmbranaceis orbiculatis purpureis roseis aut candidis suffultis ; stig- 
matibus tribus bipartitis rccurvis; capsulis dcprcsso-triaugularibus, glabris. Sierra Madre. 
A decumbent shrub, six inches to one foot long. Leaves distinctly petiolated, varying gi-eatly in size, 
form, and colour ; they are from 2-4 lines long, and from 1-2 lines broad. 
Sectio VI. ExsTiPTJLATiE, Beeper, Enmieratio Euplorhiac, p. 59. 
102. Euphorbia Seemanni, Klotzsch (sp. nov.); suflruticosa, glabra; caule tereti erccto versus 
apicem ramoso; foliis glaucescentibus intcgcrrimis acutis, eaulinis alternis oblongo-linearibus ; verti- 
cillo quinqueradiatio, foliolis lanceolatis sessilibus brevioribus ; foliis floralibus oppositis, tcrnis aut 
quatcrnis, brevissimisellipticisacutissimis; involucris turbinatis glabris quadriglandulosis, glanduUs 
in^qualibus 2-3-dentatis, majore 5.dcntata; stigmatibus ercctis leviter bifidis; germine glabro; cap- 
sulis Sien-a !Madre. 
AUied in habit to Euphorhia campestris, Cham, et Schlecht., but easily distinguished from that species 
by its larger leaves, the form of the glands, and the erect, slightly divided stigmas. E. Seemanni is an 
erect, suffruticose plant, with leaves from 2-2^ inches long, and 2-5 lines broad. 
