2 
Enum. Pl. Guat. ii. p. 29= 2. guatemalense, Hemsl. infra. = Lhe 
Seem. Bot. Voy. Herald, p. 294; Hemsl. Biol. Cent . Bot 
561, quoad specimen a cl. Seemann lectum= Z, piatenomnne 
Hemsl. t. 2765. 
The following species belong to the Spinescentes and are similar t 
£. OS aie Presi, especially in having spinously lobed involucral 
brac 
E. guatemalense, Hems!. (sp. nov.). 
Herba robusta, neeaig ore pluripedalis, pay juxta gor atesGmez 
circiter 9 lin. diame Folia radicalia 1-2 ped. longa, absque spini 
usque ad 9 lin. lata, aes totam longitudinem regulariter spinosa ; spin: 
sepius 6-9 lin. longee, intervallis sepius 4-6 in. longis, basi spinula 
minuta ornate. Capitula numerosa, hemispherica, maxima 1} poll. 
diametro. Involucri bractee circiter 10, sat — integre, 
usque ad 1} poll. long. Palee flores parum exceden 
GUATEMALA : mountains near Hacienda de Chancol, at 11,000 feet, 
Nelson, 3654; San Rafael, Zacatepequez, at 6500 feet, Helmrich. 
E. stenolobum, Hemsi. (sp. nov.). 
Herba 3-4 pedalis, caule 3-4 lin. diametro, supra medium trifurco, 
ramis iterum trifurcis monocephalis. Folia angusta, fere linearia, 
: ane 
fere squalibus tenuibus | — os subglobosa, 9-12 
5, ineequales, anguste, maxim 13-2 poll. as seepius trifidee, lobis 
etl 
vel spinis lateralibus multo 5 yaonsaton ore ced 
a at non visa) ad a subset, emi squamis parvis. 
Vitte 6, quarum 3 commissurales. 
Mexico : Cuernay. Morelos, Rose & Hough, 4393. 
Bi op oops in United States Ne pilot Herbarium ; drawing of the same 
t Kew 
E. monocephalum, Cav. Jc. Pl. vi. t. 553, p. 35. 
Mexico: Sierra de Pachuca, Hidalgo, at 10,000 feet, Pringle, 8217. 
Specimen in the United States National Herbarium ; ‘drawi ing of the 
same at Kew. 
This ot ea is included, because several other species have 
been comments for 
saa related to Z. ca AN Be ‘Heuid ., differing in i narrower 
leaves, deflected involucral bracts, and relatively longer pales.— 
Botting HeEmstey. 
Fig. 1, a pale ; 2, a flower ; 3, a piers —— the commissural face ; 4, a petal ; 
5, eross section of a mericarp. Add enlarged 
