295 296 



hi: Ifts 3-4" long, on petioles %-!%' les robust and has smaller hds and fls 



long: hds 3" hi; cor shorter than or than the common form. This was com- 



barely equaling the ex - , Roadside, pared with the description and figure in 



SBer Cal, Parish No. 2647. Bot Beech, p 330, T 79. T. microdon 



"Forms of the type approach this in has been reported from Santa Cruz 



habit, but the cor is conspicuously long- Island and collected on Santa Catalina 



er than the ex, as Orcutt's No. 1004 from by Mrs. Trask. As represented in the 



Tia Juana Lower California and Pal- Herbarium of the Academy, this species 



mer's No. 583 from Wickenberg, Ariz." is variable. The specimen most nearly 



Fernald, Zoe 4:380 (1894). liKe this is one from near Tennessee 



TRIFOLIUM INVOLUCRATUM Willd. Cove, Marin Co, Cal, collected by the 



s - Watson - 



TRIFOM MACRAE! H. * A. 



Brandegee, Zoe 1:113 Cat. 1-100 (1898). 



H & A, bot Misc 3:179 (1833). Bot TRIPOLIUM MINUTIPSiORUM Greene. 



Beechey 330. "Ann, very slender glabrous, the num 



Type localities: "Baths of Collina, branches decumbent, a few ' to almost 



Macrae. Sandy hills, near \alparaiso, a o long . lfts y to % . long> the lowest 



Mathews (n 174). Valparaiso, Cummg exactly linear, truncate or emarginate, 



(n 749). the others oblong-linear and abruptly 



Somewhat villous with appressed or acut ish, all somewhat serrately and very 



spreading hairs, erect, slender %-l hi: even i y denticulate: peduncles filiform, 



stipules ovate to lanceolate; lfts obovate muc h longer than the Ivs: hds not much 



to narrowly oblong obtuse or retuse more than 2 or 3" broad in fl; inv parted 



serrulate, about %' long: fls dark p 3" into e or 7 oblong entire lobes: ex-teeth 



long, in dense ovate long-peduncled hds: subulate-lanceolate, herbaceous almost 



ex very villous; the straight teeth as throughout: corollas moderately inflated 



long as pet, often tinged with p: pod j n ag e 



1-seeded. An ' interesting species, allied to T. 



Variety ALBOPTJRPURCT7M Greene. truncatum and T. hydrophilum, which 



Abrams, Fl LA 213. latter it agrees with in having the lfts 



Much branched, ascending or erect, 1-4 of its earliest Ivs narrower than those 



dm hi: stipules ovate to lanceolate: lfts of the later ones in which respect these 



cuneate-oblong obtuse, denticulate above two diffe r from all other West American 



the middle, 1 5-20 mm long: hds long- Covers. This one is of southern Cali- 



peduncled, ovate: ex-teeth longer than f0 rnia and Guadalupe Island. Mr. Or- 



the tube, slender, plumose, equaling the cut ? disti^ibuted it as "T, gracilentum." 



srn w-tipped p cor LA (Davidson). _ Gree ne, Pittonia 3:215 (1897). 



S| P a!^p A u r C pu r 4 eu m T & G, K, "^"JSSS*^ 



Kellogg Cal ac pr 5:54 (1873). 



TBirOIiIITM MICBODON H. & A. Trifolium multicaule Jones, Torr, cl b 



Hooker & Arnot, Bot Beech 330 t 79. 9:31 (1882). 



Type locality: "Valparaiso, Cuming "Involucraria, pygmaeum, parce vil- 



"n 747)." losulum, e radice exili (annua?) ramos- 



Resembling T. microcephalum: inv um; stipulis ovato-lanceolatis subfoli- 



broader, nearly enclosing the hd; its aceis integerrimis 3-5-nervatis cvspidato- 



lobes about 3-toothed: ex smooth, an- acuminatis; foliolis obovato-cuneatis 



gled; the teeth rigid, broadly triangular, nunc retusis mucronato-dentatis; pedun- 



acute, with a narrow scarious serrulate culo folium haud superante; involucro 



margin. SF; Wash. unifloro (rarius bifloro) fere diphyllo 



Torrey & Gray, Fl 1:691. calyce cylindraceo dimidio breviore; cor- 



"Glabrum, inferne decumbens, ram- o lla albopurpurascente elongata. Moist 



osum, foliis obcordatis acute serratis, bank by Soda Springs, Tuolumne river, 



stipulis ovatis acuminatis intergerrimis, (California) alt 8,700. A very distinct 



involucris striatis multifidis ovatis in- little species, only about an 



tegerrimis, involucris striatis multifidis hi the stem on branches ter- 



capitulo hemisphaerico parvo breviorri- minated by a ped of 3-9" in 



bus, laciniis lanceolatis acuminatis 3-4- length- lfts 2 or 3" long: cor %' long, 



fidis subspinulosis, calycis dentibus bre- twice or thrice the length of the ex (the 



vissimis trangulari-ovatis acutis ciliato- teeth of which are broadly lanceolate, 



serrulatis corolla brevionbus. Valpa- spinulose-pointed, and shorter than the 



raiso Cuming (n 747.) No species of tube), somewhat glandular on the elon- 



the beautiful tribe of mvolucrated Tn- e- a ted tube, not scarious or inflated 



folia is more distinct than the present. a f ter fl'ing: legume stipitate, two-seeded: 



The hds of fls are sm, though much i vs o f inv mostly two-cleft." Gray, Am 



larger than those of T. microcephalum." ac pr 6-523 (186*5) 



H & A, Bot Misc 3:180 (1833). TBIPOlilUM OBTUSIPIiOBUM Hooker. 



Variety PILOSUM Eastwood. Ann; sts stout, erect, flexuose, p, with 



"Entire plant, especially the young ascending branches; Ivs dull g, soft pub- 



parts, pilose with soft, w, curly hairs; escent throughout and very clammy, 



inv woolly both interiorly and exteriorly, acidulous; stipules spreading or reflexed; 



with teeth of divisions almost equal, en- lfts 2-3 cm long, linear-lanceolate, pec- 



tirely without the long middle tooth of tinately setulose; hds 2-3 cm broad on 



the typical form: ex viscid, but free long peds; ex-tube with 10 prominent 



from pubescence. The surfaces of the and as many lesser nerves; cor w'ish 



Ivs are sparsely pilose. The plant is with a dark p center. 



